? pc peripherals (keyboard, mouse) ? usb converters ? rf wireless receivers ? usb security keys for e-commerce ? set-top box peripherals t arget applications ? 6 mhz bus operation at 4 to 5.5v operation for 167 nsec minimum instruction cycle time ? efficient instruction set including multiply and divide ? 16 flexible addressing modes including stack relative with 16-bit stack pointer ? fully static low-voltage, low-power design with wait and stop modes ? object code compatible with the 68hc05 ? easy-to-learn, easy-to-use architecture ? c optimized architecture provides compact code high-performance 68hc08 cpu core 16k bytes integrated second-generation 0.35 flash memory usb 2.0 specification low-speed functions ? in-application re-programmable ? extremely fast programming, encoding 64 bytes in as fast as 32 ?ec per byte ? flash programming across the 68hc08 device s full operating supply voltage with no extra programming voltage ? 10k write/erase cycles minimum over temperature ? flexible block protection and security ? cost-effective programming changes and field software upgrades via in-application programmability and re-programmability ? helps to reduce production programming costs through ultra-fast programming ? byte-writable for data as well as program memory ? helps protect code from unauthorized reading and guards against unintentional erasing/writing of user-programmable segments of code ? 1.5 mbps data rate ? on-chip 3.3v regulator ? endpoint 0 with 8-byte transmit buffer and 8-byte receive buffer ? endpoint 1 with 8-byte transmit buffer ? endpoint 2 with 8-byte transmit buffer and 8-byte receive buffer ? designed to serve as low-speed (ls) usb device, in accordance with universal serial bus specification rev. 2.0 low-speed functions ? integrated 3.3v regulator helps to reduce system cost dual 27 mhz phase-locked loops ? two programmable 27 mhz plls ? reference frequency from mcu input clock: 12 mhz crystal ? provides two independent, high-performance 27 mhz clocks for rf applications two programmable 16-bit timers, each with two channels ? 167 nsec resolution at 6 mhz bus ? free-running counter or modulo up-counter ? external clock input option ? each channel independently programmable for input capture, output compare or unbuffered pwm ? pairing timer channels designed for a buffered pwm function serial communications interface ? uart asynchronous communications system ? flexible baud rate generator ? double buffered transmit and receive ? optional hardware parity checking and generation ? designed to enable asynchronous serial communications with peripheral devices features benefits a flash mcu solution 68hc908jb16 8-bit microcontroller the 68hc908jb16 is an upwardly compatible, versatile migration from motorola s 68hc908jb8 universal serial bus (usb) microcontroller unit (mcu). the innovative design features an on-chip usb module for fast, reliable pc peripheral applications, and dual 27 mhz clock generators. an energy-saving, low-power solution, the 68hc908jb16 is embedded with 16 kbytes of motorola s second-generation flash technology to enable in-system programmability. hc08 cpu 16k flash lvi usb 2.0 low speed up to 21 gpio 384 ram keyboard interrupt cop 2-ch 16-bit t imer 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 . . .
motorola and the stylized m logo are registered in the u.s. patent and trademark office. this product incorporates superflash technology licensed from sst. all other product or service names are the property of their respective owners. ?motorola, inc. 2003 68HC908JB16FS/d rev 0 selectable trip point low-voltage inhibit ? improves reliability by resetting the mcu when voltage drops below trip point ? integration helps to reduce system cost ? 10 ma high-current drive for ps/2 connection on two pins (with usb module disabled) ? one dedicated i/o pin, with 25 ma direct drive for infrared led (32-pin package) ? six dedicated i/o pins, with 25 ma direct drive for infrared led on two pins and 10 ma direct drive for normal led on four pins (28-pin package) ? keyboard scan with selectable interrupts on eight i/o pins ? high current i/o designed to allow direct drive of led and other circuits to eliminate external drivers and help to reduce system costs ? keyboard scan with programmable pull-ups virtually eliminates external glue logic when interfacing to simple keypads up to 21 bidirectional input/output (i/o) lines features benefits p ackage options a flash mcu solution 68hc908jb16 computer operating properly watchdog timer ? issues reset in the event of runaway code * all prices are manufacturer s suggested resale for north america. ? an2093/d creating efficient c code for the hc08 ? an1219/d m68hc08 integer math routines ? an1218/d hc05 to hc08 optimization ? an1837/d non-volatile memory technology review ? an1752/d data structures for 8-bit mcus ? an1705/d noise reduction techniques for mcu-based systems and many more?ee our web site at http://www.motorola.com/mcu application notes individual development tool components easy-to-order development tool kits pa rt number description m68ics08jbjg programmer/in-circuit $295 debug kit kitmmevs08jbjg cost-effective real-time $1450 in-circuit emulator kit kitmmds08jbjg high-performance real-time $3950 in-circuit emulator kit m68mmds0508 high-performance emulator $2950 m68mmpfb0508 mmevs platform board $395 m68em08jbjg emulation module daughter $495 board m68cbl05c low-noise flex-cable $120 m68tc08jb16fa32 32-pin lqfp target head $200 adapter m68tc08jb16p28 28-pin dip target head $100 adapter m68dip28soic 28-pin surface mount adapter $50 resale* pa rt number p ackage temperature range mc68hc908jb16fa 32 lqfp 0 to 70? mc68hc908jb16dw 28 soic 0 to 70? sample packs p ackage temperature range kmc908jb16fa 32 lqfp 0 to 70? kmc908jb16dw 28 soic 0 to 70? fa 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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