參數(shù)資料
型號(hào): ML2280
廠商: Fairchild Semiconductor Corporation
元件分類: 串行ADC
英文描述: Serial I/O 8-Bit A/D Converters(串行輸入/輸出的8位A/D轉(zhuǎn)換器)
中文描述: 串行I / O 8位A / D轉(zhuǎn)換器(串行輸入/輸出的8位的A / D轉(zhuǎn)換器)
文件頁(yè)數(shù): 14/21頁(yè)
文件大?。?/td> 322K
代理商: ML2280
ML2280, ML2283
14
REV. 1.0 10/10/2000
CH0
ML2283
8051
P1
3
P1
2
P1
1
P1
0
CS
CLK
DI
DO
CH3
MNEMONIC
INSTRUCTION
START:
ANL
MOV
MOV
P1, #0F7H
B, #5
A, #ADDR
;SELECT A/D (CS = 0)
;BIT COUNTER
5
;A
MUX BIT
LOOP 1: RRC
A
ONE
;CY
ADDRESS BIT
;TEST BIT
;BIT = 0
JC
ZERO:
ANL
SJMP
P1, #0FEH
CONT
;DI
0
;CONTINUE
;BIT = 1
ONE:
ORL
P1, #1
;D1
1
CONT:
ACALL
DJNZ
ACALL
MOV
PULSE
B, LOOP 1
PULSE
B, #8
;PULSE SK 0
1
0
;CONTINUE UNTIL DONE
;EXTRA CLOCK FOR SYNC
;BIT COUNTER
8
LOOP 2: ACALL
PULSE
A, P1
A
A
A, C
A
C, A
B, LOOP 2
;PULSE SK 0
1
0
;CY
DO
MOV
RRC
RRC
MOV
RLC
MOV
DJNZ
;A
RESULT
;A(0) BIT
AND SHIFT
;C
RESULT
;CONTINUE UNTIL DONE
RETI
;PULSE SUBROUTINE
PULSE:
ORL
NOP
ANL
RET
P1, #04
;SK
1
;DELAY
;SK
0
P1, #0FBH
8051 Interface and Controlling Software
APPLICATIONS
相關(guān)PDF資料
PDF描述
ML2283 Serial I/O 8-Bit A/D Converters(串行輸入/輸出的8位A/D轉(zhuǎn)換器)
ML2281 Serial I/O 8-Bit A/D Converters with Multiplexer Options(多路轉(zhuǎn)換器可選的串行輸入/輸出的8位A/D轉(zhuǎn)換器)
ML2282 Serial I/O 8-Bit A/D Converters with Multiplexer Options(多路轉(zhuǎn)換器可選的串行輸入/輸出的8位A/D轉(zhuǎn)換器)
ML2284 Serial I/O 8-Bit A/D Converters with Multiplexer Options(多路轉(zhuǎn)換器可選的串行輸入/輸出的8位A/D轉(zhuǎn)換器)
ML2288 Serial I/O 8-Bit A/D Converters with Multiplexer Options(多路轉(zhuǎn)換器可選的串行輸入/輸出的8位A/D轉(zhuǎn)換器)
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