Features

Features include:

• M68HC11 CPU

• Power-saving stop and wait modes

• 512 bytes of RAM

• Multiplexed address and data buses

• Enhanced 16-bit timer with 4-stage programmable prescaler

– Three input capture (IC) channels

– Four output compare (OC) channels

– One additional channel, selectable as fourth IC or fifth OC

• 8-bit pulse accumulator

• Real-time interrupt circuit

• Computer operating properly (COP) watchdog

• Clock monitor

• Enhanced asynchronous non-return-to-zero (NRZ) SCI

• Enhanced SPI

• Eight bidirectional input/output (I/O) lines

• Three input-only lines

• Three output-only lines (one output-only line in 40-pin package)

• Packaging options:

– 44-pin plastic-leaded chip carrier (PLCC)

– 44-pin quad flat pack (QFP)

– 40-pin plastic dual in-line package (DIP)