MB95120MB Series
The following general-purpose registers are provided:
General-purpose registers: 8-bit data storage registers
The general-purpose registers are 8 bits and located in the register banks on the memory. 1-bank contains 8
registers. Up to a total of 32 banks can be used on the MB95120MB series. The bank currently in use is indicated
by the register bank pointer (RP).8-register. Up to a total of 32 banks can be used on the MB95120MB series.
The bank currently in use is specified by the register bank pointer (RP), and the lower 3 bits of OP code indicates
the general-purpose register 0 (R0) to general-purpose register 7 (R7).
• Register Bank Configuration
8-bit
1F8H
This address = 0100H + 8 × (RP)
Address 100H
R0
R1
R0
R1
R0
R1
R2
R3
R4
R5
R6
R7
R2
R3
R4
R5
R6
R7
R2
R3
R4
R5
R6
R7
1FFH
Bank 31
107H
32 banks
32 banks (RAM area)
The number of banks is
limited by the usable RAM
capacitance.
Bank 0
Memory area
25
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