MB90480/485 Series
■ F2MC-16L CPU PROGRAMMING MODEL
•Dedicated registers
AH
AL
Accumulator
USP
SSP
PS
User stack pointer
System stack pointer
Processor status
Program counter
PC
DPR
Direct page register
PCB
DTB
USB
SSB
ADB
Program bank register
Data bank register
User stack bank register
System stack bank register
Additional data bank register
8-bit
16-bit
32-bit
•General purpose registers
MSB
LSB
16-bit
000180H + RP × 10H
RW0
RW1
RW2
RW3
RL0
RL1
R1
R0
R2
R4
R6
RW4
RW5
RW6
RW7
RL2
RL3
R3
R5
R7
•Processor status
15
13 12
8 7
0
PS
ILM
RP
CCR
23