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| Freescale Semiconductor, Inc. A FLASH MCU SOLUTION 68HC908JB8 8-bit Microcontroller TARGET APPLICATIONS * PC peripherals (keyboard, mouse, joystick) * RF wireless receivers * USB converters * USB security keys for e-commerce * Game pads * Set-top box peripherals FEATURES HIGH-PERFORMANCE 68HC08 CPU CORE * 3 MHz bus operation at 3V for 333 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 BENEFITS Freescale Semiconductor, Inc... * Object code compatible with the 68HC05 * Easy to learn and use architecture * C optimized architecture provides compact code This 8-bit 68HC908JB8 is an upwardly compatible, versatile migration from Motorola's groundbreaking 68HC05 universal serial bus (USB) Family. The innovative design features an on-chip USB module for faster, more reliable PC peripheral applications. An energy-saving, low-power solution, the 68HC908JB8 is embedded with Motorola's secondgeneration embedded FLASH technology to enable in-system programmability. INTEGRATED SECOND GENERATION FLASH MEMORY * In-application re-programmable * Extremely fast programming, encoding 64 bytes in as fast as 2 msec * FLASH programming across the 68HC08'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 * Reduces production programming costs through ultra-fast programming * Allows re-programmable battery-powered applications * Byte-writable for data as well as program memory * Protects code from unauthorized reading and to guard against unintentional erasing/writing of user-programmable segments of code CPU08 KBI PORT A 8 FULL USB 1.1 SPECIFICATION LOW-SPEED FUNCTIONS * 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 a low-speed (LS) USB device, in accordance with the Universal Serial Bus Specification Rev. 1.1 * Integrated 3.3V regulator reduces system cost 256 RAM TIM PORT B 8 8K FLASH USB PORT C 8 MON PORT D BRK VREG PORT E SIM 8 5 MULTIPLE CLOCK OPTIONS * * * * Crystal oscillator Ceramic oscillator External clock RC oscillator * Flexible clock options optimize timing accuracy with system cost IRQ COP LVI OSC For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. A FLASH MCU SOLUTION 68HC908JB8 RESALE* RESALE EASY-TO-ORDER DEVELOPMENT TOOL KITS M68ICS08JB 68HC908JB8 Programmer/in-circuit debug kit Cost-effective real-time in-circuit emulator High-performance real-time in-circuit emulator kit $295 PART NUMBER DESCRIPTION FEATURES BENEFITS TWO PROGRAMMABLE 16-BIT TIMER CHANNELS * 333 nsec resolution at 3 MHz bus * Free-running counter or modulo upcounter * Each channel independently programmable for input capture, output compare or unbuffered PWM * Pairing timer channels provides a buffered PWM function KITMMEVS08JB KITMMDS08JB $1450 $3950 COMPUTER OPERATING PROPERLY WATCHDOG TIMER * Provides system protection in the event of runaway code by resetting the MCU to a known state INDIVIDUAL DEVELOPMENT TOOL COMPONENTS M68MMDS0508 M68MMPFB0508 M68EM08JB8 M68CBL05C M68CBL05B M68TC08JB8P20 High-performance emulator MMEVS platform board Emulation module daughter board Low-noise flex cable Low-noise flex cable 20-pin DIP target head adapter $2950 $395 $495 $120 $120 $100 Freescale Semiconductor, Inc... LOW-VOLTAGE INHIBIT * Improves reliability by resetting the MCU when voltage drops below trip point * Integration reduces system cost M68TC08JB8FB44 M68DIP20SOIC M68DIP28SOIC M68TQS044SAG1 M68TQP044SAM01 44-pin QFP target head adapter 20-pin SOIC-DW target head adapter 28-pin SOIC-DW target head adapter 44-pin TQ socket with guides 44-pin TQPACK $250 $50 $50 $50 $70 UP TO 37 BIDIRECTIONAL INPUT/OUTPUT (I/O) LINES * High sink/source capability on all I/O pins * 25 mA sink capability on two I/O pins * Keyboard scan with selectable interrupts on eight I/O pins * High-current capable I/O allows direct drive of LED and other circuits to eliminate external drivers and reduce system costs * Keyboard scan with programmable pullups eliminate external glue logic when interfacing to simple keypads APPLICATION NOTES * AN1831/D Using MC68HC908 On-Chip Programming Routines * AN2093/D Creating Efficient C Code for the MC68HC08 * 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 * AN1259/D System Design and Layout Techniques for Noise Reduction in MCU-Based Systems * AN1263/D Designing for Electromagnetic Compatibility with Single-Chip Microcontrollers * AN1050/D Designing for Electromagnetic Compatibility (EMC) with HCMOS Microcontrollers * AN1705/D Noise Reduction Techniques for Microcontroller-Based Systems And many more--see our Web site at http://www.motorola.com/mcu PACKAGE OPTIONS PART NUMBER MC68HC908JB8JP MC68HC908JB8ADW MC68HC908JB8FB MC68HC908JB8JDW PACKAGE 20 DIP 28 SOIC 44 QFP 20 SOIC TEMPERATURE RANGE 0 to 70C 0 to 70C 0 to 70C 0 to 70C SAMPLE PACKS KMC908JB8ADW KMC908JB8FB PACKAGE 28 SOIC 44 QFP TEMPERATURE RANGE 0 to 70C 0 to 70C 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. (c) Motorola, Inc. 2002 * All prices are manufacturer's suggested resale for North America. More For 68HC908JB8PB/D Information On This Product, Rev. 1 Go to: www.freescale.com |
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