参数资料
型号: AT83C5112
厂商: Atmel Corp.
英文描述: 8-bit Microcontroller with A/D Converter
中文描述: 8位微控制器与A / D转换器
文件页数: 47/97页
文件大小: 1229K
代理商: AT83C5112
47
AT8xC5112
4191B
8051
04/03
Figure 19.
ADC Description
Figure 20 shows the timing diagram of a complete conversion. For simplicity, the figure
depicts the waveforms in idealized form and does not provide precise timing informa-
tion. For ADC characteristics and timing parameters refer to the Section
AC
Characteristics
of the AT8xC5112 datasheet.
Figure 20.
Timing Diagram
Note:
Tsetup = 4 us
AIN0/P4.0
AIN1/P4.1
AIN2/P4.2
AIN3/P4.3
AIN4/P4.4
AIN5/P4.5
AIN6/P4.6
AIN7/P4.7
000
001
010
011
100
101
110
111
SCH2
ADCON.2
SCH0
ADCON.0
SCH1
ADCON.1
CONV_CK
ADEN
ADCON.5
ADSST
ADCON.3
ADEOC
ADCON.4
ADC
Interrupt
Request
EADC
IE1.1
CONTROL
AVSS
Sample and Hold
ADDH
Vref
R/2R DAC
8
10
+
-
ADDL
2
SAR
ADCIN
VAGND
VADREF
ADEN
ADCON.5
ADEN
ADSST
ADEOC
T
SETUP
T
CONV
CONV_CK
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