STM32F051X8(2012) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
STM32F051X8
(Rev.:2012)
(Rev.:2012)
STMicroelectronics
STM32F051X8 Datasheet PDF : 104 Pages
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STM32F051x
Functional overview
components to operate. The STM32F051x devices offer up to 18 capacitive sensing
channels distributed over 6 analog I/O groups.
Table 5.
Group
1
2
3
Capacitive sensing GPIOs available on STM32F051x devices
Capacitive sensing
signal name
Pin
name
Group
Capacitive sensing
signal name
TSC_G1_IO1
TSC_G1_IO2
TSC_G1_IO3
TSC_G1_IO4
TSC_G2_IO1
TSC_G2_IO2
TSC_G2_IO3
TSC_G2_IO4
TSC_G3_IO1
TSC_G3_IO2
TSC_G3_IO3
TSC_G3_IO4
PA0
PA1
4
PA2
PA3
PA4
PA5
5
PA6
PA7
PC5
PB0
6
PB1
PB2
TSC_G4_IO1
TSC_G4_IO2
TSC_G4_IO3
TSC_G4_IO4
TSC_G5_IO1
TSC_G5_IO2
TSC_G5_IO3
TSC_G5_IO4
TSC_G6_IO1
TSC_G6_IO2
TSC_G6_IO3
TSC_G6_IO4
Pin
name
PA9
PA10
PA11
PA12
PB3
PB4
PB6
PB7
PB11
PB12
PB13
PB14
Table 6. No. of capacitive sensing channels available on STM32F051x devices
Analog I/O group
STM32F051Rx
Number of capacitive sensing channels
STM32F051Cx
STM32F051Kx
(UFQFPN32)
STM32F051Kx
(LQFP32)
G1
3
3
3
3
G2
3
3
3
3
G3
3
2
2
1
G4
3
3
3
3
G5
3
3
3
3
G6
3
3
0
0
Number of capacitive
sensing channels
18
17
14
14
Doc ID 022265 Rev 3
19/105
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