參數(shù)資料
型號: EM73492
廠商: ELAN Microelctronics Corp .
英文描述: 4-Bit Micro-Controller for Telecom Product(用于通訊產(chǎn)品和家用電器,工作電壓為2.2V-5.5V的4位微控制器)
中文描述: 4位微控制器的電信產(chǎn)品(用于通訊產(chǎn)品和家用電器,工作電壓為2.2伏至5.5V的4位微控制器)
文件頁數(shù): 44/44頁
文件大?。?/td> 231K
代理商: EM73492
44
EM73492
4-BIT MICRO-CONTROLLER FOR TELECOM PRODUCT
* This specification are subject to be changed without notice.
7.17.1998
**** SYMBOL DESCRIPTION
Symbol
Description
Symbol
Description
'
#k
y
b
PC
11-6
a
5-0
HR
PC
SP
A
CC
CF
SF
EI
MASK
ΤΑ
RAM[HL]
ROM[DP]
L
[DP]
L
[DP]
H
H register
Program counter
Stack pointer
Accumulator
Carry flag
Status flag
Enable interrupt register
Interrupt mask
Timer/counter A
Data memory (address : HL )
Low 4-bit of program memory
Low 4-bit of data pointer register
High 4-bit of data pointer register
LR
DP
STACK[SP]
FLAG
ZF
GF
IL
PORT[p]
ΤΒ
RAM[x]
ROM[DP]
H
[DP]
M
[TA]
L
([TB]
L
)
L register
Data pointer
Stack specified by SP
All flags
Zero flag
General flag
Interrupt latch
Port ( address : p )
Timer/counter B
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
Substraction
Logic OR
Inverse operation
4-bit immediate data
4-bit zero-page address
Bit address
Bit 11 to 6 of program counter
Bit 5 to 0 of destination address for
branch instruction
[TA]
M
([TB]
M
)
Middle 4-bit of timer/counter A
(timer/counter B) register
Transfer
Addition
Logic AND
Logic XOR
Concatenation
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
Bit 3 to 2 of LR
[TA]
H
([TB]
H
)
+
&
^
.
x
p
r
LR
1
-0
-
LR
3-2
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