STM8L052C6T6TR

@@ -0,0 +1,87 @@+# STM8L052C6T6TR++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)++STM8L052C6T6TR from STMicroelectronics, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | PA0/[USART1_CK]/SWIM/BEEP/IR_TIM | bidirectional | Port A0. High-sink LED driver capable. Default alternate: [USART1 synchronous clock] / SWIM input-output / Beep output / Infrared Timer output. PA0 is in input pull-up during and after reset. |+| 2 | NRST/PA1 | bidirectional | Reset input / general-purpose I/O PA1. Bidirectional reset pin with weak pull-up; can be reconfigured as PA1 GPIO (output-only) via option byte. |+| 3 | PA2/OSC_IN/[USART1_TX]/[SPI1_MISO] | bidirectional | Port A2. Default alternate: HSE oscillator input / [USART1 transmit] / [SPI1 MISO]. |+| 4 | PA3/OSC_OUT/[USART1_RX]/[SPI1_MOSI] | bidirectional | Port A3. Default alternate: HSE oscillator output / [USART1 receive] / [SPI1 MOSI]. |+| 5 | PA4/TIM2_BKIN/LCD_COM0/ADC1_IN2 | bidirectional | Port A4. Default alternate: Timer 2 break input / LCD COM 0 / ADC1 input 2. 3.6 V tolerant. |+| 6 | PA5/TIM3_BKIN/LCD_COM1/ADC1_IN1 | bidirectional | Port A5. Default alternate: Timer 3 break input / LCD COM 1 / ADC1 input 1. 3.6 V tolerant. |+| 7 | PA6/[ADC1_TRIG]/LCD_COM2/ADC1_IN0 | bidirectional | Port A6. Default alternate: [ADC1 trigger] / LCD COM 2 / ADC1 input 0. 3.6 V tolerant. |+| 8 | PA7/LCD_SEG0 | bidirectional | Port A7. Default alternate: LCD segment 0. Five-volt tolerant. |+| 9 | VSS1/VSSA/VREF- | power_in | Combined digital I/O ground, analog supply ground, and ADC1 negative voltage reference. |+| 10 | VDD1 | power_in | Digital power supply. 1.8 V to 3.6 V. |+| 11 | VDDA | power_in | Analog supply voltage for ADC and internal reference. 1.8 V to 3.6 V. |+| 12 | VREF+ | power_in | ADC1 positive voltage reference input. |+| 13 | VLCD | passive | LCD booster external capacitor pin (LCD variant). On non-LCD variants this pin is Reserved and must be tied to VDD. |+| 14 | PE0/LCD_SEG1 | bidirectional | Port E0. Default alternate: LCD segment 1. Five-volt tolerant. |+| 15 | PE1/TIM1_CH2N/LCD_SEG2 | bidirectional | Port E1. Default alternate: Timer 1 inverted channel 2 / LCD segment 2. 3.6 V tolerant. |+| 16 | PE2/TIM1_CH3N/LCD_SEG3 | bidirectional | Port E2. Default alternate: Timer 1 inverted channel 3 / LCD segment 3. 3.6 V tolerant. |+| 17 | PE3/LCD_SEG4 | bidirectional | Port E3. Default alternate: LCD segment 4. 3.6 V tolerant. |+| 18 | PE4/LCD_SEG5 | bidirectional | Port E4. Default alternate: LCD segment 5. 3.6 V tolerant. |+| 19 | PE5/LCD_SEG6/ADC1_IN23 | bidirectional | Port E5. Default alternate: LCD segment 6 / ADC1 input 23. 3.6 V tolerant. |+| 20 | PD0/TIM3_CH2/[ADC1_TRIG]/LCD_SEG7/ADC1_IN22 | bidirectional | Port D0. Default alternate: Timer 3 channel 2 / [ADC1 trigger] / LCD segment 7 / ADC1 input 22. 3.6 V tolerant. |+| 21 | PD1/TIM3_ETR/LCD_COM3/ADC1_IN21 | bidirectional | Port D1. Default alternate: Timer 3 external trigger / LCD COM 3 / ADC1 input 21. 3.6 V tolerant. |+| 22 | PD2/TIM1_CH1/LCD_SEG8/ADC1_IN20 | bidirectional | Port D2. Default alternate: Timer 1 channel 1 / LCD segment 8 / ADC1 input 20. 3.6 V tolerant. |+| 23 | PD3/TIM1_ETR/LCD_SEG9/ADC1_IN19 | bidirectional | Port D3. Default alternate: Timer 1 external trigger / LCD segment 9 / ADC1 input 19. 3.6 V tolerant. |+| 24 | PB0/TIM2_CH1/LCD_SEG10/ADC1_IN18 | bidirectional | Port B0. Default alternate: Timer 2 channel 1 / LCD segment 10 / ADC1 input 18. 3.6 V tolerant. Pull-up applied during reset; input floating after reset release. |+| 25 | PB1/TIM3_CH1/LCD_SEG11/ADC1_IN17 | bidirectional | Port B1. Default alternate: Timer 3 channel 1 / LCD segment 11 / ADC1 input 17. 3.6 V tolerant. |+| 26 | PB2/TIM2_CH2/LCD_SEG12/ADC1_IN16 | bidirectional | Port B2. Default alternate: Timer 2 channel 2 / LCD segment 12 / ADC1 input 16. 3.6 V tolerant. |+| 27 | PB3/TIM2_ETR/LCD_SEG13/ADC1_IN15 | bidirectional | Port B3. Default alternate: Timer 2 external trigger / LCD segment 13 / ADC1 input 15. 3.6 V tolerant. |+| 28 | PB4/[SPI1_NSS]/LCD_SEG14/ADC1_IN14 | bidirectional | Port B4. Default alternate: [SPI1 master/slave select] / LCD segment 14 / ADC1 input 14. 3.6 V tolerant. Pull-up applied during reset; input floating after reset release. |+| 29 | PB5/[SPI1_SCK]/LCD_SEG15/ADC1_IN13 | bidirectional | Port B5. Default alternate: [SPI1 clock] / LCD segment 15 / ADC1 input 13. 3.6 V tolerant. |+| 30 | PB6/[SPI1_MOSI]/LCD_SEG16/ADC1_IN12 | bidirectional | Port B6. Default alternate: [SPI1 master out/slave in] / LCD segment 16 / ADC1 input 12. 3.6 V tolerant. |+| 31 | PB7/[SPI1_MISO]/LCD_SEG17/ADC1_IN11 | bidirectional | Port B7. Default alternate: [SPI1 master in/slave out] / LCD segment 17 / ADC1 input 11. 3.6 V tolerant. |+| 32 | PF0/ADC1_IN24 | bidirectional | Port F0. Default alternate: ADC1 input 24. |+| 33 | PD4/TIM1_CH2/LCD_SEG18/ADC1_IN10 | bidirectional | Port D4. Default alternate: Timer 1 channel 2 / LCD segment 18 / ADC1 input 10. 3.6 V tolerant. |+| 34 | PD5/TIM1_CH3/LCD_SEG19/ADC1_IN9 | bidirectional | Port D5. Default alternate: Timer 1 channel 3 / LCD segment 19 / ADC1 input 9. 3.6 V tolerant. |+| 35 | PD6/TIM1_BKIN/LCD_SEG20/ADC1_IN8/RTC_CALIB/VREFINT | bidirectional | Port D6. Default alternate: Timer 1 break input / LCD segment 20 / ADC1 input 8 / RTC calibration / Internal voltage reference output. 3.6 V tolerant. |+| 36 | PD7/TIM1_CH1N/LCD_SEG21/ADC1_IN7/RTC_ALARM/VREFINT | bidirectional | Port D7. Default alternate: Timer 1 inverted channel 1 / LCD segment 21 / ADC1 input 7 / RTC alarm / Internal voltage reference output. 3.6 V tolerant. |+| 37 | PC0/I2C1_SDA | bidirectional | Port C0 / I2C1 data (true open-drain output). Five-volt tolerant. |+| 38 | PC1/I2C1_SCL | bidirectional | Port C1 / I2C1 clock (true open-drain output). Five-volt tolerant. |+| 39 | VDD2 | power_in | IOs supply voltage. |+| 40 | VSS2 | power_in | IOs ground voltage. |+| 41 | PC2/USART1_RX/LCD_SEG22/ADC1_IN6/VREFINT | bidirectional | Port C2. Default alternate: USART1 receive / LCD segment 22 / ADC1 input 6 / Internal voltage reference output. 3.6 V tolerant. |+| 42 | PC3/USART1_TX/LCD_SEG23/ADC1_IN5 | bidirectional | Port C3. Default alternate: USART1 transmit / LCD segment 23 / ADC1 input 5. 3.6 V tolerant. |+| 43 | PC4/USART1_CK/I2C1_SMB/CCO/LCD_SEG24/ADC1_IN4 | bidirectional | Port C4. Default alternate: USART1 synchronous clock / I2C1 SMB / Configurable clock output / LCD segment 24 / ADC1 input 4. 3.6 V tolerant. |+| 44 | PC5/OSC32_IN/[SPI1_NSS]/[USART1_TX] | bidirectional | Port C5. Default alternate: LSE oscillator input / [SPI1 master/slave select] / [USART1 transmit]. |+| 45 | PC6/OSC32_OUT/[SPI1_SCK]/[USART1_RX] | bidirectional | Port C6. Default alternate: LSE oscillator output / [SPI1 clock] / [USART1 receive]. |+| 46 | PC7/LCD_SEG25/ADC1_IN3 | bidirectional | Port C7. Default alternate: LCD segment 25 / ADC1 input 3. 3.6 V tolerant. |+| 47 | PE6/LCD_SEG26/PVD_IN | bidirectional | Port E6. Default alternate: LCD segment 26 / PVD external input. 3.6 V tolerant. |+| 48 | PE7/LCD_SEG27 | bidirectional | Port E7. Default alternate: LCD segment 27. 3.6 V tolerant. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-48(7x7) |+| Category | MCU |+| Pins | 48 |++## Ordering variants++- `STM8L052C6T6TRT6`++## CAD (KiCad official)++- Symbol: `STM8L052C6T6TR`+- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`+- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/stm8l052c6t6tr.pdf) (103 pp, sha256 `b0b463f58d51c7f5`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/stm8l052c6t6tr-datasheet.pdf)