ST72324LK2 STMicroelectronics, ST72324LK2 Datasheet - Page 100
ST72324LK2
Manufacturer Part Number
ST72324LK2
Description
3V RANGE 8-BIT MCU WITH 8 TO 32K FLASH/ROM, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE
Manufacturer
STMicroelectronics
Datasheet
1.ST72324LK2.pdf
(154 pages)
Specifications of ST72324LK2
Hdflash Endurance
100 cycles, data retention
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator, and bypass for external clock
Four Power Saving Modes
Halt, Active-Halt, Wait and Slow
Main Clock Controller With
Real time base, Beep and Clock-out capabilities
16-bit Timer A With
1 input capture, 1 output compare, external clock input, PWM and pulse generator modes
16-bit Timer B With
2 input captures, 2 output compares, PWM and pulse generator modes
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ST72324Lxx
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.
Figure 54. ADC Block Diagram
100/154
1
f
CPU
AIN0
AINx
AIN1
DIV 2
DIV 4
ANALOG
MUX
EOC SPEED ADON
4
ADCDRH
0
1
f
ADC
0
ADCDRL
CH3
D9
CH2
D8
10.6.2 Main Features
■
■
■
■
■
■
The block diagram is shown in
CH1
D7
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)
0
CH0
D6
0
D5
ADCCSR
0
D4
0
ANALOG TO DIGITAL
D3
CONVERTER
0
D2
0
Figure
D1
54.
D0
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