Features
M68HC11 Central Processing Unit (CPU)
• Power Saving STOP and WAIT Modes
768 Bytes RAM in MC68HC11 KA4, 1024 Bytes RAM in MC68HC11KA2 (Saved During Standby)
• 640 Bytes Electrically Erasable Programmable ROM (EEPROM)
• 24 Kbytes ROM/EPROM, 32 Kbytes ROM/EPROM in MC68HC11KA2
PROG Mode AlIows Use of Standard EPROM Programmer (27256 Footprint)
Nonmultiplexed Address and Data Buses
• Enhanced 16-8il Timer with Four-Stage Programmable Prescaler
- Three Input Capture (IC) Channe!s
- Four Output Compare (OC) Channels
- One Additiona! Channel, Selectable as Fourth IC or Fifth OC
8-Bit Pulse Accumulator
Four 8-8it or Two 16-8it Pulse-Width Modulation (PWM) Timer Channels
Real-Time Interrupt Circuit
Computer Operating Properly (COP) Watchdog
Enhanced Asynchronous Nonreturn to Zero (NRZ) Serial Communications Interface (SCI)
• Enhanced Synchronous Serial Peripheral Interface (SP!)
• Eight-Channel 8-8it Analog-to-Digital (AlD) Converter (Four Channels on 64-Pin Version)
Seven Bidirectional InpuVOutp바 (110) Ports (43 Pins)
• One Fixed Input-Only Port (8 Pins, 4 Pins on 64-Pin Version)
Availab!e in 68-Pin Plastic Leaded Chip Carrier (Custom ROM/OTPROM), 68-Pin Windowed
Ceramic Leaded Chip Carrier (EPROM), or 64-Pin Quad Flat Pack(Custom ROM/OTPROM)