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The MC68HC08AS20 is a member of the low-cost, high-performance M68HC08 Family of 8-bit microcontroller units (MCUs). The M68HC08 Family is based on the customer-specified integrated circuit (CSIC) design strategy. All MCUs in the family use the enhanced M68HC08 central processor unit (CPU08) and are available with a variety of modules, memory sizes and types, and package types.

Features

Features of the MC68HC08AS20 include:

? High-Performance M68HC08 Architecture

? Fully Upward-Compatible Object Code with M6805, M146805, and M68HC05 Families

? 8.4-MHz Internal Bus Frequency

? 20,480 Bytes of Read-Only Memory (ROM)

? ROM Data Security

? 512 Bytes of On-Chip Electrically Erasable Programmable Read-Only Memory (EEPROM)

? 640 Bytes of On-Chip RAM

? Serial Peripheral Interface Module (SPI)

? Serial Communications Interface Module (SCI)

? 16-Bit, 6-Channel Timer Interface Module (TIM)

? Clock Generator Module (CGM)

? 8-Bit, 15-Channel Analog-to-Digital Converter Module (ADC)

? SAE J1850 Byte Data Link Controller Digital Module (BDLC–D)