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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)