MB89490 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 32 banks can be used on the MB89490 series. The bank currently in use is
indicated by the register bank pointer (RP).
Register Bank Configuration
This address = 0100H + 8 × (RP)
R0
R1
R2
R3
R4
R5
R6
R7
Memory area
32 banks
20