stm32f103c8t6引脚功能ADC

### STM32F103C8T6 ADC Related Pin Functions and Descriptions

For the STM32F103C8T6 microcontroller, several pins can be configured to work with the Analog-to-Digital Converter (ADC). These pins are multipurpose and their exact functionality depends on how they are set up within the device configuration. The primary ADC-related pins include:

- **PA0 to PA7**: All these pins support analog input for ADC channels 0 through 7 respectively when not used as general-purpose I/Os or other alternate functions[^1].

- **PB0 and PB1**: Similarly, these two pins also provide additional options for connecting external signals directly into the ADC converter circuitry of the chip.

To enable temperature sensing capabilities using an internal sensor connected internally via a dedicated channel inside the ADC module, one must ensure that bit 23 (`TSVREFE`) in register `ADC_CR2` is enabled so as to activate this feature specifically designed for monitoring die temperatures accurately over time without requiring any extra hardware components outside the MCU itself[^3].

// Example code snippet showing enabling TSVREFE bit in ADC_CR2 register
void EnableTemperatureSensor(void){
    ADC->CR2 |= ADC_CR2_TSVREFE;
}

The detailed information about each pin's alternative function including those associated with ADC operations could typically found under "Pinouts and pin descriptions" section followed by specific tables listing out all possible configurations available per model variant such as high-density devices like STM32F103xx series which includes C8 type mentioned here.