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參數(shù)資料
| 型號(hào)： | MB89627RPFM |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Dual Positive-Edge-Triggered D-type Flip-Flops With Clear And Preset 20-LCCC -55 to 125 |
| 中文描述： | 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | PLASTIC, QFP-64 |
| 文件頁數(shù)： | 25/61頁 |
| 文件大小： | 915K |
| 代理商： | MB89627RPFM |
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25
MB89620R Series
2. Registers
The F
2
MC-8L family has two types of registers; dedicated registers in the CPU and general-purpose registers
in the memory. The following dedicated registers are provided:
Program counter (PC):
A 16-bit register for indicating instruction storage positions
Accumulator (A):
A 16-bit temporary register for storing arithmetic operations, etc. When the
instruction is an 8-bit data processing instruction, the lower byte is used.
Temporary accumulator (T): A 16-bit register which performs arithmetic operations with the accumulator
When the instruction is an 8-bit data processing instruction, the lower byte is used.
Index register (IX):
A 16-bit register for index modification
Extra pointer (EP):
A 16-bit pointer for indicating a memory address
Stack pointer (SP):
A 16-bit register for indicating a stack area
Program status (PS):
A 16-bit register for storing a register pointer, a condition code
The PS can further be divided into higher 8 bits for use as a register bank pointer (RP) and the lower 8 bits for
use as a condition code register (CCR). (See the diagram below.)
PC
A
T
IX
EP
SP
PS
16 bits
: Program counter
: Accumulator
: Temporary accumulator
: Index register
: Extra pointer
: Stack pointer
: Program status
FFFD
H
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
I-flag = 0, IL1, 0 = 11
The other bit values are indeterminate.
Initial value
Structure of the Program Status Register
Vacancy
H
I
IL1, 0
N
Z
V
C
5
4
RP
PS
10
9
8
7
6
3
2
1
0
15
14
13
12
11
RP
CCR
Vacancy Vacancy
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB89627RP-SH | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89628R | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89628RPF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89628RP-SH | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89629R | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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