ST72321AR9-Auto STMicroelectronics, ST72321AR9-Auto Datasheet - Page 175

• Manufacturer Part Number: ST72321AR9-Auto
• Description: 8-bit MCU for automotive with 60 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
• Manufacturer: STMicroelectronics

Specifications of ST72321AR9-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

ST72321xx-Auto
17.6.2
Table 92.
Data register (ADCDRH)
Table 93.
ADCDRH
Bit
3:0 CH[3:0]
Bit
7:0
5
4
7
ADON
Name
Name
D[9:2]
-
ADCCSR register description (continued)
ADCDRH register description
A/D Converter on
Reserved. Must be kept cleared
Channel Selection
MSB of Converted Analog Value
This bit is set and cleared by software.
0: Disable ADC and stop conversion
1: Enable ADC and start conversion
These bits are set and cleared by software. They select the analog input to convert.
0000: Channel pin = AIN0
0001: Channel pin = AIN1
0010: Channel pin = AIN2
0011: Channel pin = AIN3
0100: Channel pin = AIN4
0101: Channel pin = AIN5
0110: Channel pin = AIN6
0111: Channel pin = AIN7
1000: Channel pin = AIN8
1001: Channel pin = AIN9
1010: Channel pin = AIN10
1011: Channel pin = AIN11
1100: Channel pin = AIN12
1101: Channel pin = AIN13
1110: Channel pin = AIN14
1111: Channel pin = AIN15
Note: The number of channels is device dependent. Refer to the device pinout
description.
6
5
Doc ID 13829 Rev 1
4
D[9:2]
RO
Function
Function
3
2
10-bit A/D converter (ADC)
Reset value: 0000 0000 (00h)
1
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