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91510hkim 20100823-s00001 no.a1828-1/25 http://onsemi.com semiconductor components industries, llc, 2013 may, 2013 ver.1.00 lc87f0808a overview the lc87f0808a is an 8-bit microcomputer that, centered around a cpu running at a minimum bus cycle time of 50.0ns, integrates on a single chip a number of hard ware features such as 8k-byte flash rom (on-board- programmable), 256-byte ram, an on-chip-debugger, sophisticated 16-bit timers/counters (may be divided into 8-bit timers), a 16-bit timer/counter (may be divided into 8-bit timers/counters or 8-bit pwms), two 8-bit timers with a prescaler, a base timer serving as a time-of-day clock, a high-speed clock counter, a synchronous sio interface, an asynchronous/synchronous sio inte rface, a uart interface (full duplex), motor contro l pwm , a 10/8-bit 10- channel ad converter, a system clock frequency divider, an internal reset and a 21-source 10-vector interrupt feature. this microcomputer is suitable for small motor control equipment. features ? flash rom ? capable of on-board-programming with wide range (3.3 to 5.5v) of voltage source. ? block-erasable in 128 byte units ? writable in 2-byte units ? 8192 8 bits ? ram ? 256 9 bits ? minimum bus cycle ? 50.0ns (20mhz at v dd =3.3v to 5.5v) note: the bus cycle time here refers to the rom read speed. ordering number : ena1828 ordering number : ena1951 ordering number : ena1828 cmos ic 8k-byte from and 256-byte ram integrated 8-bit 1-chip microcontroller * this product is licensed from silicon storage technology, inc. (usa).
lc87f0808a no.a1828-2/25 ? ports ? normal withstand voltage i/o ports ports i/o direction can be designated in 1-bit units 20 (p1n, p20, p21, p30 to p35, p70 to p73) ports i/o direction can be designated in 4-bit units 8 (p0n) ? dedicated oscillator ports/input ports 2 (cf1/xt1, cf2/xt2) ? reset pin 1 ( res ) ? on-chip debugger pin 1 (owp0) ? power pins 4 (v ss 1, v ss 2, v dd 1, v dd 2) ? timers ? timer 0: 16-bit timer/counter with a capture register. mode 0: 8-bit timer with an 8-bit programmab le prescaler (with an 8-bit capture register) 2 channels mode 1: 8-bit timer with an 8-bit programmable prescaler (with an 8-bit capture register) + 8-bit counter (with an 8-bit capture register) mode 2: 16-bit timer with an 8-bit programma ble prescaler (with a 16-bit capture register) mode 3: 16-bit counter (with a 16-bit capture register) ? timer 1: 16-bit timer/counter that supports pwm/toggle outputs mode 0: 8-bit timer with an 8-bit prescal er (with toggle out puts) + 8-bit timer/ counter with an 8-bit pres caler (with toggle outputs) mode 1: 8-bit pwm with an 8-bit prescaler 2 channels mode 2: 16-bit timer/counter with an 8-bit prescaler (with toggle outputs) (toggle outputs also possible from the lower-order 8 bits) mode 3: 16-bit timer with an 8-bit prescaler (with toggle outputs) (the lower-order 8 bits can be used as pwm) ? timer 6: 8-bit timer with a 6-bit prescaler (with toggle outputs) ? timer 7: 8-bit timer with a 6-bit prescaler (with toggle outputs) ? base timer 1) the clock is selectable from the subclock (32.768khz crystal oscillation), system clock, and timer 0 prescaler output. 2) interrupts are programmable in 5 different time schemes 3) the base timer is unavailable when the cf oscillator circuit is selected ? sio ? sio0: 8-bit synchronous serial interface 1) lsb first/msb first mode selectable 2) built-in 8-bit baudrate generator (maximum transfer clock cycle=4/3tcyc) ? sio1: 8-bit asynchronous/synchronous serial interface mode 0: synchronous 8-bit serial i/o (2- or 3-wire configuration, 2 to 512 tcyc transfer clocks) mode 1: asynchronous serial i/o (half-duplex, 8 data bits, 1 stop bit, 8 to 2048 tcyc baudrates) mode 2: bus mode 1 (start bit, 8 data bits, 2 to 512 tcyc transfer clocks) mode 3: bus mode 2 (start detect, 8 data bits, stop detect) ? uart ? full duplex ? 7/8/9 bit data bits selectable ? 1 stop bit (2 bits in continuous data transmission) ? built-in baudrate generator ? ad converter: 10 bits/8 bits 10 channels (internal: 2 channels) ? 10/8 bits ad converter resolution selectable ? auto start function (it links an interrupt factor of mcpwm)
lc87f0808a no.a1828-3/25 ? remote control receiver circuit (sharing pins with p73, int3, and t0in) ? noise rejection function (noise filter time constant selectable from 1 tcyc/32 tcyc/128 tcyc) ? clock output function ? can generate clock outputs with a frequency of 1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64 of the source clock selected as the system clock. ? can generate the source clock for the subclock ? analog comparator / amplifier 2 channels ? analog comparator / amplifie r selectable (each channel) ? analog comparator interrupt ? mcpwm: motor control 12-bit pwm 6 channels ? dead time is programmable. ? forced stop is possible by the output of th e analog comparator and the int terminals. ? edge-aligned / center-aligned selectable ? watchdog timer ? can generate the internal reset signal on a timer overflow monitored by the wdt-dedicated low-speed rc oscillation clock (30khz). ? allows selection of continue, stop, or hold mode operation of the counter on entry into the halt/hold mode. ? interrupts ? 21 sources, 10 vector addresses 1) provides three levels (low (l), high (h), and highest (x )) of multiplex interrupt control. any interrupt requests of the level equal to or lower than th e current interrupt are not accepted. 2) when interrupt requests to two or more vector addresses occur at the same time, the interrupt of the highest level takes precedence over the other interrupts. for interrupts of the same level, the interrupt into the smallest vector address takes precedence. no. vector address level interrupt source 1 00003h x or l int0 2 0000bh x or l int1 3 00013h h or l int2/t0l/int4 4 0001bh h or l int3/base timer 5 00023h h or l t0h 6 0002bh h or l t1l/t1h 7 00033h h or l sio0/uart1 receive 8 0003bh h or l sio1/uart1 transmit/mcpwm 9 00043h h or l adc/t6/t7 10 0004bh h or l port 0/cmp1/cmp2 ? priority levels x > h > l ? of interrupts of the same level, the one with the smallest vector address takes precedence. ? subroutine stack levels: 128levels (the stack is allocated in ram.) ? high-speed multiplication/division instructions ? 16 bits 8 bits (5 tcyc execution time) ? 24 bits 16 bits (12 tcyc execution time) ? 16 bits 8 bits (8 tcyc execution time) ? 24 bits 16 bits (12 tcyc execution time)
lc87f0808a no.a1828-4/25 ? oscillation circuits ? internal oscillation circuits medium-speed rc oscillation circuit: for system clock (1mhz) high-speed rc oscillation circuit: for system clock (20mhz) low-speed rc oscillation circuit: for watch dog timer (30khz) ? external oscillation circuits hi-speed cf oscillation circuit: for system clock, with internal rf low speed crystal oscillation circuit: for low- speed system clock, with internal rf 1) the cf and crystal oscillation circuits share the same pins. the active circuit is selected under program control. 2) the cf and the crystal oscillation circuits stop operatin g in the system reset state and start oscillating when the oscillation is enabled with an instruction. ? system clock divider function ? can run on low current. ? the minimum instruction cycle selectable from 150ns, 300ns, 600ns, 1.2 s, 2.4 s, 4.8 s, 9.6 s, 19.2 s and 38.4 s (at a main clock rate of 20mhz). ? internal reset function ? power-on reset (por) function 1) por reset is generated only at power-on time. 2) the por release level can be selected from 8 levels (1.67v, 1.97v, 2.07v, 2.37v, 2.57v, 2.87v, 3.86v and 4.35v) through option configuration. ? low-voltage detection reset (lvd) function 1) lvd and por functions are combined to generate resets when power is turned on and when power voltage falls below a certain level. 2) the use/disuse of the lvd function and the low voltage threshold level (7 levels: 1.91v, 2.01v, 2.31v, 2.51v, 2.81v, 3.79v, 4.28v). ? standby function ? halt mode: halts instruction execution while allowing the peripheral circuits to continue operation. 1) oscillation is not halted automatically. 2) there are three ways of resetting the halt mode. (1) setting the reset pin to the low level (2) system resetting by watchdog timer or low-voltage detection (3) occurrence of an interrupt ? hold mode: suspends instruction execution and the operation of the peripheral circuits. 1) the cf, rc and crystal oscillators automatically stop operation. 2) there are four ways of resetting the hold mode. (1) setting the reset pin to the lower level. (2) system resetting by watchdog timer or low-voltage detection (3) having an interrupt source establishe d at either int0, int1, int2 or int4 * int0 and int1 hold mode reset is available only when level detection is set. (4) having an interrupt source established at port 0. ? x'tal hold mode: suspends instruction execution and the opera tion of the peripheral circu its except the base timer. 1) the cf and rc oscillator automatically stop operation. 2) the state of crystal oscillation established wh en the x'tal hold mode is entered is retained. 3) there are five ways of resetting the x'tal hold mode. (1) setting the reset pin to the low level. (2) system resetting by watchdog timer or low-voltage detection. (3) having an interrupt source establishe d at either int0, int1, int2 or int4 * int0 and int1 hold mode reset is available only when level detection is set. (4) having an interrupt source established at port 0. (5) having an interrupt source established in the base timer circuit. note: available only when x?tal oscillation is selected.
lc87f0808a no.a1828-5/25 ? on-chip debugger ? supports software debugging with the ic mounted on the target board. ? data security function (flash versions only) ? protects the program data stored in flash memory from unauthorized read or copy. note: this data security function does not necessarily provide absolute data security. ? package form ? qfp36 (7 7): lead-/halogen-free type ? development tools ? on-chip debugger: tcb87 type c + lc87f0808a ? programming boards package programming boards qfp36(7 7) W87F24Q ? flash rom programmer maker model supported version device flash support group, inc. (fsg) single programmer af9709/af9709b/af9709c (including ando electric co., ltd. models) rev 03.28 or later 87f008su (3b247) gang programmer af9723/af9723b(main body) (including ando electric co., ltd. models) - - af9833(unit) (including ando electric co., ltd. models) - - our company single/gang programmer skk/skk type b (sanyofws) application version 1.06 or later chip data version 2.26 or later lc87f0808 gang programmer skk-4g (sanyofws) in-circuit/gang programmer skk-dbg type c (sanyofws) application version 1.06 or later chip data version 2.31 or later for information about af-series: flash support group, inc. tel: +81-53-459-1050 e-mail: sales@j-fsg.co.jp
lc87f0808a no.a1828-6/25 package dimensions unit : mm (typ) 3162c pin assignment qfp36 (7 7) ?lead-/halogen-free type? 0.1 1.7max 0.3 0.65 (0.9) (1.5) sanyo : qfp36(7x7) 19 10 18 19 27 28 36 9.0 0.5 7.0 9.0 7.0 0.15 p73/int3/t0hcp/t0in res owp0 v ss 1 cf1/xt1 cf2/xt2 v dd 1 p30/pulsg0 p31/pulsg0 lc87f0808a p03/an3 p02/an2 p01/an1 p00/an0 v ss 2 v dd 2 p17/t1pwmh/urx/cmp2o p16/t1pwml/utx/cmp2ia p15/sck1/cmp2ib 1 2 3 4 5 6 7 8 9 27 26 25 24 23 22 21 20 19 p04/an4 p05/an5/cko p06/an6/t6o p07/an7/t7o p20/int4 p21/int4/buz p70/int0/t0lcp p71/int1/t0hcp p72/int2/t0lcp/t0in 18 17 16 15 14 13 12 11 10 p14/si1/sb1/cmp1o p13/so1/cmp1ia p12/sck0/cmp1ib p11/si0/sb0 p10/so0 p35/pulsg2 p34/pulsg2 p33/pulsg1 p32/pulsg1 28 29 30 31 32 33 34 35 36 top view
lc87f0808a no.a1828-7/25 qfp36 name qfp36 name 1 p73/int3/t0hcp/t0in 19 p15/sck1/cmp2ib(+) 2 res 20 p16/t1pwml/utx/cmp2ia(-) 3 owp0 21 p17/t1pwmh/urx/cmp2o 4 v ss 1 22 v dd 2 5 cf1/xt1 23 v ss 2 6 cf2/xt2 24 p00/an0 7 v dd 1 25 p01/an1 8 p30/pulsg0 26 p02/an2 9 p31/ pulsg0 27 p03/an3 10 p32/pulsg1 28 p04/an4 11 p33/ pulsg1 29 p05/an5/cko 12 p34/pulsg2 30 p06/an6/t6o 13 p35/ pulsg2 31 p07/an7/t7o 14 p10/so0 32 p20/int4 15 p11/si0/sb0 33 p21/int4/buz 16 p12/sck0/cmp1ib(+) 34 p70/int0/t0lcp 17 p13/so1/cmp1ia(-) 35 p71/int1/t0hcp 18 p14/si1/sb1/cmp1o 36 p72/int2/t0lcp/t0in
lc87f0808a no.a1828-8/25 system block diagram interrupt control standby control ir pla bus interface port 0 port 1 sio0 sio1 timer 0 timer 1 port 3 port 7 adc alu flash rom pc acc b register c register psw rar ram stack pointer mcpwm base timer timer 6 int0-2 int3 (noise filter) timer 7 on-chip debugger uart1 clock generator cf/ x'tal rc mrc port 2/int4 reset control reset circuit (lvd/por) wdt res
lc87f0808a no.a1828-9/25 pin description pin name i/o description option v ss 1,v ss 2 - - power supply pins no v dd 1, v dd 2 - + power supply pins no port 0 i/o ? 8-bit i/o port ? i/o specifiable in 4-bit units ? pull-up resistors can be turned on and off in 4-bit units. ? hold reset input ? port 0 interrupt input ? pin functions p05: system clock output p06: timer 6 toggle output p07: timer 7 toggle output p00 (an0) to p07 (an7): ad converter input yes p00 to p07 port 1 i/o ? 8-bit i/o port ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1-bit units. ? pin functions p10: sio0 data output p14: sio1 data input / bus i/o p11: sio0 data input/bus i/o p15: sio1 clock i/o p12: sio0 clock i/o p16: timer 1 pwml output / uart transmit p13: sio1 data output p17: ti mer 1 pwmh output / uart receive p12 to p17: analog comparator / amplifier i/o pins p12: cmp1(+) inpu t / amp1(+) input p13: cmp1(-) input / amp1(-) input p14: cmp1 output / amp1 output p15: cmp2(+) inpu t / amp2(+) input p16: cmp2(-) input / amp2(-) input p17: cmp2 output / amp2 output yes p10 to p17 port 2 i/o ? 2-bit i/o port ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1-bit units. ? pin functions p21: beeper output p20 to p21: int4 input/hold reset input/timer 1 event in put/timer 0l capture input/ timer 0h capture input interrupt acknowledge types yes p20 to p21 rising falling rising & falling h level l level int4 enable enable enable disable disable port 3 i/o ? 6-bit i/o port ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1-bit units. ? pin functions p30 to p35 : motor control pwm output pins p30: pulsg0 output p31: pulsg0 output p32: pulsg1 output p33: pulsg1 output p34: pulsg2 output p35: pulsg2 output yes p30 to p35 continued on next page.
lc87f0808a no.a1828-10/25 continued from preceding page. pin name i/o description option port 7 i/o ? 4-bit i/o port ? i/o specifiable in 1-bit units ? pull-up resistors can be turned on and off in 1-bit units. ? pin functions p70: int0 input/hold reset input/timer 0l capture input p71: int1 input/hold reset input/timer 0h capture input p72: int2 input/hold reset input/timer 0 event input / timer 0l capture input p73: int3 input (with nois e filter)/ timer 0 event input/timer 0h capture input interrupt acknowledge types no p70 to p73 rising falling rising & falling h level l level int0 enable enable disable enable enable int1 enable enable disable enable enable int2 enable enable enable disable disable int3 enable enable enable disable disable owp0 i/o on-chip debugger (exclusive pin) no res i/o external reset input/internal reset output no cf1/xt1 i ? ceramic resonator or 32.768khz crystal oscillator input pin ? pin function general-purpose input port no cf2/xt2 i/o ? ceramic resonator or 32.768khz crystal oscillator output pin ? pin function general-purpose input port no port output types the table below lists the types of port outputs and the presence/absence of a pull-up resistor. data can be read into any input port even if it is in the output mode. port name option selected in units of option type output type pull-up resistor p00 to p07 1 bit 1 cmos programmable (note 1) 2 nch-open drain no p10 to p17 1 bit 1 cmos programmable 2 nch-open drain programmable p20 to p21 1 bit 1 cmos programmable 2 nch-open drain programmable p30 to p35 1 bit 1 cmos programmable 2 nch-open drain programmable p70 to p73 - no cmos programmable note 1: the control of the presence or absence of the programmable pull-up resistors for port 0 and the switching between low-and high-impedance pull-up connection is ex ercised in nibble (4-bit) units (p00 to 03 or p04 to 07).
lc87f0808a no.a1828-11/25 user option table option name option to be applied on flash-rom version option selected in units of option selection port output type p00 to p07 ? 1 bit cmos nch-open drain p10 to p17 ? 1 bit cmos nch-open drain p20 to p21 ? 1 bit cmos nch-open drain p30 to p35 ? 1 bit cmos nch-open drain program start address - ? - 00000h 01e00h protect area (note 1) - ? - 00000h to 01bffh 01c00h to 01effh low-voltage detection reset function detect function ? - enable: use disable: not used detect level ? - 7-level power-on reset function power-on reset level ? - 8-level (note 1) this option selects the area to be write protected at the time of the on-board writing. recommended unused pin connections port name recommended unused pin connections board software p00 to p07 open output low p10 to p17 open output low p20 to p21 open output low p30 to p35 open output low p70 to p73 open output low cf1/xt1 pulled low with a 100k resistor or less general-purpose input port cf2/xt2 pulled low with a 100k resistor or less general-purpose input port on-chip debugger pin connection requirements owp0 of the on-chip-debugger terminal must add pull-down resistor of 100k . the connection with tcb87 type c are owp0/v dd /v ss note: be sure to electrically short-circuit between the v ss 1 and v ss 2 pins and between the v dd 1 and v dd 2 pins.
lc87f0808a no.a1828-12/25 absolute maximum ratings at ta = 25 c, v ss 1 = v ss 2 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit maximum supply voltage v dd max v dd 1 -0.3 +6.5 v input voltage v i cf1 -0.3 v dd +0.3 input/output voltage v io cf2 ports 0, 1, 2, 3 port 7 -0.3 v dd +0.3 high level output current peak output current ioph(1) ports 0, 1, 2, 3 cmos output select per 1 applicable pin -10 ma ioph(2) port7 per 1 applicable pin -5 mean output current (note 1-1) iomh(1) ports 0, 1, 2, 3 cmos output select per 1 applicable pin -7.5 iomh(2) port7 per 1 applicable pin -3 total output current ioah(1) ports 0, 2, 7 total of all applicable pins -25 ioah(2) ports 1, 3 total of all applicable pins -25 low level output current peak output current iopl(1) p02 to p07 ports 1, 2, 3 per 1 applicable pin 20 iopl(2) p00, p01 per 1 applicable pin 30 iopl(3) port 7 per 1 applicable pin 10 mean output current (note 1-1) ioml(1) p02 to p07 ports 1, 2, 3 per 1 applicable pin 15 ioml(2) p00, p01 per 1 applicable pin 20 ioml(3) port 7 per 1 applicable pin 7.5 total output current ioal(1) ports 0, 2, 7 total of all applicable pins 45 ioal(2) ports 1, 3 total of all applicable pins 45 power dissipation pd max(1) qfp36(7 7) ta=-40 to +85 c package only 115 mw pd max(2) ta=-40 to +85 c package with thermal resistance board (note 1-2) 244 operating ambient temperature topr -40 +85 c storage ambient temperature tstg -55 +125 note 1-1: the mean output current is a mean value measured over 100ms. note 1-2: semi standards ther mal resistance board (size: 76.1 114.3 1.6tmm, glass epoxy) is used. stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended oper ating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliabili ty.
lc87f0808a no.a1828-13/25 allowable operating conditions at ta = -40 c to +85 c, v ss 1 = v ss 2 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit operating supply voltage v dd v dd 1, v dd 2 0.142 s tcyc 200 s 3.3 5.5 v memory sustaining supply voltage vhd v dd 1, v dd 2 ram and register contents sustained in hold mode. 2.0 high level input voltage v ih (1) ports 1, 2, 3, 7 3.3 to 5.5 0.3v dd +0.7 v dd v ih (2) ports 0 3.3 to 5.5 0.3v dd +0.7 v dd v ih (3) cf1, cf2, res 3.3 to 5.5 0.75v dd v dd low level input voltage v il (1) ports 1, 2, 3, 7 4.0 to 5.5 v ss 0.1v dd +0.4 3.3 to 4.0 v ss 0.2v dd v il (2) ports 0 4.0 to 5.5 v ss 0.15v dd +0.4 3.3 to 4.0 v ss 0.2v dd v il (3) cf1, cf2, res 3.3 to 5.5 v ss 0.25v dd instruction cycle time (note 2-1) tcyc 3.3 to 5.5 0.142 200 s external system clock frequency fexcf cf1 ? cf2 pin open ? system clock frequency division ratio=1/1 ? external system clock duty=50 5% 3.3 to 5.5 0.1 20 mhz oscillation frequency range (note 2-2) fmcf(1) cf1, cf2 20mhz ceramic oscillation see fig. 1. 3.3 to 5.5 20 fmcf(2) cf1, cf2 10mhz ceramic oscillation see fig. 1. 3.3 to 5.5 10 fmcf(3) cf1, cf2 4mhz ceramic oscillation see fig. 1. 3.3 to 5.5 4 fmmrc internal high-speed rc oscillation. 1/2 frequency division ration. (rcctd=0) (note 2-3) 3.3 to 5.5 19.0 20.0 21.0 fmrc internal medium-speed rc oscillation 3.3 to 5.5 0.5 1.0 2.0 fmsrc internal low-speed rc oscillation 3.3 to 5.5 15 30 60 khz fsx?tal xt1, xt2 32.768khz crystal oscillation see fig. 1. 3.3 to 5.5 32.768 note 2-1: relationship between tcyc and oscillation frequency is 3/fmcf at a division ratio of 1/1 and 6/fmcf at a division ratio of 1/2. note 2-2: see tables 1 and 2 for the oscillation constants. note 2-3: when switching the system clock, allow an oscillation stabilization time of 100 s or longer after the high-speed rc oscillator circuit transmits from th e "oscillation stopped" to "oscillation enabled" state.
lc87f0808a no.a1828-14/25 electrical characteristics at ta = -40 c to +85 c, v ss 1 = v ss 2 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit high level input current i ih (1) ports 0, 1, 2, 3 port 7 res output disabled pull-up resistor off v in =v dd (including output tr's off leakage current) 3.3 to 5.5 1 a i ih (2) cf1, cf2 v in =v dd 3.3 to 5.5 15 low level input current i il (1) ports 0, 1, 2, 3 port 7 res output disabled pull-up resistor off v in =v ss (including output tr's off leakage current) 3.3 to 5.5 -1 i il (2) cf1, cf2 v in =v ss 3.3 to 5.5 -15 high level output voltage v oh (1) ports 0, 1, 2, 7 i oh =-1ma 4.5 to 5.5 v dd -1 v v oh (2) i oh =-0.35ma 3.3 to 5.5 v dd -0.4 v oh (3) port 3 i oh =-6ma 4.5 to 5.5 v dd -1 v oh (4) i oh =-1.4ma 3.3 to 5.5 v dd -0.4 low level output voltage v ol (1) ports 0, 1, 2, 3 i ol =10ma 4.5 to 5.5 1.5 v ol (2) i ol =1.4ma 3.3 to 5.5 0.4 v ol (3) port 7 i ol =1.4ma 3.3 to 5.5 0.4 v ol (4) p00, p01 i ol =25ma 4.5 to 5.5 1.5 v ol (5) i ol =4ma 3.3 to 5.5 0.4 pull-up resistance rpu(1) ports 0, 1, 2, 3 port 7 v oh =0.9v dd when port 0 selected low-impedance pull-up. 4.5 to 5.5 15 35 80 k rpu(2) port 0 v oh =0.9v dd when port 0 selected high-impedance pull-up. 3.3 to 5.5 100 210 400 hysteresis voltage vhys ports 1, 2, 3, 7 res when port 2 selected int4. 3.3 to 5.5 0.1v dd v pin capacitance cp all pins for pins other than that under test: v in =v ss f=1mhz ta=25 c 3.3 to 5.5 10 pf
lc87f0808a no.a1828-15/25 serial i/o characteristics at ta = -40 c to +85 c, v ss 1 = v ss 2 = 0v sio0 serial i/o characteristics (note 4-1-1) parameter symbol pin/ remarks conditions specification v dd [v] min typ max unit serial clock input clock frequency tsck(1) sck0(p12) ? see fig. 5. 3.3 to 5.5 2 tcyc low level pulse width tsckl(1) 1 high level pulse width tsckh(1) 1 output clock frequency tsck(2) sck0(p12) ? cmos output selected ? see fig. 5. 3.3 to 5.5 4/3 low level pulse width tsckl(2) 1/2 tsck high level pulse width tsckh(2) 1/2 serial input data setup time tsdi(1) sb0(p11), si0(p11) ? must be specified with respect to rising edge of sioclk. ? see fig. 5. 3.3 to 5.5 0.05 s data hold time thdi(1) 0.05 serial output input clock output delay time tdd0(1) so0(p10), sb0(p11) ? continuous data transmission/reception mode (note 4-1-2) 3.3 to 5.5 (1/3)tcyc +0.08 tdd0(2) ? synchronous 8-bit mode (note 4-1-2) 1tcyc +0.08 output clock tdd0(3) (note 4-1-2) (1/3)tcyc +0.08 note 4-1-1: these specifications are theoretical values. add margin depending on its use. note 4-1-2: must be specified with respect to falling edge of sioclk. must be specified as the time to the beginning of output state change in open drain output mode. see fig. 5. sio1 serial i/o characteristics (note 4-2-1) parameter symbol pin/ remarks conditions specification v dd [v] min typ max unit serial clock input clock frequency tsck(3) sck1(p15) see fig. 5. 3.3 to 5.5 2 tcyc low level pulse width tsckl(3) 1 high level pulse width tsckh(3) 1 output clock frequency tsck(4) sck1(p15) ? cmos output selected ? see fig. 5. 3.3 to 5.5 2 low level pulse width tsckl(4) 1/2 tsck high level pulse width tsckh(4) 1/2 serial input data setup time tsdi(2) sb1(p14), si1(p14) ? must be specified with respect to rising edge of sioclk. ? see fig. 5. 3.3 to 5.5 0.05 s data hold time thdi(2) 0.05 serial output output delay time tdd0(4) so1(p13), sb1(p14) ? must be specified with respect to falling edge of sioclk. ? must be specified as the time to the beginning of output state change in open drain output mode. ? see fig. 5. 3.3 to 5.5 (1/3)tcyc +0.08 note 4-2-1: these specifications are theoretical values. add margin depending on its use.
lc87f0808a no.a1828-16/25 pulse input conditions at ta = -40 c to +85 c, v ss 1 = v ss 2 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit high/low level pulse width tpih(1) tpil(1) int0(p70), int1(p71), int2(p72), int4(p20 to p21) ? interrupt source flag can be set. ? event inputs for timer 0 or 1 are enabled. 3.3 to 5.5 1 tcyc tpih(2) tpil(2) int3(p73) when noise filter time constant is 1/1 ? interrupt source flag can be set. ? event inputs for timer 0 are enabled. 3.3 to 5.5 2 tpih(3) tpil(3) int3(p73) when noise filter time constant is 1/32 ? interrupt source flag can be set. ? event inputs for timer 0 are nabled. 3.3 to 5.5 64 tpih(4) tpil(4) int3(p73) when noise filter time constant is 1/128 ? interrupt source flag can be set. ? event inputs for timer 0 are enabled. 3.3 to 5.5 256 tpil(5) res ? resetting is enabled. 3.3 to 5.5 200 s ad converter characteristics at v ss 1 = v ss 2 = 0v 10bits ad converter mode/ta = -40 c to +85 c parameter symbol pin/remarks conditions specification v dd [v] min typ max unit resolution n an0(p00) to an7(p07) an8(amp1o) an9(amp2o) 3.3 to 5.5 10 bit absolute accuracy et (note 6-1) 3.3 to 5.5 16 lsb conversion time tcad ? see conversion time calculation formulas. (note 6-2) 3.3 to 5.5 8.5 59.5 s analog input voltage range vain 3.3 to 5.5 v ss v dd v analog port input current iainh vain=v dd 3.3 to 5.5 1 a iainl vain=v ss 3.3 to 5.5 -1 8bits ad converter mode/ta = -40 c to +85 c parameter symbol pin/remarks conditions specification v dd [v] min typ max unit resolution n an0(p00) to an7(p07) an8(amp1o) an9(amp2o) 3.3 to 5.5 8 bit absolute accuracy et (note 6-1) 3.3 to 5.5 1.5 lsb conversion time tcad ? see conversion time calculation formulas. (note 6-2) 3.3 to 5.5 2.9 20 s analog input voltage range vain 3.3 to 5.5 v ss v dd v analog port input current iainh vain=v dd 3.3 to 5.5 1 a iainl vain=v ss 3.3 to 5.5 -1 conversion time cal culation formulas: 10bits ad converter mode: tcad (conversion time) = ((42/(ad division ratio)) + 2) (1/3) tcyc 8bits ad converter mode: tcad (conversion time) = ((28/(ad division ratio))+2) (1/3) tcyc
lc87f0808a no.a1828-17/25 external oscillation (fmcf) operating supply voltage range (v dd ) system division ratio (sysdiv) cycle time (tcyc) ad division ratio (addiv) ad conversion time (tcad) 10bit ad 8bit ad 10bit ad 8bit ad cf-20mhz 3.3v to 5.5v 1/1 150ns 1/4 1/2 8.5 s 2.9 s cf-10mhz 3.3v to 5.5v 1/1 300ns 1/4 1/2 17 s 5.8 s cf-4mhz 3.3v to 5.5v 1/1 750ns 1/4 1/2 42.5 s 14.5 s note 6-1: the quantization error (1/2lsb ) must be excluded from the absolute accuracy. the absolute accuracy must be measured in the microcontroller's state in which no i/o operations occur at the pins adjacent to the analog input channel. note 6-2: the conversion time refers to the period from the time an instruction for starting a conversion process till the time the conversion results register(s) are loaded with a complete digital conversion value corresponding to the analog input value. the conversion time is 2 times the normal-time conversion time when: ? the first ad conversion is performed in the 10 -bit ad conversion mode after a system reset. ? the first ad conversion is performed after the ad conversion mode is switched from 8-bit to 10-bit conversion mode. power-on reset (por) characteristics at ta = -40 c to +85 c, v ss 1=v ss 2=0v parameter symbol pin/remarks conditions specification option selected voltage min typ max unit por release voltage porrl ? select from option. (note 7-1) 1.67v 1.55 1.67 1.79 v 1.97v 1.85 1.97 2.09 2.07v 1.95 2.07 2.19 2.37v 2.25 2.37 2.49 2.57v 2.45 2.57 2.69 2.87v 2.75 2.87 2.99 3.86v 3.73 3.86 3.99 4.35v 4.21 4.35 4.49 detection voltage unknown state pouks ? see fig. 7. (note 7-2) 0.7 0.95 power supply rise time poris ? power supply rise time from 0v to 1.6v. 100 ms note7-1: the por release level can be selected out of 8 levels only when the lvd reset function is disabled. note7-2: por is in an unknown state before transistors start operation.
lc87f0808a no.a1828-18/25 low voltage detection reset (lvd) characteristics at ta = -40 c to +85 c, v ss 1=v ss 2=0v parameter symbol pin/remarks conditions specification option selected voltage min typ max unit lvd reset voltage (note 8-2) lvdet ? select from option. (note 8-1) (note 8-3) ? see fig. 8. 1.91v 1.81 1.91 2.01 v 2.01v 1.91 2.01 2.11 2.31v 2.21 2.31 2.41 2.51v 2.41 2.51 2.61 2.81v 2.71 2.81 2.91 3.79v 3.69 3.79 3.89 4.28v 4.18 4.28 4.38 lvd hysteresys width lvhys 1.91v 55 mv 2.01v 55 2.31v 55 2.51v 55 2.81v 60 3.79v 65 4.28v 65 detection voltage unknown state lvuks ? see fig. 8. (note 8-4) 0.7 0.95 v low voltage detection minimum width (reply sensitivity) tlvdw ? lvdet-0.5v ? see fig. 9. 0.2 ms note8-1: the lvd reset level can be selected out of 7 levels only when the lvd reset function is enabled. note8-2: lvd reset voltage specification values do not include hysteresis voltage. note8-3: lvd reset voltage may exceed its specification values when port output state changes and/or when a large current flows through port. note8-4: lvd is in an unknown state before transistors start operation. comparator, operational amplifiers characteristics at ta=-40 to +85 c, v ss 1=v ss 2=0v function parameter symbol pin/remarks conditions specification v dd [v] min typ max unit cmp1, 2 input common- mode voltage (note9-1) vcmin cmp1ia, cmp1ib cmp2ia, cmp2ib 3.3 to 5.5 v ss v dd - 1.5v v offset voltage voff(1) cmp1ia, cmp1ib cmp2ia, cmp2ib input common-mode voltage range 3.3 to 5.5 20 mv cmp response speed tcrt cmp1o cmp2o ? input common-mode voltage range ? input amplitude=100mv ? over drive=50mv 3.3 to 5.5 200 ns amp1, 2 amp input voltage (note9-1) vamin cmp1ia, cpm2ia 3.3 to 5.5 v ss v dd - 1.5v v input offset voltage vopoff cmp1ia, cmp1ib cmp2ia, cmp2ib input common-mode voltage range 3.3 to 5.5 20 mv slew rate sr cmp1o cmp2o 50pf 5.0 3 v/ s output current source iosource cmp1ia,cmp1ib(+)=1v cmp2ia,cmp2ib(-)=0v cmp1o,cmp2o=v dd -1.5v 5.0 2.5 3.5 ma sink iosink cmp1ia,cmp1ib(+)=0v cmp2ia,cmp2ib(-)=1v cmp1o,cmp2o=v dd +0.5v 5.0 0.3 0.35 ma note9-1: when v dd =5v, input voltage is effective from 0 to 3.5v.
lc87f0808a no.a1828-19/25 consumption current characteristics at ta = -40 c to +85 c, v ss 1 = v ss 2 = 0v parameter symbol pin/ remarks conditions specification v dd [v] min typ max unit normal mode consumption current (note 10-1) (note 10-2) iddop(1) v dd 1, v dd 2 ? fmcf=20mhz ceramic oscillation mode ? system clock set to 20mhz side ? all internal rc oscillation stopped. ? 1/1 frequency division ratio 3.3 to 5.5 10 12.5 ma iddop(2) ? fmcf=4mhz ceramic oscillation mode ? system clock set to 4mhz side ? all internal rc oscillation stopped. ? 1/1 frequency division ratio 3.3 to 5.5 3 4.1 iddop(3) ? fsx?tal=32.768khz crystal oscillation mode ? internal medium speed rc oscillation stopped. ? system clock set to internal high speed rc oscillation (20mhz). ? 1/1 frequency division ratio 3.3 to 5.5 9.2 11 iddop(4) ? fsx?tal=32.768khz crystal oscillation mode ? internal high speed rc oscillation stopped. ? system clock set to internal medium speed rc oscillation. ? 1/2 frequency division ratio 3.3 to 5.5 0.5 0.7 iddop(5) ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to 32.768khz crystal oscillation. ? all internal rc oscillation stopped. ? 1/1 frequency division ratio 3.3 to 5.5 32 74 a halt mode consumption current (note 10-1) (note 10-2) iddhalt(1) v dd 1, v dd 2 ? halt mode ? fmcf=20mhz ceramic oscillation mode ? system clock set to 20mhz side ? all internal rc oscillation stopped. ? 1/1 frequency division ratio 3.3 to 5.5 4.7 5.8 ma iddhalt(2) ? halt mode ? fmcf=4mhz ceramic oscillation mode ? system clock set to 4mhz side ? all internal rc oscillation stopped. ? 1/1 frequency division ratio 3.3 to 5.5 1.5 2.3 iddhalt(3) ? halt mode ? fsx?tal=32.768khz crystal oscillation mode ? internal medium speed rc oscillation stopped. ? system clock set to internal high speed rc oscillation (20mhz). ? 1/1 frequency division ratio 3.3 to 5.5 4 5 iddhalt(4) ? halt mode ? fsx?tal=32.768khz crystal oscillation mode ? internal high speed rc oscillation stopped. ? system clock set to internal medium speed rc oscillation. ? 1/2 frequency division ratio 3.3 to 5.5 0.3 0.45 iddhalt(5) ? halt mode ? fsx?tal=32.768khz crystal oscillation mode ? system clock set to 32.768khz crystal oscillation. ? all internal rc oscillation stopped. ? 1/1 frequency division ratio 3.3 to 5.5 16 60 a note10-1: values of the consumption current do not include cu rrent that flows into the output transistors and internal pull-up resistors. note10-2: the consumption current values do not includ e operational current of lvd function if not specified. continued on next page.
lc87f0808a no.a1828-20/25 continued from preceding page. parameter symbol pin/ remarks conditions specification v dd [v] min typ max unit hold mode consumption current (note 10-1) (note 10-2) (note 10-3) iddhold(1) v dd 1, v dd 2 hold mode ? cf1=v dd or open (external clock mode) 3.3 to 5.5 0.03 32 a iddhold(2) hold mode ? cf1=v dd or open (external clock mode) ? lvd option selected 3.3 to 5.5 3 35 note10-1: values of the consumption current do not include cu rrent that flows into the output transistors and internal pull-up resistors. note10-2: the consumption current values do not includ e operational current of lvd function if not specified. note10-3: the amplifier / comparator circuit operates in the hold mode. f-rom programming characteristics at ta = -40 c to +85 c, v ss 1 = v ss 2 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit onboard programming current iddfw(1) v dd 1, v dd 2 ? only current of the flash block. 3.3 to 5.5 5 10 ma programming time tfw(1) ? erasing time 3.3 to 5.5 20 30 ms tfw(2) ? programming time 40 60 s uart (full duplex) op erating conditions at ta = -40 c to +85 c, v ss 1 = v ss 2 = 0v parameter symbol pin/remarks conditions specification v dd [v] min typ max unit transfer rate ubr utx(p16) urx(p17) 3.3 to 5.5 16/3 8192/3 tcyc data length : 7/8/9 bits (lsb first) stop bits : 1 bit (2-bit in continuous data transmission) parity bits : none example of continuous 8-bit data transmission mode processing (first transmit data=55h) example of continuous 8-bit da ta reception mode processing (first receive data=55h) transmit data (lsb first) start of transmission end of transmission ubr start bit stop bit receive data (lsb first) ubr start of reception end of reception stop bit start bit
lc87f0808a no.a1828-21/25 characteristics of a sample main system clock oscillation circuit given below are the characteristics of a sample main system clock oscillation circuit that are measured using a our designated oscillation characteristics eval uation board and external components with circuit constant values with which the oscillator vendor confirmed normal and stable oscillation. table 1 characteristics of a sample main system clock oscillator circuit with a ceramic oscillator ? murata nominal frequency type oscillator name circuit constant operating voltage range [v] oscillation stabilization time remarks c1 [pf] c2 [pf] rf [ ] rd [ ] typ [ms] max [ms] 20mhz smd cstce20m0g51-r0 (5) (5) open 470 3.3 to 5.5 0.02 internal c1,c2 lead cstls20m0g52-b0 (5) (5) open 330 3.3 to 5.5 0.06 10mhz smd cstce10m0g52-r0 (10) (10) open 470 3.3 to 5.5 0.02 lead cstls10m0g53-b0 (15) (15) open 680 3.3 to 5.5 0.02 4mhz smd cstcr4m00g53-r0 (15) (15) open 1.5k 3.3 to 5.5 0.04 lead cstls4m00g53-b0 (15) (15) open 1.5k 3.3 to 5.5 0.03 the oscillation stabilization time refers to the time interval th at is required for the oscillation to get stabilized after v dd goes above the operating voltage lower limit (see figure 3). characteristics of a sample subs ystem clock oscillator circuit given below are the characteristics of a sample subsystem clock oscillation circuit that are measured using a our designated oscillation characteristics evaluation board and exte rnal components with circuit constant values with which the oscillator vendor confirmed normal and stable oscillation. table 2 characteristics of a sample subsystem cl ock oscillator circuit with a crystal oscillator ? epson toyocom nominal frequency type oscillator name circuit constant operating voltage range [v] oscillation stabilization time remarks c1 [pf] c2 [pf] rf [ ] rd [ ] typ [s] max [s] 32.768khz smd mc-306 8 8 open 330k 3.3 to 5.5 1.0 4.0 applicable cl value = 7.0pf the oscillation stabilization time refers to the time interval th at is required for the oscillation to get stabilized after the instruction for starting the subclock oscillation circuit is ex ecuted and to the time interval that is required for the oscillation to get stabilized after the hold mode is reset (see figure 3). note: the components that are in volved in oscillation should be placed as close to the ic an d to one another as possible because they are vulnerable to the influences of the circuit pattern. figure 1 cf and xt oscillator circuit figure 2 ac timing measurement point 0.5v dd rf rd cf1/xt1 cf2/xt2 c2 cf/x?tal c1
lc87f0808a no.a1828-22/25 hold reset signal and oscillation stabilization time note: external oscillation circuit is selected. figure 3 oscillation stabilization times reset time and oscillation stabilization time power supply res internal medium speed rc oscillation cf1, cf2 operating mode reset time unpredictable reset instruction execution v dd operating v dd lower limit 0v tmscf/tmsx?tal internal medium speed rc oscillation or low speed rc oscillation cf1, cf2 (note) hold reset signal hold reset signal absent tmscf/tmsx?tal hold halt hold reset signal valid state
lc87f0808a no.a1828-23/25 figure 4 reset circuit figure 5 serial i/o output waveforms figure 6 pulse input timing signal waveform c res v dd r res res note: external circuits for reset may vary depending on the usage of por and lvd. please refer to the user?s manual for more information. di0 di7 di2 di3 di4 di5 di6 do0 do7 do2 do3 do4 do5 do6 di1 do1 sioclk: datain: dataout: dataout : datain: sioclk: tsck tsckl tsckh thdi tsdi tddo tpil tpih
lc87f0808a no.a1828-24/25 figure 7 waveform observed when only por is used (lvd not used) (reset pin: pull-up resistor r res only) ? the por function generates a reset only wh en power is turned on starting at the v ss level. ? no stable reset will be generated if power is turned on again when the power level does not go down to the v ss level as shown in (a). if such a case is an ticipated, use the lvd function together with the por function or implement an external reset circuit. ? a reset is generated only when the power level goes down to the v ss level as shown in (b) and power is turned on again after this condition continues for 100 s or longer. figure 8 waveform observed when both por and lvd functions are used (reset pin: pull-up resistor r res only) ? resets are generated both when power is tu rned on and when the power level lowers. ? a hysteresis width (lvhys) is provided to prevent the repetitions of reset releas e and entry cycles near the detection level. por release voltage ( p o rrl ) v dd res unknown-state ( pouks ) (a) (b) reset period reset period 100
lc87f0808a no.a1828-25/25 figure 9 low voltage detection minimum width (example of momentary power loss/voltage variation waveform) ps v dd lvd reset voltage tlvdw v ss lvd release voltage lvdet-0.5v on semiconductor and the on logo are registered trademarks of semiconductor components industries, llc (scillc). scillc owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. a listing of scillc?s product/patent coverage may be accessed at www.onsemi.com/site/pdf/patent-marking.pdf. scillc reserves the right to make changes without further notice to any products herein. scillc mak es no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability ar ising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequentia l or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s techn ical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorize d for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other appli cation in which the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of persona l injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture o fthe part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws a nd is not for resale in any manner.

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