Features • M68HC11 CPU • Power Saving STOP and WAIT Modes • 8 KBytes ROM • 512 Bytes of On-Chip EEPROM • 256 Bytes of On-Chip RAM (All Saved During Standby) 16-Bit Timer System • -3 Input Capture Channels -5 Output Compare Channels • 8-Bit Pulse Accumulator • Real-Time Interrupt Circuit • Computer Operating Properly (COP) Watchdog System • Synchronous Serial Peripheral Interface (SPI) • Asynchronous Nonreturn to Zero (NRZ) Serial Communications Interface (SCI) • 8-Channel, 8-Bit Analog-to-Digital (A/D) Converter • 38 General-Purpose Input/Output (I/O) Pins 15 Bidirectional I/O Pins 11 Input-Only Pins and 12 Output-Only Pins (Eight Output-Only Pins in 48-Pin Package) • Available in 48-Pin Dual In-Line Package (DIP) or 52-Pin Plastic Leaded Chip Carrier (PLCC)