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STM32F051K6U6 Datasheet(PDF) 20 Page - STMicroelectronics |
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STM32F051K6U6 Datasheet(HTML) 20 Page - STMicroelectronics |
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20 / 40 page ![]() Functional overview STM32F051x 20/22 Doc ID 018746 Rev 2 3.16 High-definition multimedia interface (HDMI) - consumer electronics control (CEC) The device embeds a HDMI-CEC controller that provides hardware support for the Consumer Electronics Control (CEC) protocol (Supplement 1 to the HDMI standard). This protocol provides high-level control functions between all audiovisual products in an environment. It is specified to operate at low speeds with minimum processing and memory overhead. It has a clock domain independent from the CPU clock, allowing the HDMI_CEC controller to wakeup the MCU from Stop mode on data reception. 3.17 General-purpose inputs/outputs (GPIOs) Each of the GPIO pins can be configured by software as output (push-pull or open-drain), as input (with or without pull-up or pull-down) or as peripheral alternate function. Most of the GPIO pins are shared with digital or analog alternate functions. The I/O configuration can be locked if needed following a specific sequence in order to avoid spurious writing to the I/Os registers. 3.18 Touch sensing controller (TSC) The device has an embedded independent hardware controller (TSC) for controlling touch sensing acquisitions on the I/Os. Up to 18 touch sensing electrodes can be controlled by the TSC. The touch sensing I/Os are organized in 6 acquisition groups, with up to 4 I/Os in each group. Table 8. Capacitive sensing GPIOs available on STM32F051x devices Group Capacitive sensing signal name Pin name Group Capacitive sensing signal name Pin name 1 TSC_G1_IO1 PA0 4 TSC_G4_IO1 PA9 TSC_G1_IO2 PA1 TSC_G4_IO2 PA10 TSC_G1_IO3 PA2 TSC_G4_IO3 PA11 TSC_G1_IO4 PA3 TSC_G4_IO4 PA12 2 TSC_G2_IO1 PA4 5 TSC_G5_IO1 PB3 TSC_G2_IO2 PA5 TSC_G5_IO2 PB4 TSC_G2_IO3 PA6 TSC_G5_IO3 PB6 TSC_G2_IO4 PA7 TSC_G5_IO4 PB7 3 TSC_G3_IO1 PB0 6 TSC_G6_IO1 PB11 TSC_G3_IO2 PB1 TSC_G6_IO2 PB12 TSC_G3_IO3 PB2 TSC_G6_IO3 PB13 TSC_G3_IO4 PC5 TSC_G6_IO4 PB14 |
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