MiTAC 8355 service manual Memory, Timer, Interface

8355 N/B MAINTENANCE

•Instruction length: 2 or 4 bytes

•Register-register arithmetic and logic operations

•MOV instruction for data transfer between registers and memory

Instruction set features

•Multiply instruction (8 bits x 8 bits)

•Divide instruction (16 bits ÷8 bits)

•Bit-accumulator instructions

•Register-indirect specification of bit positions

Memory

1. 60-kbytes ROM with 2-kbytes RAM

Timer

One 16-bit free running timer

Two 8-bit timers

Two PWM timers (duty cycle 0-100%, resolution: 1/250)

One Watchdog timer

Interface

Two Serial Communication Interfaces

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