参数资料
型号: ST6200CM6/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO16
封装: 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-16
文件页数: 44/100页
文件大小: 3849K
代理商: ST6200CM6/XXX
ST6200C ST6201C ST6203C
48/100
Doc ID 4563 Rev 5
8.3 A/D CONVERTER (ADC)
8.3.1 Introduction
The on-chip Analog to Digital Converter (ADC) pe-
ripheral is a 8-bit, successive approximation con-
verter. This peripheral has multiplexed analog in-
put channels (refer to device pin out description)
that allow the peripheral to convert the analog volt-
age levels from different sources.
The result of the conversion is stored in a 8-bit
Data Register. The A/D converter is controlled
through a Control Register.
8.3.2 Main Features
8-bit conversion
Multiplexed analog input channels
Linear successive approximation
Data register (DR) which contains the results
End of Conversion flag
On/Off bit (to reduce consumption)
Typical conversion time 70 s (with an 8 MHz
crystal)
The block diagram is shown in Figure 28.
Figure 28. ADC Block Diagram
Note: ADC not present on some devices. See device summary on page 1.
OSC
AD
EAI EOC STA PDS
ADCR
AIN0
AIN1
ANALOG TO DIGITAL
CONVERTER
AINx
PORT
MUX
ADR2 ADR1
ADR3
ADR7 ADR6 ADR5 ADR4
ADR0
ADR
DIV 12
fADC
fINT
DDRx
ORx
DRx
I/O PORT
OFF
CR3
AD
CR1
AD
CR0
1
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