component
STM32L053R8T6
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.
← Commit history
README.mdadded+100@@ -0,0 +1,100 @@+# STM32L053R8T6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)++STM32L053R8T6 from STMicroelectronics, in a LQFP-64(10x10). 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 | VLCD | power_in | LCD voltage supply output for internal step-up converter, 0 to 3.6 V. |+| 2 | PC13 | bidirectional | GPIO Port C bit 13, 5V tolerant, can function as RTC tamper/timestamp/wakeup or general purpose I/O. |+| 3 | PC14-OSC32_IN | bidirectional | GPIO Port C bit 14 or 32 kHz oscillator input (OSC32_IN), 5V tolerant, requires 32.768 kHz crystal connection. |+| 4 | PC15-OSC32_OUT | bidirectional | GPIO Port C bit 15 or 32 kHz oscillator output (OSC32_OUT), standard 3.3V I/O. |+| 5 | PH0-OSC_IN | bidirectional | GPIO Port H bit 0 or high-speed oscillator input (OSC_IN), standard 3.3V I/O, accepts 1-25 MHz external clock. |+| 6 | PH1-OSC_OUT | bidirectional | GPIO Port H bit 1 or high-speed oscillator output (OSC_OUT), standard 3.3V I/O, supplies oscillator feedback to crystal. |+| 7 | NRST | bidirectional | System reset pin with embedded weak pull-up resistor (30-60 kΩ), bidirectional with input filtering, active low reset trigger. |+| 8 | PC0 | bidirectional | GPIO Port C bit 0, 5V tolerant, can function as LCD segment, LPTIM input, or ADC_IN10 analog input. |+| 9 | PC1 | bidirectional | GPIO Port C bit 1, 5V tolerant, can function as LCD segment, LPTIM output, or ADC_IN11 analog input. |+| 10 | PC2 | bidirectional | GPIO Port C bit 2, 5V tolerant, can function as LCD segment, SPI2/I2S2 interface, or ADC_IN12 analog input. |+| 11 | PC3 | bidirectional | GPIO Port C bit 3, 5V tolerant, can function as LCD segment, SPI2/I2S2 interface, or ADC_IN13 analog input. |+| 12 | VSSA | power_out | Analog ground for ADC, DAC, and analog peripherals; must be connected to VSS. |+| 13 | VDDA | power_in | Analog power supply for ADC, DAC, and comparators, 1.8-3.6 V with DAC or 1.65-3.6 V without DAC. |+| 14 | PA0 | bidirectional | GPIO Port A bit 0, standard 3.3V I/O, can function as ADC_IN0, RTC wakeup, comparator input, or timer channel. |+| 15 | PA1 | bidirectional | GPIO Port A bit 1, 5V tolerant, can function as ADC_IN1, LCD segment, or timer channel. |+| 16 | PA2 | bidirectional | GPIO Port A bit 2, 5V tolerant, can function as ADC_IN2, USART2_TX, LCD segment, or timer channel. |+| 17 | PA3 | bidirectional | GPIO Port A bit 3, 5V tolerant, can function as ADC_IN3, USART2_RX, LCD segment, or timer channel. |+| 18 | VSS | power_out | Ground (digital), 0 V reference for all digital and analog circuits. |+| 19 | VDD | power_in | Main positive power supply, 1.65-3.6 V recommended range for stable operation. |+| 20 | PA4 | bidirectional | GPIO Port A bit 4, standard 3.3V I/O with reduced touch sensing sensitivity, can function as ADC_IN4, DAC_OUT, SPI1_NSS, or timer. |+| 21 | PA5 | bidirectional | GPIO Port A bit 5, standard 3.3V I/O, can function as ADC_IN5, SPI1_SCK, comparator input, or timer channel. |+| 22 | PA6 | bidirectional | GPIO Port A bit 6, 5V tolerant, can function as ADC_IN6, SPI1_MISO, LCD segment, or timer channel. |+| 23 | PA7 | bidirectional | GPIO Port A bit 7, 5V tolerant, can function as ADC_IN7, SPI1_MOSI, LCD segment, or timer channel. |+| 24 | PC4 | bidirectional | GPIO Port C bit 4, 5V tolerant, can function as ADC_IN14, LCD segment, or LPUART1_TX. |+| 25 | PC5 | bidirectional | GPIO Port C bit 5, 5V tolerant, can function as ADC_IN15, LCD segment, or LPUART1_RX. |+| 26 | PB0 | bidirectional | GPIO Port B bit 0, 5V tolerant, can function as ADC_IN8, LCD segment, or VREF_OUT buffer output. |+| 27 | PB1 | bidirectional | GPIO Port B bit 1, 5V tolerant, can function as ADC_IN9, LCD segment, or VREF_OUT buffer output. |+| 28 | PB2 | bidirectional | GPIO Port B bit 2, 5V tolerant, can function as LPTIM output or LCD voltage monitoring (VLCD1). |+| 29 | PB10 | bidirectional | GPIO Port B bit 10, 5V tolerant, can function as LCD segment, I2C2_SCL, SPI2_SCK, or LPUART1_TX. |+| 30 | PB11 | bidirectional | GPIO Port B bit 11, 5V tolerant, can function as LCD segment, I2C2_SDA, LPUART1_RX, or timer channel. |+| 31 | VSS | power_out | Ground (digital), 0 V reference for all digital and analog circuits. |+| 32 | VDD | power_in | Main positive power supply, 1.65-3.6 V recommended range for stable operation. |+| 33 | PB12 | bidirectional | GPIO Port B bit 12, 5V tolerant, can function as LCD segment, I2C2_SMBA, SPI2_NSS/I2S2_WS, or LPUART1_RTS_DE. |+| 34 | PB13 | bidirectional | GPIO Port B bit 13, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C2_SCL, SPI2_SCK/I2S2_CK, or timer. |+| 35 | PB14 | bidirectional | GPIO Port B bit 14, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C2_SDA, SPI2_MISO/I2S2_MCK, or timer. |+| 36 | PB15 | bidirectional | GPIO Port B bit 15, 5V tolerant, can function as LCD segment, SPI2_MOSI/I2S2_SD, or RTC reference input. |+| 37 | PC6 | bidirectional | GPIO Port C bit 6, 5V tolerant, can function as LCD segment or timer channel output. |+| 38 | PC7 | bidirectional | GPIO Port C bit 7, 5V tolerant, can function as LCD segment or timer channel output. |+| 39 | PC8 | bidirectional | GPIO Port C bit 8, 5V tolerant, can function as LCD segment or timer external trigger input. |+| 40 | PC9 | bidirectional | GPIO Port C bit 9, 5V tolerant, can function as LCD segment, timer trigger, or USB_NOE output. |+| 41 | PA8 | bidirectional | GPIO Port A bit 8, 5V tolerant, can function as LCD common terminal, microcontroller clock output (MCO), USB_CRS_SYNC, or USART1_CK. |+| 42 | PA9 | bidirectional | GPIO Port A bit 9, 5V tolerant, can function as LCD common terminal, USART1_TX, or timer channel input. |+| 43 | PA10 | bidirectional | GPIO Port A bit 10, 5V tolerant, can function as LCD common terminal, USART1_RX, or timer channel input. |+| 44 | PA11 | bidirectional | GPIO Port A bit 11, 5V tolerant, supplied by VDD_USB, can function as USB_DM, SPI1_MISO, or USART1_CTS. |+| 45 | PA12 | bidirectional | GPIO Port A bit 12, 5V tolerant, supplied by VDD_USB, can function as USB_DP, SPI1_MOSI, or USART1_RTS_DE. |+| 46 | PA13 | bidirectional | GPIO Port A bit 13, 5V tolerant, reserved for SWDIO debug interface, can also function as USB_NOE output. |+| 47 | VSS | power_out | Ground (digital), 0 V reference for all digital and analog circuits. |+| 48 | VDD_USB | power_in | USB transceiver power supply, 3.0-3.6 V when USB used or 1.65-3.6 V when not used; supplies PA11, PA12. |+| 49 | PA14 | bidirectional | GPIO Port A bit 14, 5V tolerant, reserved for SWCLK debug interface, can also function as USART2_TX. |+| 50 | PA15 | bidirectional | GPIO Port A bit 15, 5V tolerant, can function as LCD segment, SPI1_NSS, timer trigger, or USART2_RX. |+| 51 | PC10 | bidirectional | GPIO Port C bit 10, 5V tolerant, can function as LCD common terminal or segment, or LPUART1_TX. |+| 52 | PC11 | bidirectional | GPIO Port C bit 11, 5V tolerant, can function as LCD common terminal or segment, or LPUART1_RX. |+| 53 | PC12 | bidirectional | GPIO Port C bit 12, 5V tolerant, can function as LCD common terminal or segment. |+| 54 | PD2 | bidirectional | GPIO Port D bit 2, 5V tolerant, can function as LCD common terminal or segment, or LPUART1_RTS_DE. |+| 55 | PB3 | bidirectional | GPIO Port B bit 3, 5V tolerant, can function as LCD segment, SPI1_SCK, timer channel, or comparator input. |+| 56 | PB4 | bidirectional | GPIO Port B bit 4, 5V tolerant, can function as LCD segment, SPI1_MISO, timer channel, or comparator input. |+| 57 | PB5 | bidirectional | GPIO Port B bit 5, 5V tolerant, can function as LCD segment, SPI1_MOSI, LPTIM input, I2C1_SMBA, or timer channel. |+| 58 | PB6 | bidirectional | GPIO Port B bit 6, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C1_SCL, USART1_TX, LPTIM trigger, or comparator input. |+| 59 | PB7 | bidirectional | GPIO Port B bit 7, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C1_SDA, USART1_RX, LPTIM input, or programmable voltage detector (PVD) input. |+| 60 | BOOT0 | input | Dedicated boot mode selection pin, input only, logic low for boot from Flash (normal), logic high for boot from System Memory. |+| 61 | PB8 | bidirectional | GPIO Port B bit 8, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C1_SCL, LCD segment, or touch sensor sync. |+| 62 | PB9 | bidirectional | GPIO Port B bit 9, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C1_SDA, LCD common terminal, SPI2_NSS/I2S2_WS, or general I/O. |+| 63 | VSS | power_out | Ground (digital), 0 V reference for all digital and analog circuits. |+| 64 | VDD | power_in | Main positive power supply, 1.65-3.6 V recommended range for stable operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-64(10x10) |+| Category | Embedded Processors & Controllers |+| Pins | 64 |++## CAD (KiCad official)++- Symbol: `STM32L053R8T6`+- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`+- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)+- 3D model files: `stm32l053r8t6-etched.step` / `stm32l053r8t6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l053r8t6.step` / `stm32l053r8t6.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/8586176315980992512) (132 pp, sha256 `cc8f095af9f42fa2`, retrieved 2026-09-23, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/stm32l053r8t6-datasheet.pdf)
page.jsonadded+480@@ -0,0 +1,480 @@+{+ "slug": "stm32l053r8t6",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32l053r8t6",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32l053r8t6.kicad_sym",+ "stm32l053r8t6.kicad_mod",+ "stm32l053r8t6.glb",+ "stm32l053r8t6.step",+ "stm32l053r8t6.lbr",+ "docs/hero.png",+ "docs/stm32l053r8t6-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "STM32L053R8T6",+ "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/8586176315980992512",+ "parts": {+ "symbol": "stm32l053r8t6.kicad_sym",+ "footprint": "stm32l053r8t6.kicad_mod",+ "model_3d": "stm32l053r8t6-etched.glb",+ "model_3d_plain": "stm32l053r8t6.glb",+ "model_3d_step": "stm32l053r8t6-etched.step",+ "model_3d_step_plain": "stm32l053r8t6.step",+ "lbr": "stm32l053r8t6.lbr"+ },+ "distributor_links": {+ "lcsc": "C79207"+ },+ "pins": [+ {+ "number": "1",+ "name": "VLCD",+ "type": "power_in",+ "description": "LCD voltage supply output for internal step-up converter, 0 to 3.6 V."+ },+ {+ "number": "2",+ "name": "PC13",+ "type": "bidirectional",+ "description": "GPIO Port C bit 13, 5V tolerant, can function as RTC tamper/timestamp/wakeup or general purpose I/O."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "GPIO Port C bit 14 or 32 kHz oscillator input (OSC32_IN), 5V tolerant, requires 32.768 kHz crystal connection."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "GPIO Port C bit 15 or 32 kHz oscillator output (OSC32_OUT), standard 3.3V I/O."+ },+ {+ "number": "5",+ "name": "PH0-OSC_IN",+ "type": "bidirectional",+ "description": "GPIO Port H bit 0 or high-speed oscillator input (OSC_IN), standard 3.3V I/O, accepts 1-25 MHz external clock."+ },+ {+ "number": "6",+ "name": "PH1-OSC_OUT",+ "type": "bidirectional",+ "description": "GPIO Port H bit 1 or high-speed oscillator output (OSC_OUT), standard 3.3V I/O, supplies oscillator feedback to crystal."+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "System reset pin with embedded weak pull-up resistor (30-60 kΩ), bidirectional with input filtering, active low reset trigger."+ },+ {+ "number": "8",+ "name": "PC0",+ "type": "bidirectional",+ "description": "GPIO Port C bit 0, 5V tolerant, can function as LCD segment, LPTIM input, or ADC_IN10 analog input."+ },+ {+ "number": "9",+ "name": "PC1",+ "type": "bidirectional",+ "description": "GPIO Port C bit 1, 5V tolerant, can function as LCD segment, LPTIM output, or ADC_IN11 analog input."+ },+ {+ "number": "10",+ "name": "PC2",+ "type": "bidirectional",+ "description": "GPIO Port C bit 2, 5V tolerant, can function as LCD segment, SPI2/I2S2 interface, or ADC_IN12 analog input."+ },+ {+ "number": "11",+ "name": "PC3",+ "type": "bidirectional",+ "description": "GPIO Port C bit 3, 5V tolerant, can function as LCD segment, SPI2/I2S2 interface, or ADC_IN13 analog input."+ },+ {+ "number": "12",+ "name": "VSSA",+ "type": "power_out",+ "description": "Analog ground for ADC, DAC, and analog peripherals; must be connected to VSS."+ },+ {+ "number": "13",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply for ADC, DAC, and comparators, 1.8-3.6 V with DAC or 1.65-3.6 V without DAC."+ },+ {+ "number": "14",+ "name": "PA0",+ "type": "bidirectional",+ "description": "GPIO Port A bit 0, standard 3.3V I/O, can function as ADC_IN0, RTC wakeup, comparator input, or timer channel."+ },+ {+ "number": "15",+ "name": "PA1",+ "type": "bidirectional",+ "description": "GPIO Port A bit 1, 5V tolerant, can function as ADC_IN1, LCD segment, or timer channel."+ },+ {+ "number": "16",+ "name": "PA2",+ "type": "bidirectional",+ "description": "GPIO Port A bit 2, 5V tolerant, can function as ADC_IN2, USART2_TX, LCD segment, or timer channel."+ },+ {+ "number": "17",+ "name": "PA3",+ "type": "bidirectional",+ "description": "GPIO Port A bit 3, 5V tolerant, can function as ADC_IN3, USART2_RX, LCD segment, or timer channel."+ },+ {+ "number": "18",+ "name": "VSS",+ "type": "power_out",+ "description": "Ground (digital), 0 V reference for all digital and analog circuits."+ },+ {+ "number": "19",+ "name": "VDD",+ "type": "power_in",+ "description": "Main positive power supply, 1.65-3.6 V recommended range for stable operation."+ },+ {+ "number": "20",+ "name": "PA4",+ "type": "bidirectional",+ "description": "GPIO Port A bit 4, standard 3.3V I/O with reduced touch sensing sensitivity, can function as ADC_IN4, DAC_OUT, SPI1_NSS, or timer."+ },+ {+ "number": "21",+ "name": "PA5",+ "type": "bidirectional",+ "description": "GPIO Port A bit 5, standard 3.3V I/O, can function as ADC_IN5, SPI1_SCK, comparator input, or timer channel."+ },+ {+ "number": "22",+ "name": "PA6",+ "type": "bidirectional",+ "description": "GPIO Port A bit 6, 5V tolerant, can function as ADC_IN6, SPI1_MISO, LCD segment, or timer channel."+ },+ {+ "number": "23",+ "name": "PA7",+ "type": "bidirectional",+ "description": "GPIO Port A bit 7, 5V tolerant, can function as ADC_IN7, SPI1_MOSI, LCD segment, or timer channel."+ },+ {+ "number": "24",+ "name": "PC4",+ "type": "bidirectional",+ "description": "GPIO Port C bit 4, 5V tolerant, can function as ADC_IN14, LCD segment, or LPUART1_TX."+ },+ {+ "number": "25",+ "name": "PC5",+ "type": "bidirectional",+ "description": "GPIO Port C bit 5, 5V tolerant, can function as ADC_IN15, LCD segment, or LPUART1_RX."+ },+ {+ "number": "26",+ "name": "PB0",+ "type": "bidirectional",+ "description": "GPIO Port B bit 0, 5V tolerant, can function as ADC_IN8, LCD segment, or VREF_OUT buffer output."+ },+ {+ "number": "27",+ "name": "PB1",+ "type": "bidirectional",+ "description": "GPIO Port B bit 1, 5V tolerant, can function as ADC_IN9, LCD segment, or VREF_OUT buffer output."+ },+ {+ "number": "28",+ "name": "PB2",+ "type": "bidirectional",+ "description": "GPIO Port B bit 2, 5V tolerant, can function as LPTIM output or LCD voltage monitoring (VLCD1)."+ },+ {+ "number": "29",+ "name": "PB10",+ "type": "bidirectional",+ "description": "GPIO Port B bit 10, 5V tolerant, can function as LCD segment, I2C2_SCL, SPI2_SCK, or LPUART1_TX."+ },+ {+ "number": "30",+ "name": "PB11",+ "type": "bidirectional",+ "description": "GPIO Port B bit 11, 5V tolerant, can function as LCD segment, I2C2_SDA, LPUART1_RX, or timer channel."+ },+ {+ "number": "31",+ "name": "VSS",+ "type": "power_out",+ "description": "Ground (digital), 0 V reference for all digital and analog circuits."+ },+ {+ "number": "32",+ "name": "VDD",+ "type": "power_in",+ "description": "Main positive power supply, 1.65-3.6 V recommended range for stable operation."+ },+ {+ "number": "33",+ "name": "PB12",+ "type": "bidirectional",+ "description": "GPIO Port B bit 12, 5V tolerant, can function as LCD segment, I2C2_SMBA, SPI2_NSS/I2S2_WS, or LPUART1_RTS_DE."+ },+ {+ "number": "34",+ "name": "PB13",+ "type": "bidirectional",+ "description": "GPIO Port B bit 13, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C2_SCL, SPI2_SCK/I2S2_CK, or timer."+ },+ {+ "number": "35",+ "name": "PB14",+ "type": "bidirectional",+ "description": "GPIO Port B bit 14, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C2_SDA, SPI2_MISO/I2S2_MCK, or timer."+ },+ {+ "number": "36",+ "name": "PB15",+ "type": "bidirectional",+ "description": "GPIO Port B bit 15, 5V tolerant, can function as LCD segment, SPI2_MOSI/I2S2_SD, or RTC reference input."+ },+ {+ "number": "37",+ "name": "PC6",+ "type": "bidirectional",+ "description": "GPIO Port C bit 6, 5V tolerant, can function as LCD segment or timer channel output."+ },+ {+ "number": "38",+ "name": "PC7",+ "type": "bidirectional",+ "description": "GPIO Port C bit 7, 5V tolerant, can function as LCD segment or timer channel output."+ },+ {+ "number": "39",+ "name": "PC8",+ "type": "bidirectional",+ "description": "GPIO Port C bit 8, 5V tolerant, can function as LCD segment or timer external trigger input."+ },+ {+ "number": "40",+ "name": "PC9",+ "type": "bidirectional",+ "description": "GPIO Port C bit 9, 5V tolerant, can function as LCD segment, timer trigger, or USB_NOE output."+ },+ {+ "number": "41",+ "name": "PA8",+ "type": "bidirectional",+ "description": "GPIO Port A bit 8, 5V tolerant, can function as LCD common terminal, microcontroller clock output (MCO), USB_CRS_SYNC, or USART1_CK."+ },+ {+ "number": "42",+ "name": "PA9",+ "type": "bidirectional",+ "description": "GPIO Port A bit 9, 5V tolerant, can function as LCD common terminal, USART1_TX, or timer channel input."+ },+ {+ "number": "43",+ "name": "PA10",+ "type": "bidirectional",+ "description": "GPIO Port A bit 10, 5V tolerant, can function as LCD common terminal, USART1_RX, or timer channel input."+ },+ {+ "number": "44",+ "name": "PA11",+ "type": "bidirectional",+ "description": "GPIO Port A bit 11, 5V tolerant, supplied by VDD_USB, can function as USB_DM, SPI1_MISO, or USART1_CTS."+ },+ {+ "number": "45",+ "name": "PA12",+ "type": "bidirectional",+ "description": "GPIO Port A bit 12, 5V tolerant, supplied by VDD_USB, can function as USB_DP, SPI1_MOSI, or USART1_RTS_DE."+ },+ {+ "number": "46",+ "name": "PA13",+ "type": "bidirectional",+ "description": "GPIO Port A bit 13, 5V tolerant, reserved for SWDIO debug interface, can also function as USB_NOE output."+ },+ {+ "number": "47",+ "name": "VSS",+ "type": "power_out",+ "description": "Ground (digital), 0 V reference for all digital and analog circuits."+ },+ {+ "number": "48",+ "name": "VDD_USB",+ "type": "power_in",+ "description": "USB transceiver power supply, 3.0-3.6 V when USB used or 1.65-3.6 V when not used; supplies PA11, PA12."+ },+ {+ "number": "49",+ "name": "PA14",+ "type": "bidirectional",+ "description": "GPIO Port A bit 14, 5V tolerant, reserved for SWCLK debug interface, can also function as USART2_TX."+ },+ {+ "number": "50",+ "name": "PA15",+ "type": "bidirectional",+ "description": "GPIO Port A bit 15, 5V tolerant, can function as LCD segment, SPI1_NSS, timer trigger, or USART2_RX."+ },+ {+ "number": "51",+ "name": "PC10",+ "type": "bidirectional",+ "description": "GPIO Port C bit 10, 5V tolerant, can function as LCD common terminal or segment, or LPUART1_TX."+ },+ {+ "number": "52",+ "name": "PC11",+ "type": "bidirectional",+ "description": "GPIO Port C bit 11, 5V tolerant, can function as LCD common terminal or segment, or LPUART1_RX."+ },+ {+ "number": "53",+ "name": "PC12",+ "type": "bidirectional",+ "description": "GPIO Port C bit 12, 5V tolerant, can function as LCD common terminal or segment."+ },+ {+ "number": "54",+ "name": "PD2",+ "type": "bidirectional",+ "description": "GPIO Port D bit 2, 5V tolerant, can function as LCD common terminal or segment, or LPUART1_RTS_DE."+ },+ {+ "number": "55",+ "name": "PB3",+ "type": "bidirectional",+ "description": "GPIO Port B bit 3, 5V tolerant, can function as LCD segment, SPI1_SCK, timer channel, or comparator input."+ },+ {+ "number": "56",+ "name": "PB4",+ "type": "bidirectional",+ "description": "GPIO Port B bit 4, 5V tolerant, can function as LCD segment, SPI1_MISO, timer channel, or comparator input."+ },+ {+ "number": "57",+ "name": "PB5",+ "type": "bidirectional",+ "description": "GPIO Port B bit 5, 5V tolerant, can function as LCD segment, SPI1_MOSI, LPTIM input, I2C1_SMBA, or timer channel."+ },+ {+ "number": "58",+ "name": "PB6",+ "type": "bidirectional",+ "description": "GPIO Port B bit 6, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C1_SCL, USART1_TX, LPTIM trigger, or comparator input."+ },+ {+ "number": "59",+ "name": "PB7",+ "type": "bidirectional",+ "description": "GPIO Port B bit 7, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C1_SDA, USART1_RX, LPTIM input, or programmable voltage detector (PVD) input."+ },+ {+ "number": "60",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated boot mode selection pin, input only, logic low for boot from Flash (normal), logic high for boot from System Memory."+ },+ {+ "number": "61",+ "name": "PB8",+ "type": "bidirectional",+ "description": "GPIO Port B bit 8, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C1_SCL, LCD segment, or touch sensor sync."+ },+ {+ "number": "62",+ "name": "PB9",+ "type": "bidirectional",+ "description": "GPIO Port B bit 9, 5V tolerant with FM+ capability up to 1 Mbit/s, can function as I2C1_SDA, LCD common terminal, SPI2_NSS/I2S2_WS, or general I/O."+ },+ {+ "number": "63",+ "name": "VSS",+ "type": "power_out",+ "description": "Ground (digital), 0 V reference for all digital and analog circuits."+ },+ {+ "number": "64",+ "name": "VDD",+ "type": "power_in",+ "description": "Main positive power supply, 1.65-3.6 V recommended range for stable operation."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: VREF+ is listed in the pinout table but with no assigned pin number in LQFP64 package - it appears o",+ "13/64 pins cited to the wrong page (name found elsewhere): ['52:PC11@p41', '53:PC12@p41', '54:PD2@p41', '55:PB3@p41']"+ ],+ "pages_sent": 132,+ "cost_usd": 1.3478,+ "at": "2026-09-23T02:50:31"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586176315980992512",+ "pages": 132,+ "sha256": "cc8f095af9f42fa2",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}