Features

Features include the following:

High-performance M68HC08 architecture

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

8.4-MHz internal bus frequency at 125°C

MSCAN08 controller (scalable CAN) (implementing CAN 2.0b protocol as defined in BOSCH

specification September, 1991)

Available in 64-pin quad flat pack (QFP)

32,256 bytes user read-only memory (ROM)

User ROM data security(1)

512 bytes of on-chip electrically erasable programmable read-only memory (EEPROM) with

security feature

1 Kbyte of on-chip random-access memory (RAM)

Serial peripheral interface (SPI) module

Serial communications interface (SCI) module

16-bit timer interface module (TIMA) with six input capture/output compare channels

16-bit timer interface module (TIMB) with two input capture/output compare channels

Programmable interrupt timer (PIT)

Clock generator module (CGM)

8-bit, 15-channel analog-to-digital convertor (ADC)

5-bit keyboard interrupt module (KBI)

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 (POR)

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