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EM73201BK 参数 Datasheet PDF下载

EM73201BK图片预览
型号: EM73201BK
PDF下载: 下载PDF文件 查看货源
内容描述: 4位微控制器的通用产品 [4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT]
分类和应用: 微控制器
文件页数/大小: 30 页 / 205 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM73201  
4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT  
**** SYMBOL DESCRIPTION  
Symbol  
Description  
H register  
Program counter  
Symbol  
Description  
L register  
Data pointer  
HR  
PC  
LR  
DP  
SP  
Stack pointer  
STACK[SP]  
FLAG  
ZF  
Stack specified by SP  
All flags  
ACC  
Accumulator  
CF  
SF  
Carry flag  
Status flag  
Zero flag  
General flag  
GF  
IL  
EI  
MASK  
Enable interrupt register  
Interrupt mask  
Timer/counter A  
Interrupt latch  
Port ( address : p )  
Timer/counter B  
PORT[p]  
ΤΒ  
ΤΑ  
RAM[HL]  
ROM[DP]L  
[DP]L  
[DP]H  
Data memory (address : HL )  
Low 4-bit of program memory  
Low 4-bit of data pointer register  
RAM[x]  
ROM[DP]H  
[DP]M  
Data memory (address : x )  
High 4-bit of program memory  
Middle 4-bit of data pointer register  
Low 4-bit of timer/counter A  
(timer/counter B) register  
High 4-bit of timer/counter A  
(timer/counter B) register  
Exchange  
High 4-bit of data pointer register [TA]L([TB]L)  
[TA]M([TB]M)  
Middle 4-bit of timer/counter A  
(timer/counter B) register  
Transfer  
[TA]H([TB]H)  
+
Addition  
Logic AND  
-
Substraction  
Logic OR  
Inverse operation  
&
^
Logic XOR  
Concatenation  
'
.
#k  
y
4-bit immediate data  
4-bit zero-page address  
Bit address  
x
8-bit RAM address  
4-bit or 5-bit port address  
6-bit interrupt latch  
Contents of bit assigned by bit  
1 to 0 of LR  
p
b
r
PC11-6  
a5-0  
Bit 11 to 6 of program counter  
Bit 5 to 0 of destination address for  
branch instruction  
LR 1-0  
LR3-2  
Bit 3 to 2 of LR  
* This specification are subject to be changed without notice.  
7.20.1999 30  
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