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參數(shù)資料
| 型號： | MB89195 |
| 廠商： | Fujitsu Limited |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit Proprietary Microcontroller |
| 中文描述： | 8位微控制器專有 |
| 文件頁數(shù)： | 18/47頁 |
| 文件大小： | 634K |
| 代理商： | MB89195 |
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18
MB89190/190A Series
2. Registers
The F
2
MC-8L family has two types of registers; dedicated hardware registers and general-purpose memory
registers. The following dedicated registers are provided:
Program counter (PC):
A 16-bit-long register for indicating the instruction storage positions
Accumulator (A):
A 16-bit-long temporary register for arithmetic operations, etc. When the
instruction is an 8-bit data processing instruction, the lower byte is used.
Temporary accumulator (T): A 16-bit-long register which is used for 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-long register for index modification
Extra pointer (EP) :
A 16-bit-long pointer for indicating a memory address
Stack pointer (SP) :
A 16-bit-long pointer for indicating a stack area
Program status (PS) :
A 16-bit-long 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
相關PDF資料 |
PDF描述 |
|---|---|
| MB89195A | 8-bit Proprietary Microcontroller |
| MB89195AP | 8-bit Proprietary Microcontroller |
| MB89195APF | 8-bit Proprietary Microcontroller |
| MB89195P | 8-bit Proprietary Microcontroller |
| MB89195P-SH | 8-bit Proprietary Microcontroller |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MB89195A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89195AP | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89195APF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89195AP-SH | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89195P | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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