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MB89983

8-bit Proprietary Microcontrolle

Fujitsu 

MB89980 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. Up to a total of 16 banks can be used on the MB89983 (RAM 256 × 8 bits). Up to a total of 32

banks can be used on the MB89P985 and MB89PV980 (RAM 512 × 8 bits). 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 Configuraiton

This address = 0100H + 8 × (RP)

R0

R1

R2

R3

R4

R5

R6

R7

Memory area

1166bbaannkkss((MMBB8899196833))

3322bbaannkkss((MMBB88991P6958)5 and MB89PV980)

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