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STM8L151K6T3
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-32(7x7). Pinout cross-checked by two models against the datasheet, 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
markdownSTM8L151K6T3
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-32(7x7)
STM8L151K6T3 from STMicroelectronics, in a LQFP-32(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | NRST/PA1 | bidirectional | Active-low reset input with pull-up at power-up (RPU 30 to 60 kΩ); as PA1 it can only be configured as open-drain or push-pull output, not as a general-purpose input. |
| 2 | PA2 | bidirectional | Port A2 with HSE oscillator input (OSC_IN); 3.6 V tolerant I/O with high sink/source (20 mA) capability; USART1_TX and SPI1_MISO are remap options. |
| 3 | PA3 | bidirectional | Port A3 with HSE oscillator output (OSC_OUT); 3.6 V tolerant I/O with high sink/source (20 mA) capability; USART1_RX and SPI1_MOSI are remap options. |
| 4 | PA4 | bidirectional | Port A4 with Timer 2 break input (TIM2_BKIN), ADC1 input 2 (ADC1_IN2) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 5 | PA5 | bidirectional | Port A5 with Timer 3 break input (TIM3_BKIN), ADC1 input 1 (ADC1_IN1) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 6 | PA6 | bidirectional | Port A6 with ADC1 input 0 (ADC1_IN0) and comparator 1 positive input (COMP1_INP); ADC1 trigger is available as a remap option; 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 7 | VSS1/VSSA/VREF- | power_in | I/O ground, analog ground and ADC1 negative voltage reference. |
| 8 | VDD1/VDDA/VREF+ | power_in | Digital power supply, analog supply and ADC1 positive voltage reference; the device operates from 1.8 V to 3.6 V (down to 1.65 V at power down). |
| 9 | PD0 | bidirectional | Port D0 with Timer 3 channel 2 (TIM3_CH2), ADC1 input 22 (ADC1_IN22) and comparator 1 and 2 positive inputs; 3.6 V tolerant I/O, and this pin function is available on STM8L151xx devices only. |
| 10 | PD1 | bidirectional | Port D1 with Timer 1 inverted channel 3 (TIM1_CH3N), ADC1 input 21 (ADC1_IN21) and comparator 1 and 2 positive inputs; 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 11 | PD2 | bidirectional | Port D2 with Timer 1 channel 1 (TIM1_CH1), ADC1 input 20 (ADC1_IN20) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 12 | PD3 | bidirectional | Port D3 with Timer 1 external trigger (TIM1_ETR), ADC1 input 19 (ADC1_IN19) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 13 | PB0 | bidirectional | Port B0 with Timer 2 channel 1 (TIM2_CH1), ADC1 input 18 (ADC1_IN18) and comparator 1 positive input (COMP1_INP); a pull-up is applied during reset and the pin is floating input after reset release, 3.6 V tolerant with high sink/source (20 mA) capability. |
| 14 | PB1 | bidirectional | Port B1 with Timer 3 channel 1 (TIM3_CH1), ADC1 input 17 (ADC1_IN17) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 15 | PB2 | bidirectional | Port B2 with Timer 2 channel 2 (TIM2_CH2), ADC1 input 16 (ADC1_IN16) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 16 | PB3 | bidirectional | Port B3 with Timer 2 external trigger (TIM2_ETR, remap), Timer 1 inverted channel 2 (TIM1_CH2N), ADC1 input 15 (ADC1_IN15) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 17 | PB4 | bidirectional | Port B4 with SPI1 master/slave select (SPI1_NSS, remap), ADC1 input 14 (ADC1_IN14), DAC output (DAC_OUT) and comparator 1 positive input (COMP1_INP); a pull-up is applied during reset and the pin is floating input after reset release. |
| 18 | PB5 | bidirectional | Port B5 with SPI1 clock (SPI1_SCK, remap), ADC1 input 13 (ADC1_IN13), DAC output (DAC_OUT) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 19 | PB6 | bidirectional | Port B6 with SPI1 master out/slave in (SPI1_MOSI, remap), ADC1 input 12 (ADC1_IN12), DAC output (DAC_OUT) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 20 | PB7 | bidirectional | Port B7 with SPI1 master in/slave out (SPI1_MISO, remap), ADC1 input 11 (ADC1_IN11) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 21 | PD4 | bidirectional | Port D4 with Timer 1 channel 2 (TIM1_CH2), ADC1 input 10 (ADC1_IN10) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 22 | PD5 | bidirectional | Port D5 with Timer 1 channel 3 (TIM1_CH3), ADC1 input 9 (ADC1_IN9) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 23 | PD6 | bidirectional | Port D6 with Timer 1 break input (TIM1_BKIN), ADC1 input 8 (ADC1_IN8), RTC calibration (RTC_CALIB), internal voltage reference output (VREFINT) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 24 | PD7 | bidirectional | Port D7 with Timer 1 inverted channel 1 (TIM1_CH1N), ADC1 input 7 (ADC1_IN7), RTC alarm (RTC_ALARM), internal voltage reference output (VREFINT) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 25 | PC0 | bidirectional | Port C0 with I2C1 data (I2C1_SDA); 5 V tolerant I/O configured as true open-drain (no protection diode to VDD). |
| 26 | PC1 | bidirectional | Port C1 with I2C1 clock (I2C1_SCL); 5 V tolerant I/O configured as true open-drain (no protection diode to VDD). |
| 27 | PC2 | bidirectional | Port C2 with USART1 receive (USART1_RX), ADC1 input 6 (ADC1_IN6), comparator 1 positive input (COMP1_INP) and internal voltage reference output (VREFINT); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 28 | PC3 | bidirectional | Port C3 with USART1 transmit (USART1_TX), ADC1 input 5 (ADC1_IN5), comparator 1 positive input (COMP1_INP) and comparator 2 negative input (COMP2_INM); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 29 | PC4 | bidirectional | Port C4 with USART1 synchronous clock (USART1_CK), I2C1_SMB, configurable clock output (CCO), ADC1 input 4 (ADC1_IN4), comparator 2 negative input (COMP2_INM) and comparator 1 positive input (COMP1_INP); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 30 | PC5 | bidirectional | Port C5 with LSE oscillator input (OSC32_IN), SPI1 master/slave select (SPI1_NSS, remap) and USART1 transmit (USART1_TX, remap); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 31 | PC6 | bidirectional | Port C6 with LSE oscillator output (OSC32_OUT), SPI1 clock (SPI1_SCK, remap) and USART1 receive (USART1_RX, remap); 3.6 V tolerant I/O with high sink/source (20 mA) capability. |
| 32 | PA0 | bidirectional | Port A0 with USART1 synchronous clock (USART1_CK, remap), SWIM input and output, beep output (BEEP) and infrared timer output (IR_TIM); high sink LED driver capability, and the pin is in input pull-up during reset and after reset release. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-32(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 32 |
CAD (KiCad official)
- Symbol:
STM8L151K6T3 - Footprint:
Package_QFP:LQFP-32_7x7mm_P0.8mm - 3D model: LQFP-32(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm8l151k6t3-etched.step/stm8l151k6t3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm8l151k6t3.step/stm8l151k6t3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (141 pp, sha256
76f669f0972e887a, retrieved 2026-10-08, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(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).