component
STM32L011F3P6TR
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), TSSOP-20. 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
markdownSTM32L011F3P6TR
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · TSSOP-20
STM32L011F3P6TR from STMicroelectronics, in a TSSOP-20. 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 | PB9-BOOT0 | input | Dedicated BOOT0 pin (input-only); selects boot memory (Flash, System memory, or embedded RAM) on device reset. |
| 2 | PC14-OSC32_IN | bidirectional | Port C pin 14; low-speed external oscillator (LSE) input for 32.768 kHz crystal connection; configurable as general-purpose I/O. |
| 3 | PC15-OSC32_OUT | bidirectional | Port C pin 15; low-speed external oscillator (LSE) output for 32.768 kHz crystal connection; configurable as standard 3.3 V I/O. |
| 4 | NRST | bidirectional | Active-low reset input/output with embedded weak pull-up (45 kΩ typical); Schmitt trigger threshold 0.3VDD; provides device reset functionality. |
| 5 | VDDA | power_in | Analog power supply pin (1.65 V to 3.6 V); supplies power to ADC, comparators, reference voltage, and PLL; must be decoupled with 100 nF capacitor. |
| 6 | PA0-CK_IN | bidirectional | Port A pin 0 (TTa type, ADC-connected fast channel); supports USART2_RX, LPTIM1_IN1, TIM2_CH1, USART2_CTS, TIM2_ETR, LPUART1_RX, COMP1_OUT alternate functions and ADC_IN0, COMP1_INM additional functions. |
| 7 | PA1 | bidirectional | Port A pin 1 (5 V tolerant); supports EVENTOUT, LPTIM1_IN2, TIM2_CH2, I2C1_SMBA, USART2_RTS_DE, TIM21_ETR, LPUART1_TX alternate functions and ADC_IN1, COMP1_INP additional functions. |
| 8 | PA2 | bidirectional | Port A pin 2 (TTa type, ADC-connected standard channel); supports TIM21_CH1, TIM2_CH3, USART2_TX, LPUART1_TX, COMP2_OUT alternate functions and ADC_IN2, COMP2_INM additional functions. |
| 9 | PA3 | bidirectional | Port A pin 3 (5 V tolerant); supports TIM21_CH2, TIM2_CH4, USART2_RX, LPUART1_RX alternate functions and ADC_IN3, COMP2_INP additional functions. |
| 10 | PA4 | bidirectional | Port A pin 4 (TTa type, ADC-connected fast channel); supports SPI1_NSS, LPTIM1_IN1, LPTIM1_ETR, I2C1_SCL, USART2_CK, TIM2_ETR, LPUART1_TX, COMP2_OUT alternate functions and ADC_IN4 additional functions. |
| 11 | PA5 | bidirectional | Port A pin 5 (TTa type, ADC-connected fast channel); supports SPI1_SCK, LPTIM1_IN2, TIM2_ETR, TIM2_CH1 alternate functions and ADC_IN5 additional functions. |
| 12 | PA6 | bidirectional | Port A pin 6 (5 V tolerant); supports SPI1_MISO, LPTIM1_ETR, LPUART1_CTS, EVENTOUT, COMP1_OUT alternate functions and ADC_IN6 additional functions. |
| 13 | PA7 | bidirectional | Port A pin 7 (5 V tolerant); supports SPI1_MOSI, LPTIM1_OUT, USART2_CTS, TIM21_ETR, EVENTOUT, COMP2_OUT alternate functions and ADC_IN7, COMP2_INP additional functions. |
| 14 | PB1 | bidirectional | Port B pin 1 (5 V tolerant); supports USART2_CK, SPI1_MOSI, LPTIM1_IN1, LPUART1_RTS_DE, TIM2_CH4 alternate functions and ADC_IN9, VREF_OUT additional functions. |
| 15 | VSS | power_in | Digital and analog ground return; common return path for all VDD and VDDA pins; must be connected to system ground plane. |
| 16 | VDD | power_in | Digital power supply pin (1.65 V to 3.6 V with BOR disabled; 1.8 V to 3.6 V with BOR enabled); must be decoupled with 100 nF capacitor placed close to package. |
| 17 | PA9 | bidirectional | Port A pin 9 (5 V tolerant, FM+ I2C capable); supports MCO, I2C1_SCL, LPTIM1_OUT, USART2_TX, TIM21_CH2, COMP1_OUT alternate functions. |
| 18 | PA10 | bidirectional | Port A pin 10 (5 V tolerant, FM+ I2C capable, acts as SWCLK); supports TIM21_CH1, I2C1_SDA, RTC_REFIN, USART2_RX, TIM2_CH3, COMP1_OUT alternate functions. |
| 19 | PA13 | bidirectional | Port A pin 13 (5 V tolerant, FM+ I2C capable, acts as SWDIO); supports SWDIO, LPTIM1_ETR, I2C1_SDA, SPI1_SCK, LPUART1_RX, COMP1_OUT alternate functions. |
| 20 | PA14 | bidirectional | Port A pin 14 (5 V tolerant, acts as SWCLK); supports SWCLK, LPTIM1_OUT, I2C1_SMBA, USART2_TX, SPI1_MISO, LPUART1_TX, COMP2_OUT alternate functions. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | TSSOP-20 |
| Category | Embedded Processors & Controllers |
| Pins | 20 |
CAD (KiCad official)
- Symbol:
STM32L011F3P6TR - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
stm32l011f3p6tr-etched.step/stm32l011f3p6tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32l011f3p6tr.step/stm32l011f3p6tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (119 pp, sha256
1271aa38a181c7a2, retrieved 2026-09-27, 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).