參數(shù)資料
型號: ST72324BLK4BA/XXX
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封裝: 0.400 INCH, PLASTIC, SDIP-32
文件頁數(shù): 3/151頁
文件大?。?/td> 1209K
代理商: ST72324BLK4BA/XXX
ST72F324L, ST72324BL
100/151
10.6 10-BIT A/D CONVERTER (ADC)
10.6.1 Introduction
The on-chip Analog to Digital Converter (ADC) pe-
ripheral is a 10-bit, successive approximation con-
verter with internal sample and hold circuitry. This
peripheral has up to 16 multiplexed analog input
channels (refer to device pin out description) that
allow the peripheral to convert the analog voltage
levels from up to 16 different sources.
The result of the conversion is stored in a 10-bit
Data Register. The A/D converter is controlled
through a Control/Status Register.
10.6.2 Main Features
10-bit conversion
Up to 16 channels with multiplexed input
Linear successive approximation
Data register (DR) which contains the results
Conversion complete status flag
On/off bit (to reduce consumption)
The block diagram is shown in Figure 53.
Figure 53. ADC Block Diagram
CH2
CH1
EOC SPEED ADON
0
CH0
ADCCSR
AIN0
AIN1
ANALOG TO DIGITAL
CONVERTER
AINx
ANALOG
MUX
D4
D3
D5
D9
D8
D7
D6
D2
ADCDRH
4
DIV 4
fADC
fCPU
D1
D0
ADCDRL
0
1
0
00
CH3
DIV 2
1
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