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參數(shù)資料
| 型號： | M37754M8C-XXXHP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 40 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 0.50 MM PITCH, FINE PITCH, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 104/114頁 |
| 文件大小： | 1116K |
| 代理商： | M37754M8C-XXXHP |
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9
MITSUBISHI MICROCOMPUTERS
M37754M8C-XXXGP, M37754M8C-XXXHP
M37754S4CGP, M37754S4CHP
PRELIMINAR
Y
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
7
0
00000 IPL2 IPL1 IPL0 N V mx D
I
ZC
DPR
PC
S
YH
YL
XH
XL
BH
BL
AH
AL
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
70
PG
Program bank register PG
Data bank register DT
DT
Fig. 3 Register structure
相關PDF資料 |
PDF描述 |
|---|---|
| M37754S4CHP | 16-BIT, 40 MHz, MICROCONTROLLER, PQFP100 |
| M37754S4CHP | 16-BIT, 40 MHz, MICROCONTROLLER, PQFP100 |
| M37754M8C-XXXGP | 16-BIT, MROM, 40 MHz, MICROCONTROLLER, PQFP100 |
| M37777E9AGS | 16-BIT, UVPROM, 16 MHz, MICROCONTROLLER, CQCC100 |
| M34550M6A-XXXFP | 4-BIT, MROM, 1.6 MHz, MICROCONTROLLER, PQFP80 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M37754S4CGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16BIT CMOS MICROCOMPUTER |
| 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 |
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