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STM32L053C8T7
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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+84@@ -0,0 +1,84 @@+# STM32L053C8T7++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)++STM32L053C8T7 from STMicroelectronics, in a LQFP-48(7x7). 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 for the optional LCD step-up converter; the datasheet gives no further voltage limit for this pin in the pin table. |+| 2 | PC13 | bidirectional | 5 V tolerant (FT) I/O with additional functions RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2; floating input during and after reset. |+| 3 | PC14-OSC32_IN | bidirectional | 5 V tolerant (FT) I/O that is also the 32 kHz oscillator input OSC32_IN; floating input during and after reset. |+| 4 | PC15-OSC32_OUT | bidirectional | Standard 3.3 V (TC) I/O that is also the 32 kHz oscillator output OSC32_OUT; floating input during and after reset. |+| 5 | PH0-OSC_IN | bidirectional | Standard 3.3 V (TC) I/O that is also the HSE oscillator input OSC_IN, with alternate function USB_CRS_SYNC. |+| 6 | PH1-OSC_OUT | bidirectional | Standard 3.3 V (TC) I/O that is also the HSE oscillator output OSC_OUT. |+| 7 | NRST | bidirectional | Bidirectional active-low reset pin with embedded weak pull-up resistor. |+| 8 | VSSA | power_in | Analog ground supply pin for the ADC, DAC, comparators and reference. |+| 9 | VDDA | power_in | Analog supply pin for the ADC, DAC, comparators and reference. |+| 10 | PA0 | bidirectional | Standard 3.3 V (TC) I/O with alternate functions TIM2_CH1, TSC_G1_IO1, USART2_CTS, TIM2_ETR, COMP1_OUT and additional functions COMP1_INM6, ADC_IN0, RTC_TAMP2/WKUP1. |+| 11 | PA1 | bidirectional | 5 V tolerant (FT) I/O with alternate functions EVENTOUT, LCD_SEG0, TIM2_CH2, TSC_G1_IO2, USART2_RTS/USART2_DE, TIM21_ETR and additional functions COMP1_INP, ADC_IN1. |+| 12 | PA2 | bidirectional | 5 V tolerant (FT) I/O with alternate functions TIM21_CH1, LCD_SEG1, TIM2_CH3, TSC_G1_IO3, USART2_TX, COMP2_OUT and additional functions COMP2_INM6, ADC_IN2. |+| 13 | PA3 | bidirectional | 5 V tolerant (FT) I/O with alternate functions TIM21_CH2, LCD_SEG2, TIM2_CH4, TSC_G1_IO4, USART2_RX and additional functions COMP2_INP, ADC_IN3. |+| 14 | PA4 | bidirectional | Standard 3.3 V (TC) I/O with reduced touch sensing sensitivity, so it is recommended to use it as a sampling capacitor I/O; alternate functions SPI1_NSS, TSC_G2_IO1, USART2_CK, TIM22_ETR and additional functions COMP1_INM4, COMP2_INM4, ADC_IN4, DAC_OUT. |+| 15 | PA5 | bidirectional | Standard 3.3 V (TC) I/O with alternate functions SPI1_SCK, TIM2_ETR, TSC_G2_IO2, TIM2_CH1 and additional functions COMP1_INM5, COMP2_INM5, ADC_IN5. |+| 16 | PA6 | bidirectional | 5 V tolerant (FT) I/O with alternate functions SPI1_MISO, LCD_SEG3, TSC_G2_IO3, LPUART1_CTS, TIM22_CH1, EVENTOUT, COMP1_OUT and additional function ADC_IN6. |+| 17 | PA7 | bidirectional | 5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, LCD_SEG4, TSC_G2_IO4, TIM22_CH2, EVENTOUT, COMP2_OUT and additional function ADC_IN7. |+| 18 | PB0 | bidirectional | 5 V tolerant (FT) I/O with alternate functions EVENTOUT, LCD_SEG5, TSC_G3_IO2 and additional functions LCD_VLCD3, ADC_IN8, VREF_OUT. |+| 19 | PB1 | bidirectional | 5 V tolerant (FT) I/O with alternate functions LCD_SEG6, TSC_G3_IO3, LPUART1_RTS/LPUART1_DE and additional functions ADC_IN9, VREF_OUT. |+| 20 | PB2 | bidirectional | 5 V tolerant (FT) I/O with alternate functions LPTIM1_OUT, TSC_G3_IO4 and additional function LCD_VLCD2. |+| 21 | PB10 | bidirectional | 5 V tolerant (FT) I/O with alternate functions LCD_SEG10, TIM2_CH3, TSC_SYNC, LPUART1_TX, SPI2_SCK, I2C2_SCL. |+| 22 | PB11 | bidirectional | 5 V tolerant (FT) I/O with alternate functions EVENTOUT, LCD_SEG11, TIM2_CH4, TSC_G6_IO1, LPUART1_RX, I2C2_SDA. |+| 23 | VSS | power_in | Ground supply pin. |+| 24 | VDD | power_in | Digital supply pin (1.65 V to 3.6 V device supply range). |+| 25 | PB12 | bidirectional | 5 V tolerant (FT) I/O with alternate functions SPI2_NSS/I2S2_WS, LCD_SEG12, LPUART1_RTS/LPUART1_DE, TSC_G6_IO2, I2C2_SMBA, EVENTOUT and additional function LCD_VLCD1. |+| 26 | PB13 | bidirectional | 5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions SPI2_SCK/I2S2_CK, LCD_SEG13, TSC_G6_IO3, LPUART1_CTS, I2C2_SCL, TIM21_CH1. |+| 27 | PB14 | bidirectional | 5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions SPI2_MISO/I2S2_MCK, LCD_SEG14, RTC_OUT, TSC_G6_IO4, LPUART1_RTS/LPUART1_DE, I2C2_SDA, TIM21_CH2. |+| 28 | PB15 | bidirectional | 5 V tolerant (FT) I/O with alternate functions SPI2_MOSI/I2S2_SD, LCD_SEG15, RTC_REFIN. |+| 29 | PA8 | bidirectional | 5 V tolerant (FT) I/O with alternate functions MCO, LCD_COM0, USB_CRS_SYNC, EVENTOUT, USART1_CK. |+| 30 | PA9 | bidirectional | 5 V tolerant (FT) I/O with alternate functions MCO, LCD_COM1, TSC_G4_IO1, USART1_TX. |+| 31 | PA10 | bidirectional | 5 V tolerant (FT) I/O with alternate functions LCD_COM2, TSC_G4_IO2, USART1_RX. |+| 32 | PA11 | bidirectional | 5 V tolerant (FT) I/O powered by VDD_USB (note 2), with alternate functions SPI1_MISO, EVENTOUT, TSC_G4_IO3, USART1_CTS, COMP1_OUT and additional function USB_DM. |+| 33 | PA12 | bidirectional | 5 V tolerant (FT) I/O powered by VDD_USB (note 2), with alternate functions SPI1_MOSI, EVENTOUT, TSC_G4_IO4, USART1_RTS/USART1_DE, COMP2_OUT and additional function USB_DP. |+| 34 | PA13 | bidirectional | 5 V tolerant (FT) I/O with alternate functions SWDIO and USB_NOE. |+| 35 | VSS | power_in | Ground supply pin. |+| 36 | VDD_USB | power_in | Supply pin for the I/Os PA11 and PA12 and the USB; for characteristics that refer to VDD on those pins, VDD_USB must be used. |+| 37 | PA14 | bidirectional | 5 V tolerant (FT) I/O with alternate functions SWCLK and USART2_TX. |+| 38 | PA15 | bidirectional | 5 V tolerant (FT) I/O with alternate functions SPI1_NSS, LCD_SEG17, TIM2_ETR, EVENTOUT, USART2_RX, TIM2_CH1. |+| 39 | PB3 | bidirectional | 5 V tolerant (FT) I/O with alternate functions SPI1_SCK, LCD_SEG7, TIM2_CH2, TSC_G5_IO1, EVENTOUT and additional function COMP2_INN. |+| 40 | PB4 | bidirectional | 5 V tolerant (FT) I/O with alternate functions SPI1_MISO, LCD_SEG8, EVENTOUT, TSC_G5_IO2, TIM22_CH1 and additional function COMP2_INP. |+| 41 | PB5 | bidirectional | 5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, LCD_SEG9, LPTIM1_IN1, I2C1_SMBA, TIM22_CH2 and additional function COMP2_INP. |+| 42 | PB6 | bidirectional | 5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions USART1_TX, I2C1_SCL, LPTIM1_ETR, TSC_G5_IO3 and additional function COMP2_INP. |+| 43 | PB7 | bidirectional | 5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions USART1_RX, I2C1_SDA, LPTIM1_IN2, TSC_G5_IO4 and additional functions COMP2_INP, PVD_IN. |+| 44 | BOOT0 | input | Dedicated BOOT0 input pin used to select the boot mode. |+| 45 | PB8 | bidirectional | 5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions LCD_SEG16, TSC_SYNC, I2C1_SCL. |+| 46 | PB9 | bidirectional | 5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions LCD_COM3, EVENTOUT, I2C1_SDA, SPI2_NSS/I2S2_WS. |+| 47 | VSS | power_in | Ground supply pin. |+| 48 | VDD | power_in | Digital supply pin (1.65 V to 3.6 V device supply range). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-48(7x7) |+| Category | Embedded Processors & Controllers |+| Pins | 48 |++## CAD (KiCad official)++- Symbol: `STM32L053C8T7`+- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`+- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)+- 3D model files: `stm32l053c8t7-etched.step` / `stm32l053c8t7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l053c8t7.step` / `stm32l053c8t7.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/8588922721686601728) (136 pp, sha256 `b30ef01e0e2d9c80`, retrieved 2026-10-08, 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/stm32l053c8t7-datasheet.pdf)
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the datasheet gives no further voltage limit for this pin in the pin table."+ },+ {+ "number": "2",+ "name": "PC13",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with additional functions RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2; floating input during and after reset."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O that is also the 32 kHz oscillator input OSC32_IN; floating input during and after reset."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "Standard 3.3 V (TC) I/O that is also the 32 kHz oscillator output OSC32_OUT; floating input during and after reset."+ },+ {+ "number": "5",+ "name": "PH0-OSC_IN",+ "type": "bidirectional",+ "description": "Standard 3.3 V (TC) I/O that is also the HSE oscillator input OSC_IN, with alternate function USB_CRS_SYNC."+ },+ {+ "number": "6",+ "name": "PH1-OSC_OUT",+ "type": "bidirectional",+ "description": "Standard 3.3 V (TC) I/O that is also the HSE oscillator output OSC_OUT."+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Bidirectional active-low reset pin with embedded weak pull-up resistor."+ },+ {+ "number": "8",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground supply pin for the ADC, DAC, comparators and reference."+ },+ {+ "number": "9",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog supply pin for the ADC, DAC, comparators and reference."+ },+ {+ "number": "10",+ "name": "PA0",+ "type": "bidirectional",+ "description": "Standard 3.3 V (TC) I/O with alternate functions TIM2_CH1, TSC_G1_IO1, USART2_CTS, TIM2_ETR, COMP1_OUT and additional functions COMP1_INM6, ADC_IN0, RTC_TAMP2/WKUP1."+ },+ {+ "number": "11",+ "name": "PA1",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions EVENTOUT, LCD_SEG0, TIM2_CH2, TSC_G1_IO2, USART2_RTS/USART2_DE, TIM21_ETR and additional functions COMP1_INP, ADC_IN1."+ },+ {+ "number": "12",+ "name": "PA2",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions TIM21_CH1, LCD_SEG1, TIM2_CH3, TSC_G1_IO3, USART2_TX, COMP2_OUT and additional functions COMP2_INM6, ADC_IN2."+ },+ {+ "number": "13",+ "name": "PA3",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions TIM21_CH2, LCD_SEG2, TIM2_CH4, TSC_G1_IO4, USART2_RX and additional functions COMP2_INP, ADC_IN3."+ },+ {+ "number": "14",+ "name": "PA4",+ "type": "bidirectional",+ "description": "Standard 3.3 V (TC) I/O with reduced touch sensing sensitivity, so it is recommended to use it as a sampling capacitor I/O; alternate functions SPI1_NSS, TSC_G2_IO1, USART2_CK, TIM22_ETR and additional functions COMP1_INM4, COMP2_INM4, ADC_IN4, DAC_OUT."+ },+ {+ "number": "15",+ "name": "PA5",+ "type": "bidirectional",+ "description": "Standard 3.3 V (TC) I/O with alternate functions SPI1_SCK, TIM2_ETR, TSC_G2_IO2, TIM2_CH1 and additional functions COMP1_INM5, COMP2_INM5, ADC_IN5."+ },+ {+ "number": "16",+ "name": "PA6",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MISO, LCD_SEG3, TSC_G2_IO3, LPUART1_CTS, TIM22_CH1, EVENTOUT, COMP1_OUT and additional function ADC_IN6."+ },+ {+ "number": "17",+ "name": "PA7",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, LCD_SEG4, TSC_G2_IO4, TIM22_CH2, EVENTOUT, COMP2_OUT and additional function ADC_IN7."+ },+ {+ "number": "18",+ "name": "PB0",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions EVENTOUT, LCD_SEG5, TSC_G3_IO2 and additional functions LCD_VLCD3, ADC_IN8, VREF_OUT."+ },+ {+ "number": "19",+ "name": "PB1",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions LCD_SEG6, TSC_G3_IO3, LPUART1_RTS/LPUART1_DE and additional functions ADC_IN9, VREF_OUT."+ },+ {+ "number": "20",+ "name": "PB2",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions LPTIM1_OUT, TSC_G3_IO4 and additional function LCD_VLCD2."+ },+ {+ "number": "21",+ "name": "PB10",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions LCD_SEG10, TIM2_CH3, TSC_SYNC, LPUART1_TX, SPI2_SCK, I2C2_SCL."+ },+ {+ "number": "22",+ "name": "PB11",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions EVENTOUT, LCD_SEG11, TIM2_CH4, TSC_G6_IO1, LPUART1_RX, I2C2_SDA."+ },+ {+ "number": "23",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground supply pin."+ },+ {+ "number": "24",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin (1.65 V to 3.6 V device supply range)."+ },+ {+ "number": "25",+ "name": "PB12",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O 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": "26",+ "name": "PB13",+ "type": "bidirectional",+ "description": "5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions SPI2_SCK/I2S2_CK, LCD_SEG13, TSC_G6_IO3, LPUART1_CTS, I2C2_SCL, TIM21_CH1."+ },+ {+ "number": "27",+ "name": "PB14",+ "type": "bidirectional",+ "description": "5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions SPI2_MISO/I2S2_MCK, LCD_SEG14, RTC_OUT, TSC_G6_IO4, LPUART1_RTS/LPUART1_DE, I2C2_SDA, TIM21_CH2."+ },+ {+ "number": "28",+ "name": "PB15",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions SPI2_MOSI/I2S2_SD, LCD_SEG15, RTC_REFIN."+ },+ {+ "number": "29",+ "name": "PA8",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions MCO, LCD_COM0, USB_CRS_SYNC, EVENTOUT, USART1_CK."+ },+ {+ "number": "30",+ "name": "PA9",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions MCO, LCD_COM1, TSC_G4_IO1, USART1_TX."+ },+ {+ "number": "31",+ "name": "PA10",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions LCD_COM2, TSC_G4_IO2, USART1_RX."+ },+ {+ "number": "32",+ "name": "PA11",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O powered by VDD_USB (note 2), with alternate functions SPI1_MISO, EVENTOUT, TSC_G4_IO3, USART1_CTS, COMP1_OUT and additional function USB_DM."+ },+ {+ "number": "33",+ "name": "PA12",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O powered by VDD_USB (note 2), with alternate functions SPI1_MOSI, EVENTOUT, TSC_G4_IO4, USART1_RTS/USART1_DE, COMP2_OUT and additional function USB_DP."+ },+ {+ "number": "34",+ "name": "PA13",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions SWDIO and USB_NOE."+ },+ {+ "number": "35",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground supply pin."+ },+ {+ "number": "36",+ "name": "VDD_USB",+ "type": "power_in",+ "description": "Supply pin for the I/Os PA11 and PA12 and the USB; for characteristics that refer to VDD on those pins, VDD_USB must be used."+ },+ {+ "number": "37",+ "name": "PA14",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions SWCLK and USART2_TX."+ },+ {+ "number": "38",+ "name": "PA15",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions SPI1_NSS, LCD_SEG17, TIM2_ETR, EVENTOUT, USART2_RX, TIM2_CH1."+ },+ {+ "number": "39",+ "name": "PB3",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions SPI1_SCK, LCD_SEG7, TIM2_CH2, TSC_G5_IO1, EVENTOUT and additional function COMP2_INN."+ },+ {+ "number": "40",+ "name": "PB4",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MISO, LCD_SEG8, EVENTOUT, TSC_G5_IO2, TIM22_CH1 and additional function COMP2_INP."+ },+ {+ "number": "41",+ "name": "PB5",+ "type": "bidirectional",+ "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, LCD_SEG9, LPTIM1_IN1, I2C1_SMBA, TIM22_CH2 and additional function COMP2_INP."+ },+ {+ "number": "42",+ "name": "PB6",+ "type": "bidirectional",+ "description": "5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions USART1_TX, I2C1_SCL, LPTIM1_ETR, TSC_G5_IO3 and additional function COMP2_INP."+ },+ {+ "number": "43",+ "name": "PB7",+ "type": "bidirectional",+ "description": "5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions USART1_RX, I2C1_SDA, LPTIM1_IN2, TSC_G5_IO4 and additional functions COMP2_INP, PVD_IN."+ },+ {+ "number": "44",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated BOOT0 input pin used to select the boot mode."+ },+ {+ "number": "45",+ "name": "PB8",+ "type": "bidirectional",+ "description": "5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions LCD_SEG16, TSC_SYNC, I2C1_SCL."+ },+ {+ "number": "46",+ "name": "PB9",+ "type": "bidirectional",+ "description": "5 V tolerant Fast Mode Plus capable (FTf) I/O with alternate functions LCD_COM3, EVENTOUT, I2C1_SDA, SPI2_NSS/I2S2_WS."+ },+ {+ "number": "47",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground supply pin."+ },+ {+ "number": "48",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin (1.65 V to 3.6 V device supply range)."+ }+ ],+ "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: Pin descriptions are compiled from Table 15 (pin definitions) and Table 14 (legend). The datasheet g; Pin 39 (PB3) is printed as TSC_G5I_O1 in Table 15 and Table 17. Table 8 gives the same signal as TSC; Pin types were mapped from Table 14 and KiCad classes: supply pins as power_in, I/O as bidirectional"+ ],+ "pages_sent": 56,+ "cost_usd": 0.273,+ "at": "2026-10-08T19:57:55"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922721686601728",+ "pages": 136,+ "sha256": "b30ef01e0e2d9c80",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 48,+ "described": 48,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "stm32l053c8t7.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stm32l053c8t7-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "305183ed31692828d5b28c0899425bf5ebe5fd2b76f43930f08531fa34ffd95f",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}