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STM32F302CCT7
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSTM32F302CCT7
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
STM32F302CCT7 from STMicroelectronics, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VBAT | power_in | Backup power supply that feeds the RTC and backup registers. |
| 2 | PC13 | bidirectional | Standard 3.3 V I/O supplied through the power switch, which sinks only 3 mA, so output speed must not exceed 2 MHz with a 30 pF load and it must not be used as a current source; alternate functions include TIM1_CH1N, WKUP2, RTC_TAMP1, RTC_TS and RTC_OUT. |
| 3 | PC14/OSC32_IN | bidirectional | Standard 3.3 V I/O supplied through the power switch (3 mA limit, same output restrictions as PC13), also used as OSC32_IN for the 32 kHz oscillator. |
| 4 | PC15/OSC32_OUT | bidirectional | Standard 3.3 V I/O supplied through the power switch (3 mA limit, same output restrictions as PC13), also used as OSC32_OUT for the 32 kHz oscillator. |
| 5 | PF0/OSC_IN | bidirectional | 5 V tolerant FTf I/O (Fast-mode-plus capable) that is used as OSC_IN; alternate functions include I2C2_SDA and TIM1_CH3N. |
| 6 | PF1/OSC_OUT | bidirectional | 5 V tolerant FTf I/O (Fast-mode-plus capable) that is used as OSC_OUT; alternate function includes I2C2_SCL. |
| 7 | NRST | bidirectional | Device reset input / internal reset output, active low, with an embedded weak pull-up resistor. |
| 8 | VSSA/VREF- | power_in | Analog ground and negative reference voltage. |
| 9 | VDDA/VREF+ | power_in | Analog power supply (2 to 3.6 V for the analog peripherals) and positive reference voltage; on the 48-pin package VREF+ is internally connected to VDDA. |
| 10 | PA0 | bidirectional | 3.3 V tolerant TTa I/O connected directly to ADC1 (fast ADC channel IN1), with alternate functions USART2_CTS, TIM2_CH1_ETR, TSC_G1_IO1 and COMP1_OUT. |
| 11 | PA1 | bidirectional | 3.3 V tolerant TTa I/O connected directly to ADC1 (fast ADC channel IN2), with reduced touch sensing sensitivity; alternate functions include USART2_RTS_DE, TIM2_CH2, TSC_G1_IO2 and TIM15_CH1N. |
| 12 | PA2 | bidirectional | 3.3 V tolerant TTa I/O connected directly to ADC1 (fast ADC channel IN3), with reduced touch sensing sensitivity; alternate functions include USART2_TX, TIM2_CH3, TIM15_CH1 and COMP2_OUT. |
| 13 | PA3 | bidirectional | 3.3 V tolerant TTa I/O connected directly to ADC1 (fast ADC channel IN4); alternate functions include USART2_RX, TIM2_CH4, TIM15_CH2 and TSC_G1_IO4. |
| 14 | PA4 | bidirectional | 3.3 V tolerant TTa I/O connected to ADC2_IN1 and DAC1_OUT1, with reduced touch sensing sensitivity; alternate functions include SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK and TIM3_CH2. |
| 15 | PA5 | bidirectional | 3.3 V tolerant TTa I/O connected to ADC2_IN2, with reduced touch sensing sensitivity; alternate functions include SPI1_SCK, TIM2_CH1_ETR and TSC_G2_IO2. |
| 16 | PA6 | bidirectional | 3.3 V tolerant TTa I/O connected to ADC2_IN3, with reduced touch sensing sensitivity; alternate functions include SPI1_MISO, TIM3_CH1, TIM1_BKIN, TIM16_CH1 and COMP1_OUT. |
| 17 | PA7 | bidirectional | 3.3 V tolerant TTa I/O connected to ADC2_IN4 (fast ADC channel); alternate functions include SPI1_MOSI, TIM3_CH2, TIM17_CH1, TIM1_CH1N and COMP2_OUT. |
| 18 | PB0 | bidirectional | 3.3 V tolerant TTa I/O; alternate functions include TIM3_CH3, TIM1_CH2N and TSC_G3_IO2, and it also serves COMP4_INP. |
| 19 | PB1 | bidirectional | 3.3 V tolerant TTa I/O (fast ADC channel) with reduced touch sensing sensitivity; alternate functions include TIM3_CH4, TIM1_CH3N, COMP4_OUT and TSC_G3_IO3. |
| 20 | PB2 | bidirectional | 3.3 V tolerant TTa I/O connected to ADC2_IN12, also serving COMP4_INM; alternate function includes TSC_G3_IO4. |
| 21 | PB10 | bidirectional | 3.3 V tolerant TTa I/O; alternate functions include USART3_TX, TIM2_CH3 and TSC_SYNC. |
| 22 | PB11 | bidirectional | 3.3 V tolerant TTa I/O; alternate functions include USART3_RX, TIM2_CH4 and TSC_G6_IO1, and it also serves COMP6_INP. |
| 23 | VSS | power_in | Digital ground. |
| 24 | VDD | power_in | Digital power supply, 2.0 to 3.6 V. |
| 25 | PB12 | bidirectional | 3.3 V tolerant TTa I/O (fast ADC channel) with reduced touch sensing sensitivity; alternate functions include SPI2_NSS/I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN and TSC_G6_IO2. |
| 26 | PB13 | bidirectional | 3.3 V tolerant TTa I/O (fast ADC channel); alternate functions include SPI2_SCK/I2S2_CK, USART3_CTS, TIM1_CH1N and TSC_G6_IO3. |
| 27 | PB14 | bidirectional | 3.3 V tolerant TTa I/O (fast ADC channel); alternate functions include SPI2_MISO/I2S2ext_SD, USART3_RTS_DE, TIM1_CH2N, TIM15_CH1 and TSC_G6_IO4. |
| 28 | PB15 | bidirectional | 3.3 V tolerant TTa I/O (fast ADC channel); alternate functions include SPI2_MOSI/I2S2_SD, TIM1_CH3N, RTC_REFIN, TIM15_CH1N and TIM15_CH2, and it also serves COMP6_INM. |
| 29 | PA8 | bidirectional | 5 V tolerant FT I/O; alternate functions include MCO, I2C2_SMBA, I2S2_MCK, USART1_CK, TIM1_CH1 and TIM4_ETR. |
| 30 | PA9 | bidirectional | 5 V tolerant FTf I/O (Fast-mode-plus capable); alternate functions include I2C2_SCL, I2S3_MCK, USART1_TX, TIM1_CH2, TIM2_CH3, TIM15_BKIN and TSC_G4_IO1. |
| 31 | PA10 | bidirectional | 5 V tolerant FTf I/O (Fast-mode-plus capable); alternate functions include I2C2_SDA, USART1_RX, TIM1_CH3, TIM2_CH4, TIM17_BKIN, TSC_G4_IO2 and COMP6_OUT. |
| 32 | PA11 | bidirectional | 5 V tolerant FT I/O; alternate functions include USART1_CTS, USB_DM, CAN_RX, TIM1_CH1N, TIM1_CH4, TIM1_BKIN2, TIM4_CH1 and COMP1_OUT. |
| 33 | PA12 | bidirectional | 5 V tolerant FT I/O; alternate functions include USART1_RTS_DE, USB_DP, CAN_TX, TIM1_CH2N, TIM1_ETR, TIM4_CH2, TIM16_CH1 and COMP2_OUT. |
| 34 | PA13 | bidirectional | 5 V tolerant FT I/O; alternate functions include SWDIO-JTMS, USART3_CTS, TIM4_CH3, TIM16_CH1N, TSC_G4_IO3 and IR_OUT. |
| 35 | VSS | power_in | Ground. |
| 36 | VDD | power_in | Digital power supply, 2.0 to 3.6 V. |
| 37 | PA14 | bidirectional | 5 V tolerant FTf I/O (Fast-mode-plus capable); alternate functions include I2C1_SDA, USART2_TX, TIM1_BKIN, TSC_G4_IO4 and SWCLK-JTCK. |
| 38 | PA15 | bidirectional | 5 V tolerant FTf I/O (Fast-mode-plus capable); alternate functions include JTDI, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX, TIM1_BKIN and TIM2_CH1_ETR. |
| 39 | PB3 | bidirectional | 5 V tolerant FT I/O; alternate functions include JTDO-TRACESWO, SPI3_SCK/I2S3_CK, SPI1_SCK, USART2_TX, TIM2_CH2, TIM3_ETR, TIM4_ETR and TSC_G5_IO1. |
| 40 | PB4 | bidirectional | 5 V tolerant FT I/O; alternate functions include NJTRST, SPI3_MISO/I2S3ext_SD, SPI1_MISO, USART2_RX, TIM3_CH1, TIM16_CH1, TIM17_BKIN and TSC_G5_IO2. |
| 41 | PB5 | bidirectional | 5 V tolerant FT I/O; alternate functions include SPI3_MOSI/I2S3_SD, SPI1_MOSI, I2C1_SMBA, USART2_CK, TIM16_BKIN, TIM3_CH2 and TIM17_CH1. |
| 42 | PB6 | bidirectional | 5 V tolerant FTf I/O (Fast-mode-plus capable); alternate functions include I2C1_SCL, USART1_TX, TIM16_CH1N, TIM4_CH1 and TSC_G5_IO3. |
| 43 | PB7 | bidirectional | 5 V tolerant FTf I/O (Fast-mode-plus capable); alternate functions include I2C1_SDA, USART1_RX, TIM3_CH4, TIM4_CH2, TIM17_CH1N and TSC_G5_IO4. |
| 44 | BOOT0 | input | Dedicated BOOT0 pin used for boot memory selection. |
| 45 | PB8 | bidirectional | 5 V tolerant FTf I/O (Fast-mode-plus capable); alternate functions include I2C1_SCL, CAN_RX, TIM16_CH1, TIM4_CH3, TIM1_BKIN, TSC_SYNC and COMP1_OUT. |
| 46 | PB9 | bidirectional | 5 V tolerant FTf I/O (Fast-mode-plus capable); alternate functions include I2C1_SDA, CAN_TX, TIM17_CH1, TIM4_CH4, IR_OUT and COMP2_OUT. |
| 47 | VSS | power_in | Ground. |
| 48 | VDD | power_in | Digital power supply, 2.0 to 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
STM32F302CCT7 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32f302cct7-etched.step/stm32f302cct7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f302cct7.step/stm32f302cct7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (145 pp, sha256
10a072d58aca58c4, retrieved 2026-10-10, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).