Fig. 2.6 Register Bank Configuration - Fujitsu MB89140 Series Hardware Manual

CPU
HARDWARE CONFIGURATION
General-purpose registers
General-purpose registers are 8-bit long registers for storing data.
The 8-bit long general-purpose registers are in the register banks in
memory. One bank has eight registers and up to 32 banks are available for
the MB89140 series of microcontrollers, respectively. The register bank
pointer (RP) indicates the currently-used bank.
Address = 0100H + 8 (RP)
*

Fig. 2.6 Register Bank Configuration

2-8
R0
R1
R2
R3
R4
R5
R6
R7
32 banks
Memory area