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STM32L053R6T6
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.
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README.mdadded+100@@ -0,0 +1,100 @@+# STM32L053R6T6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)++STM32L053R6T6 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 | VLCD | power_in | LCD power supply pin (VLCD) for the LCD controller; see the optional LCD power supply scheme in section 6.1.7. |+| 2 | PC13 | bidirectional | 5 V tolerant I/O (FT) with alternate functions RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2. |+| 3 | PC14-OSC32_IN | bidirectional | 5 V tolerant I/O (FT), default function PC14, with OSC32_IN low-speed oscillator input function. |+| 4 | PC15-OSC32_OUT | bidirectional | 3.3 V standard I/O (TC), default function PC15, with OSC32_OUT low-speed oscillator output function. |+| 5 | PH0-OSC_IN | bidirectional | 3.3 V standard I/O (TC), default function PH0, with OSC_IN high-speed oscillator input and USB_CRS_SYNC alternate function. |+| 6 | PH1-OSC_OUT | bidirectional | 3.3 V standard I/O (TC), default function PH1, with OSC_OUT high-speed oscillator output function. |+| 7 | NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor. |+| 8 | PC0 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LPTIM1_IN1, LCD_SEG18, EVENTOUT, TSC_G7_IO1 and ADC input ADC_IN10. |+| 9 | PC1 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LPTIM1_OUT, LCD_SEG19, EVENTOUT, TSC_G7_IO2 and ADC input ADC_IN11. |+| 10 | PC2 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LPTIM1_IN2, LCD_SEG20, SPI2_MISO/I2S2_MCK, TSC_G7_IO3 and ADC input ADC_IN12. |+| 11 | PC3 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LPTIM1_ETR, LCD_SEG21, SPI2_MOSI/I2S2_SD, TSC_G7_IO4 and ADC input ADC_IN13. |+| 12 | VSSA | power_in | Analog ground pin. |+| 13 | VDDA | power_in | Analog power supply pin. |+| 14 | PA0 | bidirectional | 3.3 V standard I/O (TC) with alternate functions TIM2_CH1, TSC_G1_IO1, USART2_CTS, TIM2_ETR, COMP1_OUT, and ADC_IN0, COMP1_INM6, RTC_TAMP2/WKUP1. |+| 15 | PA1 | bidirectional | 5 V tolerant I/O (FT) with alternate functions EVENTOUT, LCD_SEG0, TIM2_CH2, TSC_G1_IO2, USART2_RTS/USART2_DE, TIM21_ETR, and ADC_IN1, COMP1_INP. |+| 16 | PA2 | bidirectional | 5 V tolerant I/O (FT) with alternate functions TIM21_CH1, LCD_SEG1, TIM2_CH3, TSC_G1_IO3, USART2_TX, COMP2_OUT, and ADC_IN2, COMP2_INM6. |+| 17 | PA3 | bidirectional | 5 V tolerant I/O (FT) with alternate functions TIM21_CH2, LCD_SEG2, TIM2_CH4, TSC_G1_IO4, USART2_RX, and ADC_IN3, COMP2_INP. |+| 18 | VSS | power_in | Ground pin. |+| 19 | VDD | power_in | Power supply pin. |+| 20 | PA4 | bidirectional | 3.3 V standard I/O (TC) with reduced touch sensing sensitivity (sampling capacitor I/O recommended), alternate functions SPI1_NSS, TSC_G2_IO1, USART2_CK, TIM22_ETR, and ADC_IN4, COMP1_INM4, COMP2_INM4, DAC_OUT. |+| 21 | PA5 | bidirectional | 3.3 V standard I/O (TC) with alternate functions SPI1_SCK, TIM2_ETR, TSC_G2_IO2, TIM2_CH1, and ADC_IN5, COMP1_INM5, COMP2_INM5. |+| 22 | PA6 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_MISO, LCD_SEG3, TSC_G2_IO3, LPUART1_CTS, TIM22_CH1, EVENTOUT, COMP1_OUT, and ADC_IN6. |+| 23 | PA7 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_MOSI, LCD_SEG4, TSC_G2_IO4, TIM22_CH2, EVENTOUT, COMP2_OUT, and ADC_IN7. |+| 24 | PC4 | bidirectional | 5 V tolerant I/O (FT) with alternate functions EVENTOUT, LCD_SEG22, LPUART1_TX, and ADC input ADC_IN14. |+| 25 | PC5 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LCD_SEG23, LPUART1_RX, TSC_G3_IO1, and ADC input ADC_IN15. |+| 26 | PB0 | bidirectional | 5 V tolerant I/O (FT) with alternate functions EVENTOUT, LCD_SEG5, TSC_G3_IO2, and additional functions LCD_VLCD3, ADC_IN8, VREF_OUT. |+| 27 | PB1 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LCD_SEG6, TSC_G3_IO3, LPUART1_RTS/LPUART1_DE, and additional functions ADC_IN9, VREF_OUT. |+| 28 | PB2 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LPTIM1_OUT, TSC_G3_IO4, and additional function LCD_VLCD2. |+| 29 | PB10 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LCD_SEG10, TIM2_CH3, TSC_SYNC, LPUART1_TX, SPI2_SCK, I2C2_SCL. |+| 30 | PB11 | bidirectional | 5 V tolerant I/O (FT) with alternate functions EVENTOUT, LCD_SEG11, TIM2_CH4, TSC_G6_IO1, LPUART1_RX, I2C2_SDA. |+| 31 | VSS | power_in | Ground pin. |+| 32 | VDD | power_in | Power supply pin. |+| 33 | PB12 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI2_NSS/I2S2_WS, LCD_SEG12, LPUART1_RTS/LPUART1_DE, TSC_G6_IO2, I2C2_SMBA, EVENTOUT, and additional function LCD_VLCD1. |+| 34 | PB13 | bidirectional | 5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions SPI2_SCK/I2S2_CK, LCD_SEG13, TSC_G6_IO3, LPUART1_CTS, I2C2_SCL, TIM21_CH1. |+| 35 | PB14 | bidirectional | 5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions SPI2_MISO/I2S2_MCK, LCD_SEG14, RTC_OUT, TSC_G6_IO4, LPUART1_RTS/LPUART1_DE, I2C2_SDA, TIM21_CH2. |+| 36 | PB15 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI2_MOSI/I2S2_SD, LCD_SEG15, RTC_REFIN. |+| 37 | PC6 | bidirectional | 5 V tolerant I/O (FT) with alternate functions TIM22_CH1, LCD_SEG24, TSC_G8_IO1. |+| 38 | PC7 | bidirectional | 5 V tolerant I/O (FT) with alternate functions TIM22_CH2, LCD_SEG25, TSC_G8_IO2. |+| 39 | PC8 | bidirectional | 5 V tolerant I/O (FT) with alternate functions TIM22_ETR, LCD_SEG26, TSC_G8_IO3. |+| 40 | PC9 | bidirectional | 5 V tolerant I/O (FT) with alternate functions TIM21_ETR, LCD_SEG27, USB_NOE, TSC_G8_IO4. |+| 41 | PA8 | bidirectional | 5 V tolerant I/O (FT) with alternate functions MCO, LCD_COM0, USB_CRS_SYNC, EVENTOUT, USART1_CK. |+| 42 | PA9 | bidirectional | 5 V tolerant I/O (FT) with alternate functions MCO, LCD_COM1, TSC_G4_IO1, USART1_TX. |+| 43 | PA10 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LCD_COM2, TSC_G4_IO2, USART1_RX. |+| 44 | PA11 | bidirectional | 5 V tolerant I/O (FT, note 2: powered by VDD_USB) with alternate functions SPI1_MISO, EVENTOUT, TSC_G4_IO3, USART1_CTS, COMP1_OUT, and additional function USB_DM. |+| 45 | PA12 | bidirectional | 5 V tolerant I/O (FT, note 2: powered by VDD_USB) with alternate functions SPI1_MOSI, EVENTOUT, TSC_G4_IO4, USART1_RTS/USART1_DE, COMP2_OUT, and additional function USB_DP. |+| 46 | PA13 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SWDIO and USB_NOE. |+| 47 | VSS | power_in | Ground pin. |+| 48 | VDD_USB | power_in | Power supply pin for the I/O pins supplied through VDD_USB (PA11, PA12); VDD_USB must be used instead of VDD for characteristics referring to those pins. |+| 49 | PA14 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SWCLK and USART2_TX. |+| 50 | PA15 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_NSS, LCD_SEG17, TIM2_ETR, EVENTOUT, USART2_RX, TIM2_CH1. |+| 51 | PC10 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LPUART1_TX and LCD_COM4/LCD_SEG28/LCD_SEG40. |+| 52 | PC11 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LPUART1_RX and LCD_COM5/LCD_SEG29/LCD_SEG41. |+| 53 | PC12 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LCD_COM6/LCD_SEG30/LCD_SEG42. |+| 54 | PD2 | bidirectional | 5 V tolerant I/O (FT) with alternate functions LPUART1_RTS/LPUART1_DE and LCD_COM7/LCD_SEG31/LCD_SEG43. |+| 55 | PB3 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_SCK, LCD_SEG7, TIM2_CH2, TSC_G5I_O1 (as printed), EVENTOUT, and additional function COMP2_INN. |+| 56 | PB4 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_MISO, LCD_SEG8, EVENTOUT, TSC_G5_IO2, TIM22_CH1, and additional function COMP2_INP. |+| 57 | PB5 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_MOSI, LCD_SEG9, LPTIM1_IN1, I2C1_SMBA, TIM22_CH2, and additional function COMP2_INP. |+| 58 | PB6 | bidirectional | 5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions USART1_TX, I2C1_SCL, LPTIM1_ETR, TSC_G5_IO3, and additional function COMP2_INP. |+| 59 | PB7 | bidirectional | 5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions USART1_RX, I2C1_SDA, LPTIM1_IN2, TSC_G5_IO4, and additional functions COMP2_INP, PVD_IN. |+| 60 | BOOT0 | input | Dedicated BOOT0 boot-mode selection pin. |+| 61 | PB8 | bidirectional | 5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions LCD_SEG16, TSC_SYNC, I2C1_SCL. |+| 62 | PB9 | bidirectional | 5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions LCD_COM3, EVENTOUT, I2C1_SDA, SPI2_NSS/I2S2_WS. |+| 63 | VSS | power_in | Ground pin. |+| 64 | VDD | power_in | Power supply pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-64(10x10) |+| Category | Embedded Processors & Controllers |+| Pins | 64 |++## CAD (KiCad official)++- Symbol: `STM32L053R6T6`+- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`+- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)+- 3D model files: `stm32l053r6t6-etched.step` / `stm32l053r6t6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l053r6t6.step` / `stm32l053r6t6.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899454534995968) (136 pp, sha256 `b30ef01e0e2d9c80`, retrieved 2026-10-07, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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](docs/stm32l053r6t6-datasheet.pdf)
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Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32l053r6t6",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32l053r6t6.kicad_sym",+ "stm32l053r6t6.kicad_mod",+ "stm32l053r6t6.glb",+ "stm32l053r6t6.step",+ "stm32l053r6t6.lbr",+ "docs/hero.png",+ "docs/stm32l053r6t6-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "stm32l053r6t6-hero.glb",+ "stm32l053r6t6-hero.overlay.json"+ ],+ "component": {+ "mpn": "STM32L053R6T6",+ "manufacturer": "STMicroelectronics",+ "package": "LQFP-64(10x10)",+ "pin_count": 64,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899454534995968",+ "parts": {+ "symbol": "stm32l053r6t6.kicad_sym",+ "footprint": "stm32l053r6t6.kicad_mod",+ "model_3d": "stm32l053r6t6-hero.glb",+ "model_3d_plain": "stm32l053r6t6.glb",+ "model_3d_step": "stm32l053r6t6-etched.step",+ "model_3d_step_plain": "stm32l053r6t6.step",+ "lbr": "stm32l053r6t6.lbr"+ },+ "distributor_links": {+ "lcsc": "C1339433",+ "digikey": "497-17898-ND",+ "mouser": "511-STM32L053R6T6"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T23:25:13Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-17898-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32L053R6T6",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VLCD",+ "type": "power_in",+ "description": "LCD power supply pin (VLCD) for the LCD controller; see the optional LCD power supply scheme in section 6.1.7."+ },+ {+ "number": "2",+ "name": "PC13",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT), default function PC14, with OSC32_IN low-speed oscillator input function."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "3.3 V standard I/O (TC), default function PC15, with OSC32_OUT low-speed oscillator output function."+ },+ {+ "number": "5",+ "name": "PH0-OSC_IN",+ "type": "bidirectional",+ "description": "3.3 V standard I/O (TC), default function PH0, with OSC_IN high-speed oscillator input and USB_CRS_SYNC alternate function."+ },+ {+ "number": "6",+ "name": "PH1-OSC_OUT",+ "type": "bidirectional",+ "description": "3.3 V standard I/O (TC), default function PH1, with OSC_OUT high-speed oscillator output function."+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Bidirectional reset pin with embedded weak pull-up resistor."+ },+ {+ "number": "8",+ "name": "PC0",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LPTIM1_IN1, LCD_SEG18, EVENTOUT, TSC_G7_IO1 and ADC input ADC_IN10."+ },+ {+ "number": "9",+ "name": "PC1",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LPTIM1_OUT, LCD_SEG19, EVENTOUT, TSC_G7_IO2 and ADC input ADC_IN11."+ },+ {+ "number": "10",+ "name": "PC2",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LPTIM1_IN2, LCD_SEG20, SPI2_MISO/I2S2_MCK, TSC_G7_IO3 and ADC input ADC_IN12."+ },+ {+ "number": "11",+ "name": "PC3",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LPTIM1_ETR, LCD_SEG21, SPI2_MOSI/I2S2_SD, TSC_G7_IO4 and ADC input ADC_IN13."+ },+ {+ "number": "12",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground pin."+ },+ {+ "number": "13",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply pin."+ },+ {+ "number": "14",+ "name": "PA0",+ "type": "bidirectional",+ "description": "3.3 V standard I/O (TC) with alternate functions TIM2_CH1, TSC_G1_IO1, USART2_CTS, TIM2_ETR, COMP1_OUT, and ADC_IN0, COMP1_INM6, RTC_TAMP2/WKUP1."+ },+ {+ "number": "15",+ "name": "PA1",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions EVENTOUT, LCD_SEG0, TIM2_CH2, TSC_G1_IO2, USART2_RTS/USART2_DE, TIM21_ETR, and ADC_IN1, COMP1_INP."+ },+ {+ "number": "16",+ "name": "PA2",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions TIM21_CH1, LCD_SEG1, TIM2_CH3, TSC_G1_IO3, USART2_TX, COMP2_OUT, and ADC_IN2, COMP2_INM6."+ },+ {+ "number": "17",+ "name": "PA3",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions TIM21_CH2, LCD_SEG2, TIM2_CH4, TSC_G1_IO4, USART2_RX, and ADC_IN3, COMP2_INP."+ },+ {+ "number": "18",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "19",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply pin."+ },+ {+ "number": "20",+ "name": "PA4",+ "type": "bidirectional",+ "description": "3.3 V standard I/O (TC) with reduced touch sensing sensitivity (sampling capacitor I/O recommended), alternate functions SPI1_NSS, TSC_G2_IO1, USART2_CK, TIM22_ETR, and ADC_IN4, COMP1_INM4, COMP2_INM4, DAC_OUT."+ },+ {+ "number": "21",+ "name": "PA5",+ "type": "bidirectional",+ "description": "3.3 V standard I/O (TC) with alternate functions SPI1_SCK, TIM2_ETR, TSC_G2_IO2, TIM2_CH1, and ADC_IN5, COMP1_INM5, COMP2_INM5."+ },+ {+ "number": "22",+ "name": "PA6",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_MISO, LCD_SEG3, TSC_G2_IO3, LPUART1_CTS, TIM22_CH1, EVENTOUT, COMP1_OUT, and ADC_IN6."+ },+ {+ "number": "23",+ "name": "PA7",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_MOSI, LCD_SEG4, TSC_G2_IO4, TIM22_CH2, EVENTOUT, COMP2_OUT, and ADC_IN7."+ },+ {+ "number": "24",+ "name": "PC4",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions EVENTOUT, LCD_SEG22, LPUART1_TX, and ADC input ADC_IN14."+ },+ {+ "number": "25",+ "name": "PC5",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LCD_SEG23, LPUART1_RX, TSC_G3_IO1, and ADC input ADC_IN15."+ },+ {+ "number": "26",+ "name": "PB0",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions EVENTOUT, LCD_SEG5, TSC_G3_IO2, and additional functions LCD_VLCD3, ADC_IN8, VREF_OUT."+ },+ {+ "number": "27",+ "name": "PB1",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LCD_SEG6, TSC_G3_IO3, LPUART1_RTS/LPUART1_DE, and additional functions ADC_IN9, VREF_OUT."+ },+ {+ "number": "28",+ "name": "PB2",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LPTIM1_OUT, TSC_G3_IO4, and additional function LCD_VLCD2."+ },+ {+ "number": "29",+ "name": "PB10",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LCD_SEG10, TIM2_CH3, TSC_SYNC, LPUART1_TX, SPI2_SCK, I2C2_SCL."+ },+ {+ "number": "30",+ "name": "PB11",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions EVENTOUT, LCD_SEG11, TIM2_CH4, TSC_G6_IO1, LPUART1_RX, I2C2_SDA."+ },+ {+ "number": "31",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "32",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply pin."+ },+ {+ "number": "33",+ "name": "PB12",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI2_NSS/I2S2_WS, LCD_SEG12, LPUART1_RTS/LPUART1_DE, TSC_G6_IO2, I2C2_SMBA, EVENTOUT, and additional function LCD_VLCD1."+ },+ {+ "number": "34",+ "name": "PB13",+ "type": "bidirectional",+ "description": "5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions SPI2_SCK/I2S2_CK, LCD_SEG13, TSC_G6_IO3, LPUART1_CTS, I2C2_SCL, TIM21_CH1."+ },+ {+ "number": "35",+ "name": "PB14",+ "type": "bidirectional",+ "description": "5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions SPI2_MISO/I2S2_MCK, LCD_SEG14, RTC_OUT, TSC_G6_IO4, LPUART1_RTS/LPUART1_DE, I2C2_SDA, TIM21_CH2."+ },+ {+ "number": "36",+ "name": "PB15",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI2_MOSI/I2S2_SD, LCD_SEG15, RTC_REFIN."+ },+ {+ "number": "37",+ "name": "PC6",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions TIM22_CH1, LCD_SEG24, TSC_G8_IO1."+ },+ {+ "number": "38",+ "name": "PC7",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions TIM22_CH2, LCD_SEG25, TSC_G8_IO2."+ },+ {+ "number": "39",+ "name": "PC8",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions TIM22_ETR, LCD_SEG26, TSC_G8_IO3."+ },+ {+ "number": "40",+ "name": "PC9",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions TIM21_ETR, LCD_SEG27, USB_NOE, TSC_G8_IO4."+ },+ {+ "number": "41",+ "name": "PA8",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions MCO, LCD_COM0, USB_CRS_SYNC, EVENTOUT, USART1_CK."+ },+ {+ "number": "42",+ "name": "PA9",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions MCO, LCD_COM1, TSC_G4_IO1, USART1_TX."+ },+ {+ "number": "43",+ "name": "PA10",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LCD_COM2, TSC_G4_IO2, USART1_RX."+ },+ {+ "number": "44",+ "name": "PA11",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT, note 2: powered by VDD_USB) with alternate functions SPI1_MISO, EVENTOUT, TSC_G4_IO3, USART1_CTS, COMP1_OUT, and additional function USB_DM."+ },+ {+ "number": "45",+ "name": "PA12",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT, note 2: powered by VDD_USB) with alternate functions SPI1_MOSI, EVENTOUT, TSC_G4_IO4, USART1_RTS/USART1_DE, COMP2_OUT, and additional function USB_DP."+ },+ {+ "number": "46",+ "name": "PA13",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SWDIO and USB_NOE."+ },+ {+ "number": "47",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "48",+ "name": "VDD_USB",+ "type": "power_in",+ "description": "Power supply pin for the I/O pins supplied through VDD_USB (PA11, PA12); VDD_USB must be used instead of VDD for characteristics referring to those pins."+ },+ {+ "number": "49",+ "name": "PA14",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SWCLK and USART2_TX."+ },+ {+ "number": "50",+ "name": "PA15",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_NSS, LCD_SEG17, TIM2_ETR, EVENTOUT, USART2_RX, TIM2_CH1."+ },+ {+ "number": "51",+ "name": "PC10",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LPUART1_TX and LCD_COM4/LCD_SEG28/LCD_SEG40."+ },+ {+ "number": "52",+ "name": "PC11",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LPUART1_RX and LCD_COM5/LCD_SEG29/LCD_SEG41."+ },+ {+ "number": "53",+ "name": "PC12",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LCD_COM6/LCD_SEG30/LCD_SEG42."+ },+ {+ "number": "54",+ "name": "PD2",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions LPUART1_RTS/LPUART1_DE and LCD_COM7/LCD_SEG31/LCD_SEG43."+ },+ {+ "number": "55",+ "name": "PB3",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_SCK, LCD_SEG7, TIM2_CH2, TSC_G5I_O1 (as printed), EVENTOUT, and additional function COMP2_INN."+ },+ {+ "number": "56",+ "name": "PB4",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_MISO, LCD_SEG8, EVENTOUT, TSC_G5_IO2, TIM22_CH1, and additional function COMP2_INP."+ },+ {+ "number": "57",+ "name": "PB5",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_MOSI, LCD_SEG9, LPTIM1_IN1, I2C1_SMBA, TIM22_CH2, and additional function COMP2_INP."+ },+ {+ "number": "58",+ "name": "PB6",+ "type": "bidirectional",+ "description": "5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions USART1_TX, I2C1_SCL, LPTIM1_ETR, TSC_G5_IO3, and additional function COMP2_INP."+ },+ {+ "number": "59",+ "name": "PB7",+ "type": "bidirectional",+ "description": "5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions USART1_RX, I2C1_SDA, LPTIM1_IN2, TSC_G5_IO4, and additional functions COMP2_INP, PVD_IN."+ },+ {+ "number": "60",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated BOOT0 boot-mode selection pin."+ },+ {+ "number": "61",+ "name": "PB8",+ "type": "bidirectional",+ "description": "5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions LCD_SEG16, TSC_SYNC, I2C1_SCL."+ },+ {+ "number": "62",+ "name": "PB9",+ "type": "bidirectional",+ "description": "5 V tolerant Fast-mode-Plus capable I/O (FTf) with alternate functions LCD_COM3, EVENTOUT, I2C1_SDA, SPI2_NSS/I2S2_WS."+ },+ {+ "number": "63",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "64",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply pin."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Table 15 prints the PB3 alternate function as 'TSC_G5I_O1', which appears to be a typo for TSC_G5_IO; Pin type for NRST is taken from the table's I/O class with RST structure and mapped to bidirectional; Pin type for BOOT0 is taken from the table's 'I' (input-only, dedicated BOOT0 pin) classification."+ ],+ "pages_sent": 56,+ "cost_usd": 0.29,+ "at": "2026-10-07T23:24:44"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899454534995968",+ "pages": 136,+ "sha256": "b30ef01e0e2d9c80",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 64,+ "described": 64,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "stm32l053r6t6.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 12,+ 12,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stm32l053r6t6-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 12,+ 12,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "c59681c2acde55164c32907f64125d8a793fe1a8d1248447eb250b823a6fb191",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}