ST72F324BJ STMICROELECTRONICS [STMicroelectronics], ST72F324BJ Datasheet - Page 123
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ST72F324BJ
Manufacturer Part Number
ST72F324BJ
Description
8-bit MCU, 3.8 to 5.5 V operating range with 8 to 32 Kbyte Flash/ROM, 10-bit ADC, 4 timers, SPI, SCI
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST72F324BJ.pdf
(188 pages)
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ST72324B
10.6
10.6.1
10.6.2
10-bit A/D converter (ADC)
Introduction
The on-chip analog-to-digital converter (ADC) peripheral is a 10-bit, successive
approximation converter 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.
Main features
●
●
●
●
●
●
The block diagram is shown in
Figure 61. ADC block diagram
f
CPU
AIN1
AINx
AIN0
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)
Div 2
Div 4
Analog
MUX
EOC SPEED ADON
4
0
1
Figure
f
ADCDRH
ADC
61.
0
D9
ADCDRL
CH3
D8
CH2
D7
0
CH1
D6
0
CH0
D5
0
ADCCSR
D4
0
Analog to Digital
On-chip peripherals
D3
Converter
0
D2
0
D1
123/188
D0