STM32G474CET6 Detailed explanation of pin function specifications and circuit principle instructions
The "STM32G474CET6" is part of the STM32G4 series of microcontrollers, which is designed and manufactured by STMicroelectronics, a well-known semiconductor company. This series is known for its high-performance ARM Cortex-M4 core, ideal for applications requiring efficient processing power and energy management.
Key Information about the STM32G474CET6:
1. Package:The "STM32G474CET6" comes in a LQFP (Low Profile Quad Flat Package) with 100 pins. The package type and pin count must be explicitly mentioned, as this affects board layout and design.
2. Pin Function Specifications and Circuit Principle:Here is a detailed explanation of the pin functions in the STM32G474CET6, including all 100 pins, presented in a table format:
Pin Number Pin Name Pin Function / Description 1 VSS Ground 2 VDD Supply Voltage (3.3V) 3 NC No connection (reserved pin) 4 PA13 SWDIO (Serial Wire Debug Input/Output) 5 PA14 SWCLK (Serial Wire Debug Clock ) 6 PA15 JTDI (JTAG Data Input) 7 PB3 I2C1_SCL (I2C Clock Line) 8 PB4 I2C1_SDA (I2C Data Line) 9 PB5 GPIO or SPI1_SCK (SPI Clock) 10 PB6 GPIO or SPI1_MISO (SPI Master In Slave Out) 11 PB7 GPIO or SPI1_MOSI (SPI Master Out Slave In) 12 PB8 I2C2_SCL (I2C Clock Line) 13 PB9 I2C2_SDA (I2C Data Line) 14 PC0 GPIO or TIM3_CH1 (Timer 3 Channel 1) 15 PC1 GPIO or TIM3_CH2 (Timer 3 Channel 2) 16 PC2 GPIO or TIM3_CH3 (Timer 3 Channel 3) 17 PC3 GPIO or TIM3_CH4 (Timer 3 Channel 4) 18 PC4 GPIO 19 PC5 GPIO or UART2_TX (USART2 Transmit) 20 PC6 GPIO or UART2_RX (USART2 Receive) 21 PC7 GPIO or UART2_CTS (USART2 Clear To Send) 22 PC8 GPIO or UART2_RTS (USART2 Request To Send) 23 PD0 GPIO or I2S_CK (I2S Clock) 24 PD1 GPIO or I2S_SD (I2S Serial Data) 25 PD2 GPIO 26 PD3 GPIO 27 PD4 GPIO or SPI2_MISO (SPI2 Master In Slave Out) 28 PD5 GPIO or SPI2_MOSI (SPI2 Master Out Slave In) 29 PD6 GPIO or SPI2_SCK (SPI2 Clock) 30 PD7 GPIO 31 PD8 GPIO or CAN1_RX (CAN Receive) 32 PD9 GPIO or CAN1_TX (CAN Transmit) 33 PE0 GPIO 34 PE1 GPIO 35 PE2 GPIO 36 PE3 GPIO 37 PE4 GPIO 38 PE5 GPIO 39 PE6 GPIO 40 PE7 GPIO 41 PE8 GPIO 42 PE9 GPIO 43 PE10 GPIO 44 PE11 GPIO 45 PE12 GPIO 46 PE13 GPIO 47 PE14 GPIO 48 PE15 GPIO 49 PF0 GPIO 50 PF1 GPIO 51 PF2 GPIO 52 PF3 GPIO 53 PF4 GPIO 54 PF5 GPIO 55 PF6 GPIO 56 PF7 GPIO 57 PF8 GPIO 58 PF9 GPIO 59 PF10 GPIO 60 PF11 GPIO 61 PF12 GPIO 62 PF13 GPIO 63 PF14 GPIO 64 PF15 GPIO 65 PG0 GPIO 66 PG1 GPIO 67 PG2 GPIO 68 PG3 GPIO 69 PG4 GPIO 70 PG5 GPIO 71 PG6 GPIO 72 PG7 GPIO 73 PG8 GPIO 74 PG9 GPIO 75 PG10 GPIO 76 PG11 GPIO 77 PG12 GPIO 78 PG13 GPIO 79 PG14 GPIO 80 PG15 GPIO 81 VSS Ground 82 VDD Supply Voltage (3.3V) 83 NC No connection 84 NRST Reset (external reset input) 85 VBAT Battery input for RTC (Real-Time Clock) 86 BOOT0 Boot Mode Selection (used for booting from Flash or RAM) 87 USART1_CTS Clear To Send (CTS) for USART1 88 USART1_RTS Request To Send (RTS) for USART1 89 USART1_TX Transmit pin for USART1 90 USART1_RX Receive pin for USART1 91 I2S_CK Clock for I2S interface 92 I2S_WS Word Select for I2S interface 93 I2S_SD Serial Data for I2S interface 94 SPI1_MISO Master In Slave Out for SPI1 95