MB89P677APFM View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB89P677APFM

8-bit Proprietary Microcontroller

Fujitsu 

MB89670/A Series

The following general-purpose registers are provided:

General-purpose registers: An 8-bit register for storing data

The general-purpose registers are 8 bits and located in the register banks of the memory. One bank contains

eight registers and up to a total of 32 banks can be used on the MB89677A. On the MB89673, there are 16

banks in internal RAM. The remaining 16 banks can be extended externally by allocating an external RAM to

addresses 0180H to 01FFH using an external circuit. The bank currently in use is indicated by the register bank

pointer (RP).

Note: The number of register banks that can be used varies with the RAM size.

Register Bank Configuration

This address = 0100H + 8 × (RP)

R0

R1

R2

R3

R4

R5

R6

R7

Memory area

32 banks

24

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