?discrete replacement ?appliances ?control systems ?home and industrial security systems ?fluorescent light ballasts ?electromechanical replacement t arget applications ? mhz bus operation at 5v operation for 125 nsec minimum instruction cycle time ? mhz bus operation at 3v operation for 250 nsec minimum instruction cycle time ? fficient instruction set including multiply and divide 16 flexible addressing modes including stack relative with 16-bit stack pointer easy-to-learn, easy-to-use architecture object compatible with 68hc05 allows for efficient, compact modular coding in assembly or c high-performance 68hc08 cpu core 4k bytes integrated second-generation flash memory internal clock oscillator in-application reprogrammable extremely fast programming ?up to 100x faster than most embedded flash (as fast as 32 ?ec/byte) flash easily used for data eeprom ?10k minimum write/erase cycles across temperature ?byte writeable ?no restrictions or special instructions to access data in flash program memory flexible block protection and security ? ost-effective programming changes and field software upgrades via in-application programmability and reprogrammability ? irtually eliminates scrap, costly rework and cost of socket the benefits of flash at competitive otp prices helps to reduce production programming costs through ultra-fast programming helps to reduce power and speed application when writing non-volatile data is required ? irtually eliminates the need and cost for external serial data eeprom easily performs table lookup and data manipulation without slow and cumbersome special table instructions helps to protect code from unauthorized reading guards against unintentional erasing/writing of user-programmable segments of code 3.2 mhz nominal bus frequency +/- 25 percent trimmable +/- 5 percent accurate to 105? can eliminate the cost of all external clock components helps to reduce board space can eliminate emi generated from external clocks allows option of external rc, external clock or external crystal/resonator flexible i/o up to five bidirectional i/o and one input ? igh-current drive ? rogrammable pull-ups/keyboard interrupt ? igh-current i/o allows direct drive of led and other circuits to virtually eliminate external drivers and reduce system costs keyboard scan with programmable pull-ups virtually eliminates external glue logic when interfacing to simple keypads features benefits a flash mcu solution 68hc908qt4 8-bit microcontroller the 68hc908qt4 helps reduce system cost by eliminating the need for external low-voltage inhibit, external drivers with high-current i/o and external data eeprom and helps reduce programming cost with fast flash programming. other valuable features include an analog-to-digital converter (adc) and an internal clock oscillator. it helps maximize efficiency and speed time-to-market with the ability change code in-application with flash and free, professional-quality development tools including a qt/qy c compiler, simulator, assembler, linker, flash programmer and auto-code generator. cpu08 128 ram 4k flash mon brk sim cop lvi int osc 4 channel, 8-bit adc kbi tim port a 6 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 . . .
p art number p ackage temperature range mc68hc908qt4cp 8 dip -40 to 85? mc68hc908qt4cdw 8 soic -40 to 85? sample packs p ackage temperature range kmc908qt4cp 8 dip -40 to 85? kmc908qt4cdw 8 soic -40 to 85? individual development tool components motorola and the stylized m logo are registered in the u.s. patent and trademark office. all other product or service names are the property of their respective owners. ? motorola, inc. 2002 68hc908qt4pb/d rev 0 125 nsec resolution at 8 mhz ? ree-running counter or modulo up-counter each channel independently programmable for input capture, output compare or unbuffered pwm pairing timer channels provides a buffered pwm function two programmable 16-bit timer channels cop watchdog timer with auto-wakeup from stop capability low-voltage inhibit with selectable trip points ? rovides system protection in the event of runaway code by resetting the mcu to a known state helps to reduce power usage while automatically providing wakeup to check external sensors or perform periodic servicing designed to improve reliability by resetting the mcu when voltage drops below trip point system protection 125 nsec resolution at 8 mhz bus ? nput capture, output capture or pwm flexible channels independently programmable for capture, compare or pwm two-channel 16-bit timer features benefits easy-to-order development tool kits p art number description kitmmevs08qtqy cost-effective real-time, $1450 (kitmmevs08qtqy-e in-circuit emulator and for europe) debug kit. includes mon08 multilink. kitmmds08qtqy high-performance real-time, $3950 (kitmmds08qtqy-e in-circuit emulation and for europe) debug. includes mon08 multilink. codewarrior codewarrior ide, qt/qy free development c compiler, assembler, studio special edition linker, debugger, full-chip for hc08 simulation, flash programming and automatic c code generation for on-chip peripherals with processor expert . m68demo908qt4 evaluation board with $25 demonstration board tutorial, demonstration code and codewarrior m68multilink08 fast in-circuit programming $168 (m68multilink08-eur and debug. utilizes hc08 for europe) monitor mode and on-chip breakpoint. m68cyclone08 all capabilities of mon08 $399 (m68cyclone08-eur multilink, plus functions as for europe) standalone programmer. m68eml08qtqy emulation module daughter $495 board m68cbl05a low-noise flex cable $120 m68ta08qtp8 8-pin dip and soic target $100 head adapter m68dip8soic 8-pin dip to soic adapter $50 resale* p ackage options** a flash mcu solution 68hc908qt4 8-bit analog-to-digital converter four channels fast conversion in 17 ?ec easy interface to analog inputs like sensors p 8-lead dip 8-lead soic * all prices are manufacturer s suggested resale for north america. ** contact your sales representative for extended temperature availability. application notes an2317/d - low-cost programming and debugging options for m68hc08 mcus an2305/d - user mode monitor access for mc68hc908qt/qy series mcus an2310/d - mc68hc908qt4 low-power application an2312/d - qy4 internal oscillator usage notes an2322/d - reprogramming the m68demo908qt4 data sheet mc68hc908qy4/d data sheet for qy4/qy2/qy1/qt4/qt2/qt1 mc68hc908qy4sm/d data sheet summary for qy4/qy2/qy1/qt4/qt2/qt1 application notes/data sheet 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 . . .
|
