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STM32F102C8T6
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
markdownSTM32F102C8T6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
STM32F102C8T6 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 domain supply 1.8-3.6 V for RTC and backup registers via power switch |
| 2 | PC13-TAMPER-RTC | bidirectional | GPIO Port C bit 13 with TAMPER-RTC alternate function for backup domain |
| 3 | PC14-OSC32_IN | bidirectional | GPIO Port C bit 14 with OSC32_IN alternate function for 32.768 kHz external oscillator input |
| 4 | PC15-OSC32_OUT | bidirectional | GPIO Port C bit 15 with OSC32_OUT alternate function for 32.768 kHz external oscillator output |
| 5 | OSC_IN | bidirectional | 5V-tolerant external high-speed oscillator input 4-16 MHz, remappable to PD0 |
| 6 | OSC_OUT | bidirectional | 5V-tolerant external high-speed oscillator output, remappable to PD1 |
| 7 | NRST | bidirectional | Active-low asynchronous reset input with internal pull-up resistor and RC filter recommended |
| 8 | VSSA | power_in | Analog ground reference connection for ADC |
| 9 | VDDA | power_in | Analog supply 2.4-3.6 V minimum when ADC is used |
| 10 | PA0-WKUP | bidirectional | GPIO Port A bit 0 with alternate functions WKUP/USART2_CTS/ADC_IN0/TIM2_CH1_ETR |
| 11 | PA1 | bidirectional | GPIO Port A bit 1 with alternate functions USART2_RTS/ADC_IN1/TIM2_CH2 |
| 12 | PA2 | bidirectional | GPIO Port A bit 2 with alternate functions USART2_TX/ADC_IN2/TIM2_CH3 |
| 13 | PA3 | bidirectional | GPIO Port A bit 3 with alternate functions USART2_RX/ADC_IN3/TIM2_CH4 |
| 14 | PA4 | bidirectional | GPIO Port A bit 4 with alternate functions SPI1_NSS/ADC_IN4/USART2_CK |
| 15 | PA5 | bidirectional | GPIO Port A bit 5 with alternate functions SPI1_SCK/ADC_IN5 |
| 16 | PA6 | bidirectional | GPIO Port A bit 6 with alternate functions SPI1_MISO/ADC_IN6/TIM3_CH1 |
| 17 | PA7 | bidirectional | GPIO Port A bit 7 with alternate functions SPI1_MOSI/ADC_IN7/TIM3_CH2 |
| 18 | PB0 | bidirectional | GPIO Port B bit 0 with alternate functions ADC_IN8/TIM3_CH3 |
| 19 | PB1 | bidirectional | GPIO Port B bit 1 with alternate functions ADC_IN9/TIM3_CH4 |
| 20 | PB2 | bidirectional | 5V-tolerant GPIO Port B bit 2 with BOOT1 alternate function |
| 21 | PB10 | bidirectional | 5V-tolerant GPIO Port B bit 10 with alternate functions I2C2_SCL/USART3_TX/TIM2_CH3 |
| 22 | PB11 | bidirectional | 5V-tolerant GPIO Port B bit 11 with alternate functions I2C2_SDA/USART3_RX/TIM2_CH4 |
| 23 | VSS_1 | power_in | Ground connection to external power supply |
| 24 | VDD_1 | power_in | Main supply 2.0-3.6 V for core and I/Os |
| 25 | PB12 | bidirectional | 5V-tolerant GPIO Port B bit 12 with alternate functions SPI2_NSS/I2C2_SMBA/USART3_CK |
| 26 | PB13 | bidirectional | 5V-tolerant GPIO Port B bit 13 with alternate functions SPI2_SCK/USART3_CTS |
| 27 | PB14 | bidirectional | 5V-tolerant GPIO Port B bit 14 with alternate functions SPI2_MISO/USART3_RTS |
| 28 | PB15 | bidirectional | 5V-tolerant GPIO Port B bit 15 with alternate function SPI2_MOSI |
| 29 | PA8 | bidirectional | 5V-tolerant GPIO Port A bit 8 with alternate functions USART1_CK/MCO |
| 30 | PA9 | bidirectional | 5V-tolerant GPIO Port A bit 9 with alternate function USART1_TX |
| 31 | PA10 | bidirectional | 5V-tolerant GPIO Port A bit 10 with alternate function USART1_RX |
| 32 | PA11 | bidirectional | 5V-tolerant GPIO Port A bit 11 with alternate functions USART1_CTS/USB_DM |
| 33 | PA12 | bidirectional | 5V-tolerant GPIO Port A bit 12 with alternate functions USART1_RTS/USB_DP |
| 34 | PA13 | bidirectional | 5V-tolerant GPIO Port A bit 13 with JTMS-SWDIO debug port Serial Wire Debug I/O |
| 35 | VSS_2 | power_in | Ground connection to external power supply |
| 36 | VDD_2 | power_in | Main supply 2.0-3.6 V for core and I/Os |
| 37 | PA14 | bidirectional | 5V-tolerant GPIO Port A bit 14 with JTCK/SWCLK debug port Serial Wire Debug clock |
| 38 | PA15 | bidirectional | 5V-tolerant GPIO Port A bit 15 with JTDI debug port, alternate functions TIM2_CH1_ETR/SPI1_NSS |
| 39 | PB3 | bidirectional | 5V-tolerant GPIO Port B bit 3 with JTDO debug port, alternate functions TIM2_CH2/TRACESWO/SPI1_SCK |
| 40 | PB4 | bidirectional | 5V-tolerant GPIO Port B bit 4 with JNTRST debug port, alternate functions TIM3_CH1/SPI1_MISO |
| 41 | PB5 | bidirectional | GPIO Port B bit 5 with alternate functions I2C1_SMBA/TIM3_CH2/SPI1_MOSI |
| 42 | PB6 | bidirectional | 5V-tolerant GPIO Port B bit 6 with alternate functions I2C1_SCL/TIM4_CH1/USART1_TX |
| 43 | PB7 | bidirectional | 5V-tolerant GPIO Port B bit 7 with alternate functions I2C1_SDA/TIM4_CH2/USART1_RX |
| 44 | BOOT0 | input | Boot mode selection input, 0 selects user Flash boot 1 selects system memory or SRAM |
| 45 | PB8 | bidirectional | 5V-tolerant GPIO Port B bit 8 with alternate functions TIM4_CH3/I2C1_SCL |
| 46 | PB9 | bidirectional | 5V-tolerant GPIO Port B bit 9 with alternate functions TIM4_CH4/I2C1_SDA |
| 47 | VSS_3 | power_in | Ground connection to external power supply |
| 48 | VDD_3 | power_in | Main supply 2.0-3.6 V for core and I/Os |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
STM32F102C8T6 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32f102c8t6-etched.step/stm32f102c8t6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f102c8t6.step/stm32f102c8t6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (81 pp, sha256
276652841a00ce34, retrieved 2026-09-24, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).