M306V2ME Datasheet, PDF (15/276 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M306V2ME-XXXFP
M306V2EEFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
2.2 Central Processing Unit (CPU)
The CPU has a total of 13 registers shown in Figure 2.2.1. Seven of these registers (R0, R1, R2, R3, A0,
A1, and FB) come in two sets; therefore, these have two register banks.
b15
b8 b7
b0
R0^(Note)
H
L
b15
b8 b7
b0
R1^(Note)
H
L
b19
PC
b15
R2^(Note)
Data
registers
b0
b19
INTB H
L
b15
b0
R3^(Note)
b15
USP
b0
Program counter
b0
Interrupt table
register
b0
User stack pointer
b15
A0^(Note)
b15
A1^(Note)
b15
FB^(Note)
b0
Address
b0
registers
b0
Frame base
registers
b15
ISP
b15
SB
b15
FLG
b0
Interrupt stack
pointer
b0
Static base
register
b0
Flag register
IPL
Note: These registers consist of two register banks.
Figure 2.2.1 Central processing unit register
U I OB S Z D C
Rev. 1.0
15