參數(shù)資料
型號(hào)： MB89805PFV
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 8-bit Proprietary Microcontroller
中文描述： 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, LQFP-100
文件頁(yè)數(shù)： 18/39頁(yè)
文件大?。?/td> 316K
代理商： MB89805PFV
MB89800 Series
18
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 and 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.)
16 bits
Program counter
Accumulator
Temporary accumulator
Index register
Extra pointer
Stack pointer
Program status
Initial value
FFFD
H
Undefined
Undefined
Undefined
Undefined
Undefined
I-flag
=
0, IL1, IL0
=
11
Other bits are undefined.
PS
RP
H
I
IL1, IL0
N
Z
V
C
3
2
1
0
7
6
5
4
11
10
9
8
15
14
13
12
RP
CCR
Va-
cancy
Va-
cancy
Va-
cancy
Structure of the Program Status Register
相關(guān)PDF資料
PDF描述
MB89810A 8-bit Proprietary Microcontroller
MB89816A Octal Buffers/Drivers With 3-State Outputs 20-CDIP -55 to 125
MB89816APF Octal Buffers/Drivers With 3-State Outputs 20-CFP -55 to 125
MB89817A Octal Buffers/Drivers With 3-State Outputs 20-CFP -55 to 125
MB89820 8-bit Proprietary Microcontroller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB89810A 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89816A 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89816APF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89817A 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89820 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
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