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參數(shù)資料
| 型號： | MB2146-301A |
| 廠商： | Fujitsu Limited |
| 英文描述： | 8-bit Proprietary Microcontrollers |
| 中文描述： | 8位微控制器專有 |
| 文件頁數(shù)： | 19/69頁 |
| 文件大?。?/td> | 832K |
| 代理商： | MB2146-301A |
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MB95100B Series
19
2.
Register
The MB95100B 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
A
T
IX
EP
SP
PS
: Program counter
16-bit
: 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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相關(guān)代理商/技術(shù)參數(shù) |
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| MB2146-302A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontrollers |
| MB2146-303 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontrollers |
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| MB2146-401 | 制造商:FUJITSU 功能描述:KIT EVALUATION BOARD 8FX FAMILY |
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