STM32W108HBU64TR STMicroelectronics, STM32W108HBU64TR Datasheet - Page 160

• Manufacturer Part Number: STM32W108HBU64TR
• Description: 16/32-BITS MICROS
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32W108HBU64TR

• Applications: RF4CE, Remote Control
• Core Processor: ARM® Cortex-M3™
• Program Memory Type: FLASH (128 kB)
• Controller Series: STM32W
• Ram Size: 8K x 8
• Interface: I²C, SPI, UART/USART
• Number Of I /o: 18
• Voltage - Supply: 1.18 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-VFQFN Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Analog-to-digital converter
11.1.6
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ADC configuration register
The ADC configuration register (ADC_CFG) sets up most of the ADC operating parameters.
Input
The analog input of the ADC can be chosen from various sources. The analog input is
configured with the ADC_MUXP and ADC_MUXN bits within the ADC_CFG register.
Table 28
Table 28.
1. Denotes bits ADC_MUXP or ADC_MUXN in register ADC_CFG.
Table 29
Table 29.
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC1
ADC3
ADC_MUXn
ADC P input
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
shows the possible input selections.
shows the typical configurations of ADC inputs.
ADC inputs
Typical ADC input configurations
(1)
Analog source at ADC
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
No connection
No connection
GND
VREF/2
VREF
1V8 VREG/2
No connection
No connection
No connection
No connection
VREF/2
VREF/2
VREF/2
VREF/2
VREF/2
VREF/2
ADC0
ADC2
ADC N input
Doc ID 16252 Rev 8
PB5
PB6
PB7
PC0
PA4
PA5
Internal connection Calibration
Internal connection Calibration
Internal connection Calibration
Internal connection Supply monitoring and calibration
ADC_MUXP
GPIO pin
0
1
2
3
4
5
1
3
STM32W108CB, STM32W108HB
ADC_MUXN
9
9
9
9
9
9
0
2
Purpose
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Differential
Differential
Purpose