General Description
The high-density CMOS technology (HCMOS) used on the MC68HC11A8 combines smaller size and higher speeds with the low power and high noise immunity of CMOS. On-chip memory systems include 8 Kbytes of ROM, 512 bytes of electrically erasable programmable ROM (EEPROM), and 256 bytes of static RAM.

FEATUREs
The following are some of the hardware and software highlights.

Hardware Features
• 8 Kbytes of ROM
• 512 Bytes of EEPROM
• 256 Bytes of RAM (All Saved During Standby) Relocatable to Any 4K Boundary
• Enhanced 16-Bit Timer System:
   — Four Stage Programmable Prescaler
   — Three Input Capture Functions
   — Five Output Compare Functions
• 8-Bit Pulse Accumulator Circuit
• Enhanced NRZ Serial Communications Interface (SCI)
• Serial Peripheral Interface (SPI)
• Eight Channel, 8-Bit Analog-to-Digital Converter
• Real Time Interrupt Circuit
• Computer Operating Properly (COP) Watchdog System
• Available in Dual-In-Line or Leaded Chip Carrier Packages

Software Features
• Enhanced M6800/M6801 Instruction Set
• 16 x 16 Integer and Fractional Divide Features
• Bit Manipulation
• WAIT Mode
• STOP Mode