? motorola, inc., 2003 HC908JL8AD/d rev. 0, 5/2002 addendum to mc68hc908jl8 technical data addendum this addendum provides update and additional information to the mc68hc908jl8 technical data , rev. 2 (motorola document number mc68hc908jl8/d) mc68hc08jl8 mc68hc08jk8 the mc68hc08jl8 is the rom part equivalent to the mc68hc908jl8. the entire mc68hc908jl8 data book apply to this rom device, with exceptions outlined in this addendum. table 1. summary of mc68hc08jl8 and mc68hc908jl8 differences mc68hc08jl8 mc68hc908jl8 memory ($dc00?$fbff) 8,192 bytes rom 8,192 bytes flash user vectors ($ffdc?$ffff) 36 bytes rom 36 bytes flash registers at $fe08 and $ffcf not used; locations are reserved. flash related registers. $fe08 ? flcr $ffcf ? flbpr mask option register ($ffd0) defined by mask; read only. read/write flash register. monitor rom ($fc00?$fdff and $fe10?$ffce) $fc00?$fdff: not used. $fe10?$ffce: used for testing purposes only. used for testing and flash programming/erasing. available packages 20-pin pdip (mc68hc08jk8) 20-pin soic (mc68hc08jk8) 28-pin pdip 28-pin soic 32-pin sdip 32-pin lqfp 20-pin pdip (mc68hc908jk8) 20-pin soic (mc68hc908jk8) 28-pin pdip 28-pin soic 32-pin sdip 32-pin lqfp f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
HC908JL8AD/d 2 addendum to mc68hc908jl8 technical data motorola mcu block diagram figure 1 shows the block diagram of the mc68hc08jl8. memory map the mc68hc08jl8 has 8,192 bytes of user rom from $dc00 to $fbff, and 36 bytes of user rom vectors from $ffdc to $ffff. on the mc68hc908jl8, these memory locations are flash memory. figure 2 shows the memory map of the mc68hc08jl8. figure 1. mc68hc08jl8 block diagram system integration module arithmetic/logic unit (alu) cpu registers m68hc08 cpu control and status registers ? 64 bytes external interrupt module internal bus * rst * irq power vss 2-channel timer interface module 1 keyboard interrupt module 8-bit analog-to-digital converter module vdd adc reference ddrb portb ptb7/adc7 ptb6/adc6 ptb5/adc5 ptb4/adc4 ptb3/adc3 ptb2/adc2 ptb1/adc1 ptb0/adc0 ddra porta pta6/kbi6** pta5/kbi5** ? pta4/kbi4** ? pta3/kbi3** ? pta2/kbi2** ? pta1/kbi1** ? pta0/kbi0** ? power-on reset module * pin contains integrated pull-up device. ** pin contains programmable pull-up device. ? led direct sink pin. osc1 osc2/rcclk crystal oscillator rc oscillator ddrd portd ptd7/rxd ** ?? ptd6/txd ** ?? ptd5/t1ch1 ptd4/t1ch0 ptd3/adc8 ? ptd2/adc9 ? ptd1/adc10 ptd0/adc11 break module computer operating properly module # pins available on 32-pin packages only. shared pin: osc2/rcclk/pta6/kbi6. pta7/kbi7** ? low-voltage inhibit module serial communications interface module pte ddre pte1/t2ch1 pte0/t2ch0 internal oscillator adc12/t2clk 2-channel timer interface module 2 user ram ? 256 bytes monitor rom ? 447 bytes # ## # ## # ## pins available on 28-pin and 32-pin packages only. ? 25ma open-drain if output pin. user rom ? 8,192 bytes user rom vectors ? 36 bytes shaded blocks indicate differences to mc68hc908jl8 f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
HC908JL8AD/d mc68hc08jl8 mc68hc08jk8 motorola addendum to mc68hc908jl8 technical data 3 $0000 $003f i/o registers 64 bytes $0040 $005f reserved 32 bytes $0060 $015f ram 256 bytes $0160 $dbff unimplemented 55,968 bytes $dc00 $fbff rom 8,192 bytes $fc00 $fdff unimplemented 512 bytes $fe00 break status register (bsr) $fe01 reset status register (rsr) $fe02 reserved $fe03 break flag control register (bfcr) $fe04 interrupt status register 1 (int1) $fe05 interrupt status register 2 (int2) $fe06 interrupt status register 3 (int3) $fe07 reserved $fe08 reserved $fe09 $ff0b reserved $fe0c break address high register (brkh) $fe0d break address low register (brkl) $fe0e break status and control register (brkscr) $fe0f reserved $fe10 $ffce monitor rom 447 bytes $ffcf reserved $ffd0 mask option register (mor) ? read only $ffd1 $ffdb reserved 11 bytes $ffdc $ffff user rom vectors 36 bytes figure 2. mc68hc08jl8 memory map f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
HC908JL8AD/d 4 addendum to mc68hc908jl8 technical data motorola reserved registers the two registers at $fe08 and $ffcf are reserved locations on the mc68hc08jl8. on the mc68hc908jl8, these two locations are the flash control register and the flash block protect register respectively. mask option register the mask option register at $ffd0 is read only. the value is defined by mask option (hard-wired connections) specified at the time as the rom code submission. on the mc68hc908jl8, the mor is implemented as a flash, which can be programmed, erased, and read. monitor rom the monitor program (monitor rom: $fe10?$ffce) on the mc68hc08jl8 is for device testing only. $fc00?$fdff are unused. electrical specifications electrical specifications for the mc68hc908jl8 apply to the mc68hc08jl8, except for the parameters indicated below. dc electrical characteristics table 2. dc electrical characteristics (5v) characteristic (1) symbol min typ (2) max unit v dd supply current, f op = 8 mhz rc oscillator option i dd values same as, and characterized from mc68hc908jl8, but not tested. low-voltage inhibit, trip falling voltage v tripf 3.55 (3.60) (3) 4.02 (4.25) 4.48 (4.48) v low-voltage inhibit, trip rising voltage v tripr 3.66 (3.75) 4.13 (4.40) 4.59 (4.63) v 1. v dd = 4.5 to 5.5 vdc, v ss = 0 vdc, t a = t l to t h , unless otherwise noted. 2. typical values reflect average measurements at midpoint of voltage range, 25 c only. 3. the numbers in parenthesis are mc68hc908jl8 values. table 3. dc electrical characteristics (3v) characteristic (1) symbol min typ (2) max unit v dd supply current, f op = 4 mhz rc oscillator option i dd values same as, and characterized from mc68hc908jl8, but not tested. low-voltage inhibit, trip voltage (no hysteresis implemented for 3v lvi) v lv i 3 2.1 (2.18) (3) 2.4 (2.49) 2.69 (2.68) v 1. v dd = 2.7 to 3.3 vdc, v ss = 0 vdc, t a = t l to t h , unless otherwise noted. 2. typical values reflect average measurements at midpoint of voltage range, 25 c only. 3. the numbers in parenthesis are mc68hc908jl8 values. f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
HC908JL8AD/d mc68hc08jl8 mc68hc08jk8 motorola addendum to mc68hc908jl8 technical data 5 figure 3. rc vs. frequency (5v @25 c) figure 4. rc vs. frequency (3v @25 c) memory characteristics r ext c ext osc1 v dd mcu 0 0 1020304050 14 12 10 8 6 4 2 resistor, r ext (k ? ) rc frequency, f rcclk (mhz) c ext = 10 pf 5v @ 25 c mc68hc908jl8 mc68hc08jl8 r ext c ext osc1 v dd mcu 0 0 1020304050 14 12 10 8 6 4 2 resistor, r ext (k ? ) rc frequency , f rcclk (mhz) c ext = 10 pf 3v @ 25 c mc68hc908jl8 mc68hc08jl8 table 4. memory characteristics characteristic symbol min max unit ram data retention voltage v rdr 1.3 ? v notes: since mc68hc08jl8 is a rom device, flash memory electrical characteristics do not apply. f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
HC908JL8AD/d 6 addendum to mc68hc908jl8 technical data motorola mc68hc08jl8 order numbers these part numbers are generic numbers only. to place an order, rom code must be submitted to the rom processing center (rpc). table 5. mc68hc08jl8 order numbers mc order number operating temperature range package mc68hc08jk8cp ?40 c to +85 c 20-pin pdip mc68hc08jk8mp ?40 c to +125 c mc68hc08jk8cdw ?40 c to +85 c 20-pin soic mc68hc08jk8mdw ?40 c to +125 c mc68hc08jl8cp ?40 c to +85 c 28-pin pdip mc68hc08jl8mp ?40 c to +125 c mc68hc08jl8cdw ?40 c to +85 c 28-pin soic mc68hc08jl8mdw ?40 c to +125 c mc68hc08jl8csp ?40 c to +85 c 32-pin sdip mc68hc08jl8msp ?40 c to +125 c mc68hc08jl8cfa ?40 c to +85 c 32-pin lqfp mc68hc08jl8mfa ?40 c to +125 c note: temperature grade "m" is available for v dd = 5v only. f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
HC908JL8AD/d amendments to mc68hc908jl8/d, rev. 2 motorola addendum to mc68hc908jl8 technical data 7 amendments to mc68hc908jl8/d, rev. 2 keyboard interrupt page 243, figure 15-2. keyboard interrupt block diagram ? replace with the following block diagram: computer operating properly (cop) page 254, 16.8.2 stop mode ? replace the two paragraphs: from: stop mode turns off the iclk input to the cop if the stop_iclkdis bit is set in configuration register 2 (config2). service the cop immediately before entering or after exiting stop mode to ensure a full cop timeout period after entering or exiting stop mode. after reset, the stop_iclkdis bit is clear by default and iclk is enabled during stop mode. to: stop mode turns off the iclk input to the cop and clears the cop prescaler. service the cop immediately before entering or after exiting stop mode to ensure a full cop timeout period after entering or exiting stop mode. to prevent inadvertently turning off the cop with a stop instruction, a configuration option is available that disables the stop instruction. when the stop bit in the configuration register has the stop instruction is disabled, execution of a stop instruction results in an illegal opcode reset. kbie0 kbie7 . . . dq ck clr v dd modek imaskk keyboard interrupt ff vector fetch decoder ackk internal bus reset kbi7 kbi0 synchronizer keyf keyboard interrupt request to pullup enable to pullup enable note: to prevent false interrupts, user should use software to debounce keyboard interrupt inputs. f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
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