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STM32F303VET6TR
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). 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
markdownSTM32F303VET6TR
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)
STM32F303VET6TR from STMicroelectronics, in a LQFP-100(14x14). 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 | PE2 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TRACECK, TIM3_CH1, TSC_G7_IO1, SPI4_SCK, TIM20_CH1, FMC_A23. |
| 2 | PE3 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TRACED0, TIM3_CH2, TSC_G7_IO2, SPI4_NSS, TIM20_CH2, FMC_A19. |
| 3 | PE4 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TRACED1, TIM3_CH3, TSC_G7_IO3, SPI4_NSS, TIM20_CH1N, FMC_A20. |
| 4 | PE5 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TRACED2, TIM3_CH4, TSC_G7_IO4, SPI4_MISO, TIM20_CH2N, FMC_A21. |
| 5 | PE6 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TRACED3, SPI4_MOSI, TIM20_CH3N, FMC_A22; additional functions WKUP3, RTC_TAMP3. |
| 6 | VBAT | power_in | Backup supply pin for the RTC and backup registers. |
| 7 | PC13 | bidirectional | Standard 3.3 V (TC) I/O supplied through the power switch (3 mA max sink), so output mode is limited to 2 MHz with 30 pF max load and no current-source use; alternate function TIM1_CH1N; additional functions WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT. |
| 8 | PC14-OSC32_IN | bidirectional | Standard 3.3 V (TC) I/O supplied through the power switch (output limited to 2 MHz, 30 pF, no current-source use); additional function OSC32_IN for the 32 kHz oscillator. |
| 9 | PC15-OSC32_OUT | bidirectional | Standard 3.3 V (TC) I/O supplied through the power switch (output limited to 2 MHz, 30 pF, no current-source use); additional function OSC32_OUT for the 32 kHz oscillator. |
| 10 | PF9 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM20_BKIN, TIM15_CH1, SPI2_SCK, FMC_CD. |
| 11 | PF10 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM20_BKIN2, TIM15_CH2, SPI2_SCK, FMC_INTR. |
| 12 | PF0-OSC_IN | input | 5 V-tolerant I/O (FTf, I2C FM+ option) used as main oscillator input OSC_IN; alternate functions I2C2_SDA, SPI2_NSS/I2S2_WS, TIM1_CH3N. |
| 13 | PF1-OSC_OUT | output | 5 V-tolerant I/O (FTf, I2C FM+ option) used as main oscillator output OSC_OUT; alternate functions I2C2_SCL, SPI2_SCK/I2S2_CK. |
| 14 | NRST | bidirectional | Device reset input/internal reset output, active low, with embedded weak pull-up resistor. |
| 15 | PC0 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate function TIM1_CH1; additional functions ADC12_IN6, COMP7_INM. |
| 16 | PC1 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate function TIM1_CH2; additional functions ADC12_IN7, COMP7_INP. |
| 17 | PC2 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_CH3, COMP7_OUT; additional function ADC12_IN8. |
| 18 | PC3 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_CH4, TIM1_BKIN2; additional function ADC12_IN9. |
| 19 | PF2 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM20_CH3, FMC_A2; additional function ADC12_IN10. |
| 20 | VSSA | power_in | Ground for the analog supply. |
| 21 | VREF+ | power_in | Positive reference voltage for the ADCs, ranging from 2 V to VDDA. |
| 22 | VDDA | power_in | Analog power supply, 2.0 V to 3.6 V for ADCs and comparators (2.4 V to 3.6 V for DAC and op-amps). |
| 23 | PA0 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM2_CH1/ETR, TSC_G1_IO1, USART2_CTS, COMP1_OUT, TIM8_BKIN/ETR; additional functions ADC1_IN1, COMP1_INM, RTC_TAMP2, WKUP1. |
| 24 | PA1 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions RTC_REFIN, TIM2_CH2, TSC_G1_IO2, USART2_RTS, TIM15_CH1N; additional functions ADC1_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP. |
| 25 | PA2 | bidirectional | 3.3 V-tolerant (TTa) I/O with reduced touch sensing sensitivity; alternate functions TIM2_CH3, TSC_G1_IO3, USART2_TX, COMP2_OUT, TIM15_CH1; additional functions ADC1_IN3, COMP2_INM, OPAMP1_VOUT. |
| 26 | PA3 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM2_CH4, TSC_G1_IO4, USART2_RX, TIM15_CH2; additional functions ADC1_IN4, OPAMP1_VINM. |
| 27 | VSS | power_in | Digital ground. |
| 28 | VDD | power_in | Digital power supply, 2.0 V to 3.6 V. |
| 29 | PA4 | bidirectional | 3.3 V-tolerant (TTa) I/O with reduced touch sensing sensitivity; alternate functions TIM3_CH2, TSC_G2_IO1, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK; additional functions ADC2_IN1, DAC1_OUT1, COMP1-7_INM, OPAMP4_VINP. |
| 30 | PA5 | bidirectional | 3.3 V-tolerant (TTa) I/O with reduced touch sensing sensitivity; alternate functions TIM2_CH1/ETR, TSC_G2_IO2, SPI1_SCK; additional functions ADC2_IN2, DAC1_OUT2, COMP1-7_INM, OPAMP1_VINP, OPAMP2_VINM, OPAMP3_VINP. |
| 31 | PA6 | bidirectional | 3.3 V-tolerant (TTa) I/O with reduced touch sensing sensitivity; alternate functions TIM16_CH1, TIM3_CH1, TSC_G2_IO3, TIM8_BKIN, SPI1_MISO, TIM1_BKIN, COMP1_OUT; additional functions ADC2_IN3, OPAMP2_VOUT. |
| 32 | PA7 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM17_CH1, TIM3_CH2, TSC_G2_IO4, TIM8_CH1N, SPI1_MOSI, TIM1_CH1N; additional functions ADC2_IN4, COMP2_INP, OPAMP1_VINP, OPAMP2_VINP. |
| 33 | PC4 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_ETR, USART1_TX; additional function ADC2_IN5. |
| 34 | PC5 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM15_BKIN, TSC_G3_IO1, USART1_RX; additional functions ADC2_IN11, OPAMP1_VINM, OPAMP2_VINM. |
| 35 | PB0 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM3_CH3, TSC_G3_IO2, TIM8_CH2N, TIM1_CH2N; additional functions ADC3_IN12, COMP4_INP, OPAMP2_VINP, OPAMP3_VINP. |
| 36 | PB1 | bidirectional | 3.3 V-tolerant (TTa) I/O with reduced touch sensing sensitivity; alternate functions TIM3_CH4, TSC_G3_IO3, TIM8_CH3N, TIM1_CH3N, COMP4_OUT; additional functions ADC3_IN1, OPAMP3_VOUT. |
| 37 | PB2 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate function TSC_G3_IO4; additional functions ADC2_IN12, COMP4_INM, OPAMP3_VINM. |
| 38 | PE7 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_ETR, FMC_D4; additional function ADC3_IN13. |
| 39 | PE8 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_CH1N, FMC_D5; additional functions ADC34_IN6, COMP4_INM. |
| 40 | PE9 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_CH1, FMC_D6; additional function ADC3_IN2. |
| 41 | PE10 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_CH2N, FMC_D7; additional function ADC3_IN14. |
| 42 | PE11 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_CH2, SPI4_NSS, FMC_D8; additional function ADC3_IN15. |
| 43 | PE12 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_CH3N, SPI4_SCK, FMC_D9; additional function ADC3_IN16. |
| 44 | PE13 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_CH3, SPI4_MISO, FMC_D10; additional function ADC3_IN3. |
| 45 | PE14 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_CH4, SPI4_MOSI, TIM1_BKIN2, FMC_D11; additional function ADC4_IN1. |
| 46 | PE15 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM1_BKIN, USART3_RX, FMC_D12; additional function ADC4_IN2. |
| 47 | PB10 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM2_CH3, TSC_SYNC, USART3_TX; additional functions COMP5_INM, OPAMP3_VINM, OPAMP4_VINM. |
| 48 | PB11 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM2_CH4, TSC_G6_IO1, USART3_RX; additional functions ADC12_IN14, COMP6_INP, OPAMP4_VINP. |
| 49 | VSS | power_in | Digital ground. |
| 50 | VDD | power_in | Digital power supply, 2.0 V to 3.6 V. |
| 51 | PB12 | bidirectional | 3.3 V-tolerant (TTa) I/O with reduced touch sensing sensitivity; alternate functions TSC_G6_IO2, I2C2_SMBAL, SPI2_NSS/I2S2_WS, TIM1_BKIN, USART3_CK; additional functions ADC4_IN3, COMP3_INM, OPAMP4_VOUT. |
| 52 | PB13 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TSC_G6_IO3, SPI2_SCK/I2S2_CK, TIM1_CH1N, USART3_CTS; additional functions ADC3_IN5, COMP5_INP, OPAMP3_VINP, OPAMP4_VINP. |
| 53 | PB14 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM15_CH1, TSC_G6_IO4, SPI2_MISO/I2S2ext_SD, TIM1_CH2N, USART3_RTS; additional functions ADC4_IN4, COMP3_INP, OPAMP2_VINP. |
| 54 | PB15 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions RTC_REFIN, TIM15_CH2, TIM15_CH1N, TIM1_CH3N, SPI2_MOSI/I2S2_SD; additional functions ADC4_IN5, COMP6_INM. |
| 55 | PD8 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions USART3_TX, FMC_D13; additional functions ADC4_IN12, OPAMP4_VINM. |
| 56 | PD9 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions USART3_RX, FMC_D14; additional function ADC4_IN13. |
| 57 | PD10 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions USART3_CK, FMC_D15; additional functions ADC34_IN7, COMP6_INM. |
| 58 | PD11 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions USART3_CTS, FMC_A16; additional functions ADC34_IN8, OPAMP4_VINP. |
| 59 | PD12 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM4_CH1, TSC_G8_IO1, USART3_RTS, FMC_A17; additional function ADC34_IN9. |
| 60 | PD13 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM4_CH2, TSC_G8_IO2, FMC_A18; additional functions ADC34_IN10, COMP5_INM. |
| 61 | PD14 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM4_CH3, TSC_G8_IO3, FMC_D0; additional functions ADC34_IN11, OPAMP2_VINP. |
| 62 | PD15 | bidirectional | 3.3 V-tolerant (TTa) I/O; alternate functions TIM4_CH4, TSC_G8_IO4, SPI2_NSS, FMC_D1; additional function COMP3_INM. |
| 63 | PC6 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM3_CH1, TIM8_CH1, I2S2_MCK, COMP6_OUT. |
| 64 | PC7 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM3_CH2, TIM8_CH2, I2S3_MCK, COMP5_OUT. |
| 65 | PC8 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM3_CH3, TIM8_CH3, COMP3_OUT. |
| 66 | PC9 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions TIM3_CH4, I2C3_SDA, TIM8_CH4, I2SCKIN, TIM8_BKIN2. |
| 67 | PA8 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions MCO, I2C3_SCL, I2C2_SMBAL, I2S2_MCK, TIM1_CH1, USART1_CK, COMP3_OUT, TIM4_ETR. |
| 68 | PA9 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions I2C3_SMBAL, TSC_G4_IO1, I2C2_SCL, I2S3_MCK, TIM1_CH2, USART1_TX, COMP5_OUT, TIM15_BKIN, TIM2_CH3. |
| 69 | PA10 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions TIM17_BKIN, TSC_G4_IO2, I2C2_SDA, SPI2_MISO/I2S2ext_SD, TIM1_CH3, USART1_RX, COMP6_OUT, TIM2_CH4, TIM8_BKIN. |
| 70 | PA11 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, COMP1_OUT, CAN_RX, TIM4_CH1, TIM1_CH4, TIM1_BKIN2; additional function USB_DM. |
| 71 | PA12 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM16_CH1, I2SCKIN, TIM1_CH2N, USART1_RTS, COMP2_OUT, CAN_TX, TIM4_CH2, TIM1_ETR; additional function USB_DP. |
| 72 | PA13 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions SWDIO-JTMS, TIM16_CH1N, TSC_G4_IO3, IR-OUT, USART3_CTS, TIM4_CH3. |
| 73 | PF6 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions TIM4_CH4, I2C2_SCL, USART3_RTS, FMC_NIORD. |
| 74 | VSS | power_in | Digital ground. |
| 75 | VDD | power_in | Digital power supply, 2.0 V to 3.6 V. |
| 76 | PA14 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions SWCLK-JTCK, TSC_G4_IO4, I2C1_SDA, TIM8_CH2, TIM1_BKIN, USART2_TX. |
| 77 | PA15 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions JTDI, TIM2_CH1/ETR, TIM8_CH1, TSC_SYNC, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX, TIM1_BKIN. |
| 78 | PC10 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM8_CH1N, UART4_TX, SPI3_SCK/I2S3_CK, USART3_TX. |
| 79 | PC11 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM8_CH2N, UART4_RX, SPI3_MISO/I2S3ext_SD, USART3_RX. |
| 80 | PC12 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM8_CH3N, UART5_TX, SPI3_MOSI/I2S3_SD, USART3_CK. |
| 81 | PD0 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions CAN_RX, FMC_D2. |
| 82 | PD1 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM8_CH4, TIM8_BKIN2, CAN_TX, FMC_D3. |
| 83 | PD2 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM3_ETR, TIM8_BKIN, UART5_RX. |
| 84 | PD3 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM2_CH1/ETR, USART2_CTS, FMC_CLK. |
| 85 | PD4 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM2_CH2, USART2_RTS, FMC_NOE. |
| 86 | PD5 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions USART2_TX, FMC_NWE. |
| 87 | PD6 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM2_CH4, USART2_RX, FMC_NWAIT. |
| 88 | PD7 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM2_CH3, USART2_CK, FMC_NE1/FMC_NCE2. |
| 89 | PB3 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions JTDO-TRACESWO, TIM2_CH2, TIM4_ETR, TSC_G5_IO1, TIM8_CH1N, SPI1_SCK, SPI3_SCK/I2S3_CK, USART2_TX, TIM3_ETR. |
| 90 | PB4 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions JTRST, TIM16_CH1, TIM3_CH1, TSC_G5_IO2, TIM8_CH2N, SPI1_MISO, SPI3_MISO/I2S3ext_SD, USART2_RX, TIM17_BKIN. |
| 91 | PB5 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions TIM16_BKIN, TIM3_CH2, TIM8_CH3N, I2C1_SMBAl, SPI1_MOSI, SPI3_MOSI/I2S3_SD, USART2_CK, I2C3_SDA, TIM17_CH1. |
| 92 | PB6 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions TIM16_CH1N, TIM4_CH1, TSC_G5_IO3, I2C1_SCL, TIM8_CH1, TIM8_ETR, USART1_TX, TIM8_BKIN2. |
| 93 | PB7 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions TIM17_CH1N, TIM4_CH2, TSC_G5_IO4, I2C1_SDA, TIM8_BKIN, USART1_RX, TIM3_CH4, FMC_NADV. |
| 94 | BOOT0 | input | Dedicated boot mode selection input. |
| 95 | PB8 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions TIM16_CH1, TIM4_CH3, TSC_SYNC, I2C1_SCL, USART3_RX, COMP1_OUT, CAN_RX, TIM8_CH2, TIM1_BKIN. |
| 96 | PB9 | bidirectional | 5 V-tolerant I/O (FTf, I2C FM+ option); alternate functions TIM17_CH1, TIM4_CH4, I2C1_SDA, IR-OUT, USART3_TX, COMP2_OUT, CAN_TX, TIM8_CH3. |
| 97 | PE0 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM4_ETR, TIM16_CH1, TIM20_ETR, USART1_TX, FMC_NBL0. |
| 98 | PE1 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions TIM17_CH1, TIM20_CH4, USART1_RX, FMC_NBL1. |
| 99 | VSS | power_in | Digital ground. |
| 100 | VDD | power_in | Digital power supply, 2.0 V to 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-100(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 100 |
CAD (KiCad official)
- Symbol:
STM32F303VET6TR - Footprint:
Package_QFP:LQFP-100_14x14mm_P0.5mm - 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files:
stm32f303vet6tr-etched.step/stm32f303vet6tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f303vet6tr.step/stm32f303vet6tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (173 pp, sha256
5009ea08fac5eb65, retrieved 2026-10-01, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(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).