component
STM32F373CCT6
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
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownSTM32F373CCT6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
STM32F373CCT6 from STMicroelectronics, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VBAT | power_in | Backup power supply for RTC and backup registers, 1.65 to 3.6 V |
| 2 | PC13 | bidirectional | GPIO port C bit 13, with functions WKUP2, ALARM_OUT, CALIB_OUT, TIMESTAMP, RTC_TAMPER1 |
| 3 | PC14 | bidirectional | GPIO port C bit 14, OSC32_IN for low-speed external clock |
| 4 | PC15 | bidirectional | GPIO port C bit 15, OSC32_OUT for low-speed external clock |
| 5 | PF0 | bidirectional | GPIO port F bit 0, OSC_IN for high-speed external clock, I2C2_SDA alternate function |
| 6 | PF1 | bidirectional | GPIO port F bit 1, OSC_OUT for high-speed external clock, I2C2_SCL alternate function |
| 7 | NRST | bidirectional | Device reset input/internal reset output (active low), with embedded weak pull-up resistor |
| 8 | VSSA/VREF- | power_out | Analog ground and negative reference voltage for ADC, DAC, and comparators |
| 9 | VDDA/VREF+ | power_in | Analog power supply and positive reference voltage for ADC, DAC, comparators; 2.4 to 3.6 V |
| 10 | PA0 | bidirectional | GPIO port A bit 0, TTa I/O, alternate functions USART2_CTS, TIM2_CH1_ETR, TIM5_CH1_ETR, TIM19_CH1, TSC_G1_IO1, COMP1_OUT; additional ADC_IN0, COMP1_INM |
| 11 | PA1 | bidirectional | GPIO port A bit 1, TTa I/O, alternate functions SPI3_SCK/I2S3_CK, USART2_RTS, TIM2_CH2, TIM15_CH1N, TIM5_CH2, TIM19_CH2, TSC_G1_IO2, RTC_REFIN; additional ADC_IN1, COMP1_INP |
| 12 | PA2 | bidirectional | GPIO port A bit 2, TTa I/O, alternate functions COMP2_OUT, SPI3_MISO/I2S3_MCK, USART2_TX, TIM2_CH3, TIM15_CH1, TIM5_CH3, TIM19_CH3, TSC_G1_IO3; additional ADC_IN2, COMP2_INM |
| 13 | PA3 | bidirectional | GPIO port A bit 3, TTa I/O, alternate functions SPI3_MOSI/I2S3_SD, USART2_RX, TIM2_CH4, TIM15_CH2, TIM5_CH4, TIM19_CH4, TSC_G1_IO4; additional ADC_IN3, COMP2_INP |
| 14 | PA4 | bidirectional | GPIO port A bit 4, TTa I/O, alternate functions SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, TIM3_CH2, TIM12_CH1, TSC_G2_IO1; additional ADC_IN4, DAC1_OUT1 |
| 15 | PA5 | bidirectional | GPIO port A bit 5, TTa I/O, alternate functions SPI1_SCK/I2S1_CK, CEC, TIM2_CH1_ETR, TIM14_CH1, TIM12_CH2, TSC_G2_IO2; additional ADC_IN5, DAC1_OUT2 |
| 16 | PA6 | bidirectional | GPIO port A bit 6, TTa I/O, alternate functions SPI1_MISO/I2S1_MCK, COMP1_OUT, TIM3_CH1, TIM13_CH1, TIM16_CH1, TSC_G2_IO3; additional ADC_IN6, DAC2_OUT1 |
| 17 | VDD_2 | power_in | Digital power supply, 2.0 to 3.6 V |
| 18 | PB0 | bidirectional | GPIO port B bit 0, TTa I/O, alternate functions SPI1_MOSI/I2S1_SD, TIM3_CH3, TSC_G3_IO3, TIM3_CH2; additional ADC_IN8, SDADC1_AIN6P |
| 19 | PB1 | bidirectional | GPIO port B bit 1, TTa I/O, alternate functions TIM3_CH4, TSC_G3_IO4; additional ADC_IN9, SDADC1_AIN5P, SDADC1_AIN6M |
| 20 | PB2 | bidirectional | GPIO port B bit 2, TC I/O powered by VDDSD12, additional functions SDADC1_AIN4P, SDADC2_AIN6P |
| 21 | PE8 | bidirectional | GPIO port E bit 8, TC I/O powered by VDDSD12, additional functions SDADC1_AIN8P, SDADC2_AIN8P |
| 22 | PE9 | bidirectional | GPIO port E bit 9, TC I/O powered by VDDSD12, additional functions SDADC1_AIN7P, SDADC1_AIN8M, SDADC2_AIN7P, SDADC2_AIN8M |
| 23 | VSSSD/VREFSD- | power_out | SDADC1, SDADC2, SDADC3 ground and negative reference voltage for sigma-delta ADCs |
| 24 | VDDSD | power_in | SDADC1, SDADC2, SDADC3 power supply, 2.2 to 3.6 V |
| 25 | VREFSD+ | power_in | External positive reference voltage for SDADC1, SDADC2, SDADC3; 1.1 to VDDSDx V |
| 26 | PB14 | bidirectional | GPIO port B bit 14, TC I/O powered by VDDSD3, alternate functions SPI2_MISO/I2S2_MCK, USART3_RTS, TIM15_CH1, TIM12_CH1, TSC_G6_IO1; additional SDADC3_AIN8P |
| 27 | PB15 | bidirectional | GPIO port B bit 15, TC I/O powered by VDDSD3, alternate functions SPI2_MOSI/I2S2_SD, TIM15_CH1N, TIM15_CH2, TIM12_CH2, TSC_G6_IO2, RTC_REFIN; additional SDADC3_AIN7P, SDADC3_AIN8M |
| 28 | PD8 | bidirectional | GPIO port D bit 8, TC I/O powered by VDDSD3, alternate functions SPI2_SCK/I2S2_CK, USART3_TX, TSC_G6_IO3; additional SDADC3_AIN6P |
| 29 | PA8 | bidirectional | GPIO port A bit 8, FT 5V-tolerant I/O, alternate functions SPI2_SCK/I2S2_CK, I2C2_SMBA, USART1_CK, TIM4_ETR, TIM5_CH1_ETR, MCO |
| 30 | PA9 | bidirectional | GPIO port A bit 9, FTf FM+-capable I/O, alternate functions SPI2_MISO/I2S2_MCK, I2C2_SCL, USART1_TX, TIM2_CH3, TIM15_BKIN, TIM13_CH1, TSC_G4_IO1 |
| 31 | PA10 | bidirectional | GPIO port A bit 10, FTf FM+-capable I/O, alternate functions SPI2_MOSI/I2S2_SD, I2C2_SDA, USART1_RX, TIM2_CH4, TIM17_BKIN, TIM14_CH1, TSC_G4_IO2 |
| 32 | PA11 | bidirectional | GPIO port A bit 11, FT 5V-tolerant I/O, alternate functions SPI2_NSS/I2S2_WS, SPI1_NSS/I2S1_WS, USART1_CTS, CAN_RX, TIM4_CH1, USB_DM, TIM5_CH2, COMP1_OUT |
| 33 | PA12 | bidirectional | GPIO port A bit 12, FT 5V-tolerant I/O, alternate functions SPI1_SCK/I2S1_CK, USART1_RTS, CAN_TX, USB_DP, TIM16_CH1, TIM4_CH2, TIM5_CH3, COMP2_OUT |
| 34 | PA13 | bidirectional | GPIO port A bit 13, FT 5V-tolerant I/O, JTAG/SWD pin SWDIO-JTMS, alternate functions SPI1_MISO/I2S1_MCK, USART3_CTS, IR_OUT, TIM16_CH1N, TIM4_CH3, TIM5_CH4, TSC_G4_IO3 |
| 35 | PF6 | bidirectional | GPIO port F bit 6, FTf FM+-capable I/O, alternate functions SPI1_MOSI/I2S1_SD, USART3_RTS, TIM4_CH4, I2C2_SCL |
| 36 | PF7 | bidirectional | GPIO port F bit 7, FTf FM+-capable I/O, alternate functions I2C2_SDA, USART2_CK |
| 37 | PA14 | bidirectional | GPIO port A bit 14, FTf FM+-capable I/O, JTAG/SWD pin SWCLK-JTCK, alternate functions I2C1_SDA, TIM12_CH1, TSC_G4_IO4 |
| 38 | PA15 | bidirectional | GPIO port A bit 15, FTf FM+-capable I/O, JTAG pin JTDI, alternate functions SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, I2C1_SCL, TIM2_CH1_ETR, TIM12_CH2, TSC_SYNC |
| 39 | PB3 | bidirectional | GPIO port B bit 3, FT 5V-tolerant I/O, JTAG pin JTDO-TRACESWO, alternate functions SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, USART2_TX, TIM2_CH2, TIM3_ETR, TIM4_ETR, TIM13_CH1, TSC_G5_IO1 |
| 40 | PB4 | bidirectional | GPIO port B bit 4, FT 5V-tolerant I/O, JTAG pin NJTRST, alternate functions SPI1_MISO/I2S1_MCK, SPI3_MISO/I2S3_MCK, USART2_RX, TIM16_CH1, TIM3_CH1, TIM17_BKIN, TIM15_CH1N, TSC_G5_IO2 |
| 41 | PB5 | bidirectional | GPIO port B bit 5, FT 5V-tolerant I/O, alternate functions SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, I2C1_SMBA, USART2_CK, TIM16_BKIN, TIM3_CH2, TIM17_CH1, TIM19_ETR |
| 42 | PB6 | bidirectional | GPIO port B bit 6, FTf FM+-capable I/O, alternate functions I2C1_SCL, USART1_TX, TIM16_CH1N, TIM3_CH3, TIM4_CH1, TIM19_CH1, TIM15_CH1, TSC_G5_IO3 |
| 43 | PB7 | bidirectional | GPIO port B bit 7, FTf FM+-capable I/O, alternate functions I2C1_SDA, USART1_RX, TIM17_CH1N, TIM3_CH4, TIM4_CH2, TIM19_CH2, TIM15_CH2, TSC_G5_IO4 |
| 44 | BOOT0 | input | Boot memory selection pin, determines boot from Flash, system memory, or SRAM |
| 45 | PB8 | bidirectional | GPIO port B bit 8, FTf FM+-capable I/O, alternate functions SPI2_SCK/I2S2_CK, I2C1_SCL, USART3_TX, CAN_RX, CEC, TIM16_CH1, TIM4_CH3, TIM19_CH3, COMP1_OUT, TSC_SYNC |
| 46 | PB9 | bidirectional | GPIO port B bit 9, FTf FM+-capable I/O, alternate functions SPI2_NSS/I2S2_WS, I2C1_SDA, USART3_RX, CAN_TX, IR_OUT, TIM17_CH1, TIM4_CH4, TIM19_CH4, COMP2_OUT |
| 47 | VSS_1 | power_out | Digital ground connection |
| 48 | VDD_1 | 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:
STM32F373CCT6 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32f373cct6-etched.step/stm32f373cct6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f373cct6.step/stm32f373cct6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (137 pp, sha256
a670e6a0a2ed996b, retrieved 2026-09-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).