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STM32F334C8U6TR bảng dữ liệu(PDF) 30 Page - STMicroelectronics

tên linh kiện STM32F334C8U6TR
Giải thích chi tiết về linh kiện  Arm®Cortex®-M4 32b MCUFPU,up to 64KB Flash,16KB SRAM, 2 ADCs,3 DACs,3 comp.,op-amp, 217ps 10-ch (HRTIM1)
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F334C8U6TR bảng dữ liệu(HTML) 30 Page - STMicroelectronics

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Functional overview
STM32F334x4 STM32F334x6 STM32F334x8
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DS9994 Rev 9
variation introduced by the finger (or any conductive object) is measured using a proven
implementation based on a surface charge transfer acquisition principle. It consists of
charging the electrode capacitance and then transferring a part of the accumulated charges
into a sampling capacitor, until the voltage across this capacitor has reached a specific
threshold. To limit the CPU bandwidth usage this acquisition is directly managed by the
hardware touch sensing controller and only requires few external components to operate.
The touch sensing controller is fully supported by the STMTouch touch sensing firmware
library, which is free to use and allows touch sensing functionality to be implemented reliably
in the end application.
Table 10. Capacitive sensing GPIOs available on STM32F334x4/6/8 devices
Group
Capacitive sensing group name
Pin name
1
TSC_G1_IO1
PA0
TSC_G1_IO2
PA1
TSC_G1_IO3
PA2
TSC_G1_IO4
PA3
2
TSC_G2_IO1
PA4
TSC_G2_IO2
PA5
TSC_G2_IO3
PA6
TSC_G2_IO4
PA7
3
TSC_G3_IO1
PC5
TSC_G3_IO2
PB0
TSC_G3_IO3
PB1
TSC_G3_IO4
PB2
4
TSC_G4_IO1
PA9
TSC_G4_IO2
PA10
TSC_G4_IO3
PA13
TSC_G4_IO4
PA14
5
TSC_G5_IO1
PB3
TSC_G5_IO2
PB4
TSC_G5_IO3
PB6
TSC_G5_IO4
PB7
6
TSC_G6_IO1
PB11
TSC_G6_IO2
PB12
TSC_G6_IO3
PB13
TSC_G6_IO4
PB14



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