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STM32F100RBT6B
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). 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
markdownSTM32F100RBT6B
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)
STM32F100RBT6B from STMicroelectronics, in a LQFP-64(10x10). 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 | Battery backup supply pin for real-time clock and backup registers (1.65-3.6V) |
| 2 | PC13-TAMPER-RTC | bidirectional | PC13 general-purpose I/O or TAMPER-RTC input, output limited to 2 MHz with 30 pF max load |
| 3 | PC14-OSC32_IN | bidirectional | PC14 general-purpose I/O or 32 kHz oscillator input |
| 4 | PC15-OSC32_OUT | bidirectional | PC15 general-purpose I/O or 32 kHz oscillator output |
| 5 | OSC_IN | input | 4-24 MHz crystal oscillator input pin |
| 6 | OSC_OUT | output | Crystal oscillator output pin |
| 7 | NRST | bidirectional | Active-low asynchronous reset input with open-drain output driver capability |
| 8 | PC0 | bidirectional | PC0 general-purpose I/O with ADC1_IN10 input channel alternate function |
| 9 | PC1 | bidirectional | PC1 general-purpose I/O with ADC1_IN11 input channel alternate function |
| 10 | PC2 | bidirectional | PC2 general-purpose I/O with ADC1_IN12 input channel alternate function |
| 11 | PC3 | bidirectional | PC3 general-purpose I/O with ADC1_IN13 input channel alternate function |
| 12 | VSSA | power_in | Analog ground (0V reference for analog circuits) |
| 13 | VDDA | power_in | Analog power supply pin for ADC (2.4-3.6V) |
| 14 | PA0-WKUP | bidirectional | PA0 general-purpose I/O with wakeup capability and ADC1_IN0, USART2, TIM2 alternate functions |
| 15 | PA1 | bidirectional | PA1 general-purpose I/O with USART2, ADC1_IN1, and TIM2 alternate functions |
| 16 | PA2 | bidirectional | PA2 general-purpose I/O with USART2_TX, ADC1_IN2, TIM2, and TIM15 alternate functions |
| 17 | PA3 | bidirectional | PA3 general-purpose I/O with USART2_RX, ADC1_IN3, TIM2, and TIM15 alternate functions |
| 18 | VSS_4 | power_in | Ground pin (0V power supply return) |
| 19 | VDD_4 | power_in | Digital power supply pin (2.0-3.6V) |
| 20 | PA4 | bidirectional | PA4 general-purpose I/O with SPI1, USART2, DAC1_OUT, and ADC1_IN4 alternate functions |
| 21 | PA5 | bidirectional | PA5 general-purpose I/O with SPI1_SCK, DAC2_OUT, and ADC1_IN5 alternate functions |
| 22 | PA6 | bidirectional | PA6 general-purpose I/O with SPI1_MISO, TIM3_CH1, TIM1, and TIM16 alternate functions, 5V tolerant |
| 23 | PA7 | bidirectional | PA7 general-purpose I/O with SPI1_MOSI, TIM3_CH2, TIM1_CH1N, and TIM17_CH1 alternate functions, 5V tolerant |
| 24 | PC4 | bidirectional | PC4 general-purpose I/O with ADC1_IN14 input channel alternate function |
| 25 | PC5 | bidirectional | PC5 general-purpose I/O with ADC1_IN15 input channel alternate function |
| 26 | PB0 | bidirectional | PB0 general-purpose I/O with ADC1_IN8, TIM3_CH3, and TIM1_CH2N alternate functions |
| 27 | PB1 | bidirectional | PB1 general-purpose I/O with ADC1_IN9, TIM3_CH4, and TIM1_CH3N alternate functions |
| 28 | PB2 | bidirectional | PB2 general-purpose I/O (BOOT1) pin, 5V tolerant |
| 29 | PB10 | bidirectional | PB10 general-purpose I/O with I2C2_SCL, USART3_TX, TIM2_CH3, and HDMI_CEC alternate functions, 5V tolerant |
| 30 | PB11 | bidirectional | PB11 general-purpose I/O with I2C2_SDA, USART3_RX, and TIM2_CH4 alternate functions, 5V tolerant |
| 31 | VSS_1 | power_in | Ground pin (0V power supply return) |
| 32 | VDD_1 | power_in | Digital power supply pin (2.0-3.6V) |
| 33 | PB12 | bidirectional | PB12 general-purpose I/O with SPI2_NSS, I2C2_SMBA, TIM1_BKIN, and USART3_CK alternate functions, 5V tolerant |
| 34 | PB13 | bidirectional | PB13 general-purpose I/O with SPI2_SCK, TIM1_CH1N, and USART3_CTS alternate functions, 5V tolerant |
| 35 | PB14 | bidirectional | PB14 general-purpose I/O with SPI2_MISO, TIM1_CH2N, USART3_RTS, and TIM15_CH1 alternate functions, 5V tolerant |
| 36 | PB15 | bidirectional | PB15 general-purpose I/O with SPI2_MOSI, TIM1_CH3N, TIM15_CH1N, and TIM15_CH2 alternate functions, 5V tolerant |
| 37 | PC6 | bidirectional | PC6 general-purpose I/O with TIM3_CH1 alternate function, 5V tolerant |
| 38 | PC7 | bidirectional | PC7 general-purpose I/O with TIM3_CH2 alternate function, 5V tolerant |
| 39 | PC8 | bidirectional | PC8 general-purpose I/O with TIM3_CH3 alternate function, 5V tolerant |
| 40 | PC9 | bidirectional | PC9 general-purpose I/O with TIM3_CH4 alternate function, 5V tolerant |
| 41 | PA8 | bidirectional | PA8 general-purpose I/O with USART1_CK, MCO, and TIM1_CH1 alternate functions, 5V tolerant |
| 42 | PA9 | bidirectional | PA9 general-purpose I/O with USART1_TX, TIM1_CH2, and TIM15_BKIN alternate functions, 5V tolerant |
| 43 | PA10 | bidirectional | PA10 general-purpose I/O with USART1_RX, TIM1_CH3, and TIM17_BKIN alternate functions, 5V tolerant |
| 44 | PA11 | bidirectional | PA11 general-purpose I/O with USART1_CTS and TIM1_CH4 alternate functions, 5V tolerant |
| 45 | PA12 | bidirectional | PA12 general-purpose I/O with USART1_RTS and TIM1_ETR alternate functions, 5V tolerant |
| 46 | PA13 | bidirectional | PA13 JTMS-SWDIO debug pin for JTAG and serial wire debug interface, 5V tolerant |
| 47 | VSS_2 | power_in | Ground pin (0V power supply return) |
| 48 | VDD_2 | power_in | Digital power supply pin (2.0-3.6V) |
| 49 | PA14 | bidirectional | PA14 JTCK-SWCLK debug pin for JTAG and serial wire debug interface, 5V tolerant |
| 50 | PA15 | bidirectional | PA15 JTDI debug pin with TIM2_CH1_ETR and SPI1_NSS alternate functions, 5V tolerant |
| 51 | PC10 | bidirectional | PC10 general-purpose I/O with USART3_TX alternate function, 5V tolerant |
| 52 | PC11 | bidirectional | PC11 general-purpose I/O with USART3_RX alternate function, 5V tolerant |
| 53 | PC12 | bidirectional | PC12 general-purpose I/O with USART3_CK alternate function, 5V tolerant |
| 54 | PD2 | bidirectional | PD2 general-purpose I/O with TIM3_ETR alternate function, 5V tolerant |
| 55 | PB3 | bidirectional | PB3 JTDO-TRACESWO debug pin with TIM2_CH2 and SPI1_SCK alternate functions, 5V tolerant |
| 56 | PB4 | bidirectional | PB4 NJTRST debug pin with TIM3_CH1 and SPI1_MISO alternate functions, 5V tolerant |
| 57 | PB5 | bidirectional | PB5 general-purpose I/O with I2C1_SMBA, TIM16_BKIN, TIM3_CH2, and SPI1_MOSI alternate functions |
| 58 | PB6 | bidirectional | PB6 general-purpose I/O with I2C1_SCL, TIM4_CH1, TIM16_CH1N, and USART1_TX alternate functions, 5V tolerant |
| 59 | PB7 | bidirectional | PB7 general-purpose I/O with I2C1_SDA, TIM4_CH2, TIM17_CH1N, and USART1_RX alternate functions, 5V tolerant |
| 60 | BOOT0 | input | Boot mode selection input pin (logic high selects boot from user flash memory) |
| 61 | PB8 | bidirectional | PB8 general-purpose I/O with TIM4_CH3, TIM16_CH1, CEC, and I2C1_SCL alternate functions, 5V tolerant |
| 62 | PB9 | bidirectional | PB9 general-purpose I/O with TIM4_CH4, TIM17_CH1, and I2C1_SDA alternate functions, 5V tolerant |
| 63 | VSS_3 | power_in | Ground pin (0V power supply return) |
| 64 | VDD_3 | power_in | Digital power supply pin (2.0-3.6V) |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |
CAD (KiCad official)
- Symbol:
STM32F100RBT6B - Footprint:
Package_QFP:LQFP-64_10x10mm_P0.5mm - 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files:
stm32f100rbt6b-etched.step/stm32f100rbt6b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f100rbt6b.step/stm32f100rbt6b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (88 pp, sha256
c810aafb848820fa, 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).