IC MCU 16K FLASH 6MHz USB 32LQFP
Introduction
The MC68HC908JB16 is a member of the low-cost, high-performance M68HC08 Family of 8-bit microcontroller units MCUs. The M68HC08 Family is based on the customer-specified integrated circuit CSIC design strategy.
Features
Features of the MC68HC908JB16 MCU include the following:
• High-performance M68HC08 architecture
• Fully upward-compatible object code with M6805, M146805, and M68HC05 families
• Low-power design; fully static with stop and wait modes
• 6-MHz internal bus frequency
• 16,384 bytes of on-chip FLASH memory with security1 feature
• 384 bytes of on-chip random access memory RAM
• Up to 21 general-purpose input/output I/O pins, including:
– 15 shared-function I/O pins
– 8-bit keyboard interrupt port
– 10mA high current drive for PS/2 connection on 2 pins with USB module disabled
– 1 dedicated I/O pin, with 25mA direct drive for infrared LED 32-pin package
– 6 dedicated I/O pins, with 25mA direct drive for infrared LED on 2 pins and 10mA direct drive for normal LED on 4 pins 28-pin package
• Two 16-bit, 2-channel timer interface modules TIM1 and TIM2 with selectable input capture, output compare, PWM capability on each channel, and external clock input option TCLK
• Universal Serial Bus specification 2.0 low-speed functions:
– 1.5Mbps 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
• Serial communications interface module SCI
• Dual clock generator modules CGM 32-pin package
• In-circuit programming capability using USB communication or standard serial link on PTA0 pin
• System protection features:
– Optional computer operating properly COP reset
– Optional Low-voltage detection with reset
– Illegal opcode detection with reset
– Illegal address detection with reset
• Master reset pin with internal pull-up and power-on reset
• IRQinterrupt pin with internal pull-up and schmitt-trigger input
• 32-pin low-profile quad flat pack LQFP and 28-pin small outline integrated circuit package SOIC