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參數(shù)資料
| 型號： | ADC0833 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 8-Bit Serial I/O A/D Converter with 4-Channel Multiplexer |
| 中文描述： | 8位串行I /辦公自動化/ D的4通道多路復用器 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 316K |
| 代理商： | ADC0833 |
Applications
(Continued)
Digital Link and Sample Controlling Software for the
Serially Oriented COP420 and the Bit Programmable I/O INS8048
TL/H/5607–10
COP CODING EXAMPLE
Mnemonic
LEI
SC
OGI
CLR A
AISC 1
XAS
Instruction
ENABLES SIO’s INPUT AND OUTPUT
C
e
1
G0
e
0 (CS
e
0)
CLEARS ACCUMULATOR
LOADS ACCUMULATOR WITH 1
EXCHANGES SIO WITH ACCUMULATOR
AND STARTS SK CLOCK
LOADS MUX ADDRESS FROM RAM
INTO ACCUMULATOR
D
LOADS MUX ADDRESS FROM
ACCUMULATOR TO SIO REGISTER
LDD
NOP
XAS
u
8 INSTRUCTIONS
v
XAS
READS HIGH ORDER NIBBLE (4 BITS)
INTO ACCUMULATOR
PUTS HIGH ORDER NIBBLE INTO RAM
CLEARS ACCUMULATOR
C
e
0
READS LOW ORDER NIBBLE INTO
ACCUMULATOR AND STOPS SK
PUTS LOW ORDER NIBBLE INTO RAM
G0
e
1 (CS
e
1)
DISABLES SIO’s INPUT AND OUTPUT
XIS
CLR A
RC
XAS
XIS
OGI
LEI
8048 CODING EXAMPLE
Mnemonic
ANL
MOV
MOV
Instruction
START:
P1,
Y
0F7H
B,
Y
5
A,
Y
ADDR
A
ONE
;SELECT A/D (CS
e
0)
;BIT COUNTER
5
;A
MUX ADDRESS
;CY
w
ADDRESS BIT
;TEST BIT
;BIT
e
0
LOOP 1: RRC
JC
ZERO:
ANL
JMP
P1,
Y
0FEH ;DI
w
0
CONT
;CONTINUE
;BIT
e
1
;DI
w
1
;PULSE SK 0
x
1
x
0
;CONTINUE UNTIL DONE
;EXTRA CLOCK FOR SYNC
;BIT COUNTER
;PULSE SK 0
1
x
0
;CY
DO
ONE:
CONT:
ORL
CALL
DJNZ B, LOOP 1
CALL
PULSE
MOV
B,
Y
8
PULSE
IN
A, P1
RRC
A
RRC
A
MOV
A, C
RLC
A
MOV
C, A
DJNZ B, LOOP 2
P1,
Y
1
PULSE
LOOP 2: CALL
;A
w
;A(0)
w
BIT AND SHIFT
;C
RESULT
;CONTINUE UNTIL DONE
RETR
;PULSE SUBROUTINE
;SK
1
;DELAY
PULSE:
ORL
NOP
ANL
RET
P1,
Y
04
P1,
Y
0FBH ;SK
0
14
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ADC0833BCN | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit Serial I/O A/D Converter with 4-Channel Multiplexer |
| ADC0833BCN/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 8-Bit |
| ADC0833BCN/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 8-Bit |
| ADC0833CCJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit Serial I/O A/D Converter with 4-Channel Multiplexer |
| ADC0833CCN | 制造商: 功能描述: 制造商:undefined 功能描述: |
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