68HC12 查看數據表（PDF） - Motorola => Freescale

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68HC12

16-bit microcontroller unit (MCU)

Motorola => Freescale 

General Description

Features

• 16-bit CPU12

– Upward compatible with M68HC11 instruction set

– Interrupt stacking and programmer’s model identical to

M68HC11

– 20-bit ALU

– Instruction queue

– Enhanced indexed addressing

• Multiplexed bus

– Single chip or expanded

– 16 address/16 data wide or 16 address/8 data narrow mode

• Memory

– 128K byte flash EEPROM, made of four 32K byte modules

with 8K bytes protected BOOT section in each module

(68HC912DG128 only)

– 128K byte ROM (68HC12DG128 only)

– 2K byte EEPROM

– 8K byte RAM, made of two 4K byte modules with Vstby in each

module.

• Analog-to-digital converters

– 2 times x 8-channels, 10-bit resolution

• Two 1M bit per second, CAN 2.0 A, B software compatible

modules each with:

– Two receive and three transmit buffers

– Flexible identifier filter programmable as 2 x 32 bit, 4 x 16 bit or

8 x 8 bit

– Four separate interrupt channels for Rx, Tx, error and wake-up

– Low-pass filter wake-up function

– Loop-back for self test operation

68HC(9)12DG128 Rev 1.0

12

General Description

2-gen

MOTOROLA

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