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Features

Features include:

? High-performance M68HC08 architecture

? Fully upward-compatible object code with M6805, M146805, and M68HC05

Families

? 8.4-MHz internal bus frequency

? 32,256 bytes of read-only memory (ROM)

? ROM data security

? 512 bytes of on-chip electrically erasable programmable read-only memory

(EEPROM)

? 1024 bytes of on-chip random-access memory (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)

? System protection features:

– Computer operating properly (COP) with optional reset

– Low-voltage detection with optional reset

– Illegal opcode detection with optional reset

– Illegal address detection with optional reset

? Low-power design (fully static with stop and wait modes)

? Master reset pin and power-on reset

Features of the CPU08 include:

? Enhanced HC05 programming model

? Extensive loop control functions

? 16 addressing modes (eight more than the HC05)

? 16-bit index register and stack pointer

? Memory-to-memory data transfers

? Fast 8 × 8 multiply instruction

? Fast 16/8 divide instruction

? Binary-coded decimal (BCD) instructions

? Optimization for controller applications

? C language support