參數(shù)資料
型號(hào)： MB89PV630
廠商： Electronic Theatre Controls, Inc.
英文描述： Automotive Catalog Power-Distribution Switch 8-SOIC -40 to 85
中文描述： 8位微控制器專有
文件頁(yè)數(shù)： 22/59頁(yè)
文件大?。?/td> 864K
代理商： MB89PV630
MB89630R Series
22
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 the 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): A16-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):
A16-bit register for index modification
Extra pointer (EP):
A16-bit pointer for indicating a memory address
Stack pointer (SP):
A16-bit register for indicating a stack area
Program status (PS):
A16-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
I-flag = 0, IL1, IL0 = 11
The other bit values are indeterminate.
Initial value
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Structure of the program status register
VacancyVacancyVacancy
H
I
IL1, IL0
N
Z
V
C
5
4
RP
PS
10
9
8
7
6
3
2
1
0
15
14
13
12
11
RP
CCR
相關(guān)PDF資料
PDF描述
MB89PV630C-SH 8-bit Proprietary Microcontroller
MB89PV630CF 8-bit Proprietary Microcontroller
MB89636R Quadruple 2-Input Positive-NAND Gates 14-CDIP -55 to 125
MB89636RP-SH 8-bit Proprietary Microcontroller
MB89636RPF 8-bit Proprietary Microcontroller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB89PV630CF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89PV630C-SH 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-bit Proprietary Microcontroller
MB89PV640CF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89PV650A 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89PV650ACF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
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