參數(shù)資料
型號(hào): ADC0848
廠商: National Semiconductor Corporation
元件分類: 串行ADC
英文描述: 8-Bit uP Compatible A/D Converters with Multiplexer Options
中文描述: 8位的兼容的A / D轉(zhuǎn)換器和多路復(fù)用器選項(xiàng)
文件頁數(shù): 16/20頁
文件大?。?/td> 467K
代理商: ADC0848
Applications Information
(Continued)
SAMPLE PROGRAM FOR ADC0844— INS8039 INTERFACE
CONVERTING TWO RATIOMETRIC, DIFFERENTIAL SIGNALS
ORG
JMP
ORG
MOV
0H
BEGIN
10H
R1,
#
0FFH
0000
04 10
;START PROGRAM AT ADDR 10
;MAIN PROGRAM
;LOAD R1 WITH A UNUSED ADDR
;LOCATION
;A/D DATA ADDRESS
;SET PORT 1 OUTPUTS HIGH
;LOAD THE ACC WITH A/D MUX DATA
;CH1 AND CH2 DIFFERENTIAL
;CALL THE CONVERSION SUBROUTINE
;LOAD THE ACC WITH A/D MUX DATA
;CH3 AND CH4 DIFFERENTIAL
;INCREMENT THE A/D DATA ADDRESS
;CALL THE CONVERSION SUBROUTINE
0010
B9 FF
BEGIN:
0012
0014
0016
B8 20
89 FF
23 00
MOV
ORL
MOV
R0,
#
20H
P1,
#
0FFH
A,00H
0018
001A
14 50
23 02
CALL
MOV
CONV
A,
#
02H
001C
001D
18
14 50
INC
CALL
R0
CONV
;CONTINUE MAIN PROGRAM
;CONVERSION SUBROUTINE
;ENTRY:ACC— A/D MUX DATA
;EXIT: ACC— CONVERTED DATA
ORG
ANL
MOVX
IN
50H
P1,
#
0FEH
@
R1,A
A,P1
0050
0052
0053
99 FE
91
09
CONV:
;CHIP SELECT THE A/D
;LOAD A/D MUX & START CONVERSION
;INPUT INTR STATE
LOOP:
ADC0844— INS8039 Interface
DS005016-27
www.national.com
16
相關(guān)PDF資料
PDF描述
ADC0848BCN 8-Bit uP Compatible A/D Converters with Multiplexer Options
ADC0848BCV 8-Bit uP Compatible A/D Converters with Multiplexer Options
ADC0848CCN 8-Bit uP Compatible A/D Converters with Multiplexer Options
ADC0848CCV 8-Bit uP Compatible A/D Converters with Multiplexer Options
ADC084S021 4 Channel, 200 kSPS, 12-Bit A/D Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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ADC0848BCV/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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