參數(shù)資料
型號(hào): M30201M4-114FP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述: 單片16位CMOS微機(jī)
文件頁數(shù): 11/159頁
文件大?。?/td> 2319K
代理商: M30201M4-114FP
Unde
CPU
deeopmen
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
11
Central Processing Unit (CPU)
The CPU has a total of 13 registers shown in Figure 1.9. Seven of these registers (R0, R1, R2, R3, A0, A1,
and FB) come in two sets; therefore, these have two register banks.
(1) Data registers (R0, R0H, R0L, R1, R1H, R1L, R2, and R3)
Data registers (R0, R1, R2, and R3) are configured with 16 bits, and are used primarily for transfer and
arithmetic/logic operations.
Registers R0 and R1 each can be used as separate 8-bit data registers, high-order bits as (R0H, R1H),
and low-order bits as (R0L, R1L). In some instructions, registers R2 and R0, as well as R3 and R1 can
use as 32-bit data registers (R2R0, R3R1).
(2) Address registers (A0 and A1)
Address registers (A0 and A1) are configured with 16 bits, and have functions equivalent to those of data
registers. These registers can also be used for address register indirect addressing and address register
relative addressing.
In some instructions, registers A1 and A0 can be combined for use as a 32-bit address register (A1A0).
Figure 1.9. Central processing unit register
AAAAAA
AAAAAA
AAAAAA
H
L
R0
(Note)
AAAAAA
b15
b8
b7
R1
(Note)
R2
(Note)
AAAAAA
AAAAAA
AAAAAA
R3
(Note)
AAAAAA
b15
A0
(Note)
AAAAAA
AAAAAA
AAAAAA
A1
(Note)
AAAAAA
b15
FB
(Note)
AAAAAA
AAAAAA
Data
registers
Address
registers
Frame base
registers
b15
b0
b15
b0
b15
b0
b15
b0
b0
b19
b0
b19
H
L
Program counter
Interrupt table
register
User stack pointer
Interrupt stack
pointer
Static base
register
Flag register
PC
INTB
USP
ISP
SB
FLG
Note: These registers consist of two register banks.
B
O
I
U
AAAAAAAAAAAAA
AAAAAAAAAAAAA
IPL
S
D
Z
C
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