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参数资料
| 型号： | ADC0841CCV |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | ADC |
| 英文描述： | 8-Bit P Compatible A/D Converter |
| 中文描述： | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQCC20 |
| 封装： | PLASTIC, CC-20 |
| 文件页数： | 12/16页 |
| 文件大小： | 380K |
| 代理商： | ADC0841CCV |
Applications Information
(Continued)
SAMPLE PROGRAM FOR ADC0841— NSC800 INTERFACE
0010
NCONV
EQU
16
;TWICE THE NUMBER OF REQUIRED
;CONVERSIONS
;DELAY 60 μsec CONVERSION
;THE BOARD ADDRESS
;START OF RAM FOR A/D
;DATA
;DATA
000F
001F
3C00
DEL
CS
ADDTA
EQU
EQU
EQU
15
1FH
003CH
0000'
0001'
0003'
0005'
0008'
000B'
000D'
00
0E 1F
06 16
21 0000'
11 003C
ED A3
EB
DTA:
START:
DB
LD
LD
LD
LD
OUTI
EX
08H
C,CS
B,NCONV
HL,DTA
DE,ADDTA
STCONV:
;START A CONVERSION
;HL=RAM ADDRESS FOR THE
;A/D DATA
DE,HL
000E'
0010'
0011'
0014'
3E 0F
3D
C2 0013'
ED A2
LD
DEC
JP
INI
A,DEL
A
NZ,WAIT
WAIT:
;WAIT 60 μsec FOR THE
;CONVERSION TO FINISH
;STORE THE A/D’S DATA
;THE REQUIRED CONVERSIONS
COMPLETED
0016'
0017'
EB
C2 000E'
EX
JP
DE,HL
NZ,STCONV
;IF NOT GOTO STCONV
END
Note 12:
A conversion is started, then a 60 μs wait for the A/D to complete a conversion and the data is stored at address ADDTA for the first conversion,
ADDTA + 1 for the second conversion, etc. for a total of 8 conversions.
I/O Interface to NSC800
DS008557-21
www.national.com
12
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| ADC0844 | 8-Bit uP Compatible A/D Converters with Multiplexer Options |
| ADC0844BCN | 8-Bit uP Compatible A/D Converters with Multiplexer Options |
| ADC0844CCJ | 8-Bit uP Compatible A/D Converters with Multiplexer Options |
| ADC0844CCN | 8-Bit uP Compatible A/D Converters with Multiplexer Options |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADC0841CCV/A+ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 8-Bit |
| ADC0841CCV/B+ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 8-Bit |
| ADC0841CJ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 8-Bit |
| ADC0844 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit uP Compatible A/D Converters with Multiplexer Options |
| ADC0844BCJ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:IC-8-BIT ADC |
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