Features

• M68HC11 Central Processing Unit (CPU)

• Power Saving STOP and WAIT Modes

• 24 Kbytes of ROMlEPROM

• 640 Bytes of On-Chip Electrically Erasable Programmable ROM (EEPROM)

• 768 Bytes of On-Chip RAM, AII Saved During Standby

1 Mbyte 01 Address Space, Using On-Chip Memory Mapping Logic

• Nonmultiplexed Address and Data Buses

• Four Programmable Chip Selects (Expanded Modes)

• Enhanced 16-Bit Timer System

• 8-Bit Pulse Accumulator

• Four 8-Bit Pulse-Width Modulation (PWM) Outputs

• Real-Time Interrupt Circuit

• Computer Operating Properly (COP) Watchdog

• Enhanced Asynchronous Nonreturn to Zero (NRZ) Serial Communications

Interface (SCI+)

• Enhanced Synchronous Serial Peripheral Interface (SPI)

• 8-Channel 8-Bit Analog-to-Digital (A/D) Converter

• Available in 84-Pin Plastic Leaded Chip Carrier (PLCC), 84-Pin Windowed

Cerquad, or 80-Pin Ouad Flat Pack (OFP)