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參數(shù)資料
| 型號(hào)： | MB95F128JB |
| 廠商： | Fujitsu Limited |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT SINGLE CHIP MICROCONTROLLERS |
| 中文描述： | 8位單晶片微控制器 |
| 文件頁數(shù)： | 23/80頁 |
| 文件大小： | 1488K |
| 代理商： | MB95F128JB |
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MB95120MB Series
23
2.
Register
The MB95120MB series has two types of registers; dedicated registers in the CPU and general-purpose registers
in the memory. The dedicated registers are as follows:
Program counter (PC)
: A 16-bit register to indicate locations where instructions are stored.
Accumulator (A)
: A 16-bit register for temporary storage of arithmetic operations. In the case of
an 8-bit data processing instruction, the lower 1 byte is used.
Temporary accumulator (T)
: A 16-bit register which performs arithmetic operations with the accumulator.
In the case of an 8-bit data processing instruction, the lower 1 byte is used.
Index register (IX)
: A 16-bit register for index modification
Extra pointer (EP)
: A 16-bit pointer to point to a memory address.
Stack pointer (SP)
: A 16-bit register to indicate a stack area.
Program status (PS)
: A 16-bit register for storing a register bank pointer, a direct bank pointer, and
a condition code register
The PS can further be divided into higher 8 bits for use as a register bank pointer (RP) and a direct bank pointer
(DP) and the lower 8 bits for use as a condition code register (CCR) . (Refer to the diagram below.)
PC
AL
TL
AH
TH
IX
EP
SP
PS
16-bit
: Program counter
: Accumulator
: Temporary accumulator
: Index register
: Extra pointer
: Stack pointer
: Program status
Initial Value
FFFD
H
0000
H
0000
H
0000
H
0000
H
0000
H
0030
H
PS
RP
CCR
bit 15 bit 14 bit 13 bit 12 bit 11 bit 10
bit 9
bit 8
DP2
DP1
DP0
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R4
R3
R2
R1
R0
H
I
IL1
IL0
N
Z
V
C
DP
Structure of the program status
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| MB95F128JBPF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Microcontrollers |
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| MB95F128JBPMC-GE1 | 制造商:FUJITSU 功能描述:8-bit Microcontrollers |
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