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STM32F100RBT6B

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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.

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docs stm32f100rbt6b: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
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package.json Publish 0.1.0 · Ray 4d ago
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README.md Initial commit: component/stm32f100rbt6b · Ray 4d ago
stm32f100rbt6b-etched.fit.json stm32f100rbt6b: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
stm32f100rbt6b-etched.glb stm32f100rbt6b: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
stm32f100rbt6b-etched.step stm32f100rbt6b: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
stm32f100rbt6b.glb Publish 0.1.0 · Ray 4d ago
stm32f100rbt6b.kicad_mod Publish 0.1.0 · Ray 4d ago
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stm32f100rbt6b.step Publish 0.1.0 · Ray 4d ago

STM32F100RBT6B

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f100rbt6b.step / stm32f100rbt6b.glb are 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, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF