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參數(shù)資料
| 型號： | M37754S4CGP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 16BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片16位微機的CMOS |
| 文件頁數(shù)： | 9/114頁 |
| 文件大?。?/td> | 1116K |
| 代理商： | M37754S4CGP |
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9
MITSUBISHI MICROCOMPUTERS
M37754M8C-XXXGP, M37754M8C-XXXHP
M37754S4CGP, M37754S4CHP
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
CENTRAL PROCESSING UNIT (CPU)
The CPU has ten registers and is shown in Figure 3. Each of these
registers is described below.
ACCUMULATOR A (A)
Accumulator A is the main register of the microcomputer. It consists
of 16 bits and the low-order 8 bits can be used separately. The data
length flag m determines whether the register is used as 16-bit regis-
ter or as 8-bit register. It is used as a 16-bit register when flag m is “0”
and as an 8-bit register when flag m is “1”. Flag m is a part of the pro-
cessor status register (PS) which is described later.
Data operations such as calculations, data transfer, input/output,
etc., is executed mainly through the accumulator.
ACCUMULATOR B (B)
Accumulator B has the same functions as accumulator A, but the use
of accumulator B requires more instruction bytes and execution
cycles than accumulator A.
INDEX REGISTER X (X)
Index register X consists of 16 bits and the low-order 8 bits can be
used separately. The index register length flag x determines whether
the register is used as 16-bit register or as 8-bit register. It is used as
a 16-bit register when flag x is “0” and as an 8-bit register when flag
x is “1”. Flag x is a part of the processor status register (PS) which is
described later.
In index addressing mode, register X is used as the index register
and the contents of this address is added to obtain the real address.
Index register X functions as a pointer register which indicates an
address of data table in instructions MVP, MVN, RMPA (Repeat
MultiPly and Accumulate).
INDEX REGISTER Y (Y)
Index register Y consists of 16 bits and the low-order 8 bits can be
used separately. The index register length flag x determines whether
the register is used as 16-bit register or as 8-bit register. It is used as
a 16-bit register when flag x is “0” and as an 8-bit register when flag x
is “1”. Flag x is a part of the processor status register (PS) which is
described later.
In index addressing mode, register Y is used as the index register
and the contents of this address is added to obtain the real address.
Index register Y functions as a pointer register which indicates an
address of data table in instructions MVP, MVN, RMPA (Repeat
MultiPly and Accumulate).
15
7
0
15
7
0
15
7
0
15
7
0
15
0
15
0
15
0
15
0
7
0
0
0
0
0
IPL
2
IPL
1
IPL
0
N V m x
D
I
Z C
DPR
PC
S
Y
H
Y
L
X
H
X
L
B
H
B
L
A
H
A
L
Accumulator A
Accumulator B
Index register X
Index register Y
Stack pointer S
Program counter PC
Direct page register DPR
Processor status register PS
Carry flag
Zero flag
Interrupt disable flag
Decimal mode flag
Index register length flag
Data length flag
Overflow flag
Negative flag
Processor interrupt priority level IPL
7
0
7
0
PG
Program bank register PG
Data bank register DT
DT
Fig. 3 Register structure
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PDF描述 |
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| M37754S4CHP | SINGLE-CHIP 16BIT CMOS MICROCOMPUTER |
| M37754 | SINGLE-CHIP 16BIT CMOS MICROCOMPUTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37754S4CHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M3775PR-H400CL | 制造商:Bonitron 功能描述:OVERVOLTAGE BRAKING RESISTOR |
| M3775RK-0.75A | 制造商:Bonitron 功能描述:OVERVOLTAGE BRAKING RESISTOR |
| M3775RK-C0.50A | 制造商:Bonitron 功能描述:OVERVOLTAGE BRAKING RESISTOR |
| M3775RK-C0.50B | 制造商:Bonitron 功能描述:OVERVOLTAGE BRAKING RESISTOR |
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