ST72F521AR9TC STMicroelectronics, ST72F521AR9TC Datasheet - Page 155

• Manufacturer Part Number: ST72F521AR9TC
• Description: IC MCU 8BIT 60K FLASH 64-TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F521AR9TC

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: CAN, I²C, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TQFP, 64-VQFP
• For Use With: 497-6453 - BOARD EVAL BASED ON ST7LNBX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

10.9 10-BIT A/D CONVERTER (ADC)
10.9.1 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 83. ADC Block Diagram
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
10.9.2 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
ST72F521, ST72521B
D2
0
Figure
D1
83.
D0
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