component
STM32L452CEU6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), QFN-48-EP(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+81@@ -0,0 +1,81 @@+# STM32L452CEU6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · QFN-48-EP(7x7)++STM32L452CEU6 from STMicroelectronics, in a QFN-48-EP(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 | VBAT | power_in | Backup battery supply voltage (1.55 to 3.6 V) for RTC and backup registers. |+| 2 | PC13 | bidirectional | Digital I/O with alternate function EVENTOUT; RTC tamper input, timestamp, and wakeup pin. |+| 3 | PC14-OSC32_IN | bidirectional | Digital I/O that can configure as 32 kHz oscillator input (OSC32_IN) with EVENTOUT alternate function. |+| 4 | PC15-OSC32_OUT | bidirectional | Digital I/O that can configure as 32 kHz oscillator output (OSC32_OUT) with EVENTOUT alternate function. |+| 8 | VSSA/VREF- | power_in | Analog ground and negative reference voltage (0 V) for ADC, DAC, OPAMP, and COMP peripherals. |+| 9 | VDDA/VREF+ | power_in | Analog supply voltage (1.62 to 3.6 V) and positive reference for ADC, DAC, OPAMP, COMP, and VREFBUF. |+| 10 | PA0 | bidirectional | GPIO with alternate functions for TIM2 (CH1, ETR), USART2 (CTS), COMP1 output, SAI1 external clock, and ADC1_IN5. |+| 11 | PA1 | bidirectional | GPIO with alternate functions for TIM2 (CH2), I2C1 (SMBA), SPI1 (SCK), USART2 (RTS_DE), TIM15 (CH1N), and ADC1_IN6. |+| 12 | PA2 | bidirectional | GPIO with alternate functions for TIM2 (CH3), USART2 (TX), LPUART1 (TX), QUADSPI (BK1_NCS), TIM15 (CH1), and ADC1_IN7. |+| 13 | PA3 | bidirectional | GPIO with alternate functions for TIM2 (CH4), USART2 (RX), LPUART1 (RX), QUADSPI (CLK), SAI1 (MCLK_A), TIM15 (CH2), and ADC1_IN8. |+| 14 | PA4 | bidirectional | GPIO with alternate functions for SPI1 (NSS), SPI3 (NSS), USART2 (CK), SAI1 (FS_B), LPTIM2 (OUT), DAC1 (OUT1), and ADC1_IN9. |+| 15 | PA5 | bidirectional | GPIO with alternate functions for TIM2 (CH1, ETR), SPI1 (SCK), DFSDM1 (CKOUT), LPTIM2 (ETR), and ADC1_IN10. |+| 16 | PA6 | bidirectional | GPIO with alternate functions for TIM1 (BKIN, BKIN_COMP2), TIM3 (CH1), SPI1 (MISO), COMP1 output, USART3 (CTS), LPUART1 (CTS), QUADSPI (BK1_IO3), TIM16 (CH1), and ADC1_IN11. |+| 17 | PA7 | bidirectional | GPIO with alternate functions for TIM1 (CH1N), TIM3 (CH2), I2C3 (SCL), SPI1 (MOSI), DFSDM1 (DATIN0), QUADSPI (BK1_IO2), COMP2 output, and ADC1_IN12. |+| 18 | PB0 | bidirectional | GPIO with alternate functions for TIM1 (CH2N), TIM3 (CH3), SPI1 (NSS), DFSDM1 (CKIN0), USART3 (CK), QUADSPI (BK1_IO1), COMP1 output, SAI1 (EXTCLK), and ADC1_IN15. |+| 19 | PB1 | bidirectional | GPIO with alternate functions for TIM1 (CH3N), TIM3 (CH4), DFSDM1 (DATIN0), USART3 (RTS_DE), LPUART1 (RTS_DE), QUADSPI (BK1_IO0), LPTIM2 (IN1), and ADC1_IN16. |+| 20 | PB2 | bidirectional | GPIO with alternate functions for RTC (OUT), LPTIM1 (OUT), I2C3 (SMBA), DFSDM1 (CKIN0), and COMP1 input. |+| 21 | PB10 | bidirectional | GPIO with alternate functions for TIM2 (CH3), I2C4 (SCL), I2C2 (SCL), SPI2 (SCK), USART3 (TX), LPUART1 (RX), TSC (SYNC), QUADSPI (CLK), COMP1 output, and SAI1 (SCK_A). |+| 22 | PB11 | bidirectional | GPIO with alternate functions for TIM2 (CH4), I2C4 (SDA), I2C2 (SDA), USART3 (RX), LPUART1 (TX), QUADSPI (BK1_NCS), and COMP2 output. |+| 23 | VSS | power_in | Ground reference pin for digital logic (0 V reference). |+| 24 | VDD | power_in | Main digital supply voltage (1.71 to 3.6 V) for core and I/O logic. |+| 25 | PB12 | bidirectional | GPIO with alternate functions for TIM1 (BKIN, BKIN_COMP2), I2C2 (SMBA), SPI2 (NSS), DFSDM1 (DATIN1), USART3 (CK), LPUART1 (RTS_DE), TSC (G1_IO1), CAN1 (RX), SAI1 (FS_A), and TIM15 (BKIN). |+| 26 | PB13 | bidirectional | GPIO with alternate functions for TIM1 (CH1N), I2C2 (SCL), SPI2 (SCK), DFSDM1 (CKIN1), USART3 (CTS), LPUART1 (CTS), TSC (G1_IO2), CAN1 (TX), SAI1 (SCK_A), and TIM15 (CH1N). |+| 27 | PB14 | bidirectional | GPIO with alternate functions for TIM1 (CH2N), I2C2 (SDA), SPI2 (MISO), DFSDM1 (DATIN2), USART3 (RTS_DE), TSC (G1_IO3), SAI1 (MCLK_A), and TIM15 (CH1). |+| 28 | PB15 | bidirectional | GPIO with alternate functions for RTC (REFIN), TIM1 (CH3N), SPI2 (MOSI), DFSDM1 (CKIN2), TSC (G1_IO4), SAI1 (SD_A), and TIM15 (CH2). |+| 29 | PA8 | bidirectional | GPIO with alternate functions for MCO (master clock output), TIM1 (CH1), DFSDM1 (CKIN1), USART1 (CK), SAI1 (SCK_A), and LPTIM2 (OUT). |+| 30 | PA9 | bidirectional | GPIO with alternate functions for TIM1 (CH2), I2C1 (SCL), DFSDM1 (DATIN1), USART1 (TX), SAI1 (FS_A), and TIM15 (BKIN). |+| 31 | PA10 | bidirectional | GPIO with alternate functions for TIM1 (CH3), I2C1 (SDA), USART1 (RX), USB (CRS_SYNC), and SAI1 (SD_A). |+| 32 | PA11 | bidirectional | GPIO with alternate functions for TIM1 (CH4, BKIN2, BKIN2_COMP1), SPI1 (MISO), COMP1 output, USART1 (CTS), CAN1 (RX), and USB (DM). |+| 33 | PA12 | bidirectional | GPIO with alternate functions for TIM1 (ETR), SPI1 (MOSI), USART1 (RTS_DE), CAN1 (TX), and USB (DP). |+| 34 | PA13 (JTMS/SWDIO) | bidirectional | JTAG/SWD debug pin (SWDIO) with internal pull-up after reset; alternate functions for IR output, USB (NOE), and SAI1 (SD_B). |+| 35 | VSS | power_in | Ground reference pin for digital logic (0 V reference). |+| 36 | VDDUSB | power_in | USB supply voltage (3.0 to 3.6 V) dedicated for USB interface. |+| 37 | PA14 (JTCK/SWCLK) | bidirectional | JTAG/SWD debug pin (SWCLK) with internal pull-down after reset; alternate functions for LPTIM1 (OUT), I2C1 (SMBA), I2C4 (SMBA), and SAI1 (FS_B). |+| 38 | PA15 (JTDI) | bidirectional | JTAG debug pin (JTDI) with internal pull-up after reset; alternate functions for TIM2 (CH1, ETR), USART2 (RX), SPI1 (NSS), SPI3 (NSS), USART3 (RTS_DE), UART4 (RTS_DE), and TSC (G3_IO1). |+| 39 | PB3 (JTDO/TRACESWO) | bidirectional | JTAG debug and trace pin (JTDO/TRACESWO); alternate functions for TIM2 (CH2), SPI1 (SCK), SPI3 (SCK), USART1 (RTS_DE), and SAI1 (SCK_B); COMP2 input. |+| 40 | PB4 (NJTRST) | bidirectional | JTAG reset pin (NJTRST) for debug; alternate functions for TIM3 (CH1), I2C3 (SDA), SPI1 (MISO), SPI3 (MISO), USART1 (CTS), TSC (G2_IO1), and SAI1 (MCLK_B); COMP2 input. |+| 41 | PB5 | bidirectional | GPIO with alternate functions for LPTIM1 (IN1), TIM3 (CH2), CAN1 (RX), I2C1 (SMBA), SPI1 (MOSI), SPI3 (MOSI), USART1 (CK), TSC (G2_IO2), COMP2 output, SAI1 (SD_B), and TIM16 (BKIN). |+| 42 | PB6 | bidirectional | GPIO with alternate functions for LPTIM1 (ETR), I2C1 (SCL), I2C4 (SCL), USART1 (TX), CAN1 (TX), TSC (G2_IO3), SAI1 (FS_B), and TIM16 (CH1N); COMP2 input. |+| 43 | PB7 | bidirectional | GPIO with alternate functions for LPTIM1 (IN2), I2C1 (SDA), I2C4 (SDA), USART1 (RX), UART4 (CTS), TSC (G2_IO4); COMP2 input and PVD input. |+| 44 | PH3-BOOT0 (BOOT0) | bidirectional | Boot mode selection pin for device startup; GPIO with EVENTOUT alternate function. |+| 45 | PB8 | bidirectional | GPIO with alternate functions for I2C1 (SCL), CAN1 (RX), SDMMC1 (D4), SAI1 (MCLK_A), and TIM16 (CH1). |+| 46 | PB9 | bidirectional | GPIO with alternate functions for IR output, I2C1 (SDA), SPI2 (NSS), CAN1 (TX), SDMMC1 (D5), and SAI1 (FS_A). |+| 47 | VSS | power_in | Ground reference pin for digital logic (0 V reference). |+| 48 | VDD | power_in | Main digital supply voltage (1.71 to 3.6 V) for core and I/O logic. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | QFN-48-EP(7x7) |+| Category | Embedded Processors & Controllers |+| Pins | 48 |++## CAD (KiCad official)++- Symbol: `STM32L452CEU6`+- Footprint: `Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm`+- 3D model: QFN-48-EP(7x7) (KiCad packages3D, STEP)+- 3D model files: `stm32l452ceu6-etched.step` / `stm32l452ceu6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l452ceu6.step` / `stm32l452ceu6.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/8588883943885557760) (210 pp, sha256 `eeeaa72ec16c85ea`, retrieved 2026-09-29, tier: lcsc)+- **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/stm32l452ceu6-datasheet.pdf)
page.jsonadded+364@@ -0,0 +1,364 @@+{+ "slug": "stm32l452ceu6",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), QFN-48-EP(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32l452ceu6",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32l452ceu6.kicad_sym",+ "stm32l452ceu6.kicad_mod",+ "stm32l452ceu6.glb",+ "stm32l452ceu6.step",+ "stm32l452ceu6.lbr",+ "docs/hero.png",+ "docs/stm32l452ceu6-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "STM32L452CEU6",+ "manufacturer": "STMicroelectronics",+ "package": "QFN-48-EP(7x7)",+ "pin_count": 45,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883943885557760",+ "parts": {+ "symbol": "stm32l452ceu6.kicad_sym",+ "footprint": "stm32l452ceu6.kicad_mod",+ "model_3d": "stm32l452ceu6-etched.glb",+ "model_3d_plain": "stm32l452ceu6.glb",+ "model_3d_step": "stm32l452ceu6-etched.step",+ "model_3d_step_plain": "stm32l452ceu6.step",+ "lbr": "stm32l452ceu6.lbr"+ },+ "distributor_links": {+ "lcsc": "C222355",+ "digikey": "497-17218-ND",+ "mouser": "511-STM32L452CEU6"+ },+ "distributor_check": {+ "checked_at": "2026-09-29T14:47:20Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-17218-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32L452CEU6",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VBAT",+ "type": "power_in",+ "description": "Backup battery supply voltage (1.55 to 3.6 V) for RTC and backup registers."+ },+ {+ "number": "2",+ "name": "PC13",+ "type": "bidirectional",+ "description": "Digital I/O with alternate function EVENTOUT; RTC tamper input, timestamp, and wakeup pin."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "Digital I/O that can configure as 32 kHz oscillator input (OSC32_IN) with EVENTOUT alternate function."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "Digital I/O that can configure as 32 kHz oscillator output (OSC32_OUT) with EVENTOUT alternate function."+ },+ {+ "number": "8",+ "name": "VSSA/VREF-",+ "type": "power_in",+ "description": "Analog ground and negative reference voltage (0 V) for ADC, DAC, OPAMP, and COMP peripherals."+ },+ {+ "number": "9",+ "name": "VDDA/VREF+",+ "type": "power_in",+ "description": "Analog supply voltage (1.62 to 3.6 V) and positive reference for ADC, DAC, OPAMP, COMP, and VREFBUF."+ },+ {+ "number": "10",+ "name": "PA0",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM2 (CH1, ETR), USART2 (CTS), COMP1 output, SAI1 external clock, and ADC1_IN5."+ },+ {+ "number": "11",+ "name": "PA1",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM2 (CH2), I2C1 (SMBA), SPI1 (SCK), USART2 (RTS_DE), TIM15 (CH1N), and ADC1_IN6."+ },+ {+ "number": "12",+ "name": "PA2",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM2 (CH3), USART2 (TX), LPUART1 (TX), QUADSPI (BK1_NCS), TIM15 (CH1), and ADC1_IN7."+ },+ {+ "number": "13",+ "name": "PA3",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM2 (CH4), USART2 (RX), LPUART1 (RX), QUADSPI (CLK), SAI1 (MCLK_A), TIM15 (CH2), and ADC1_IN8."+ },+ {+ "number": "14",+ "name": "PA4",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for SPI1 (NSS), SPI3 (NSS), USART2 (CK), SAI1 (FS_B), LPTIM2 (OUT), DAC1 (OUT1), and ADC1_IN9."+ },+ {+ "number": "15",+ "name": "PA5",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM2 (CH1, ETR), SPI1 (SCK), DFSDM1 (CKOUT), LPTIM2 (ETR), and ADC1_IN10."+ },+ {+ "number": "16",+ "name": "PA6",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (BKIN, BKIN_COMP2), TIM3 (CH1), SPI1 (MISO), COMP1 output, USART3 (CTS), LPUART1 (CTS), QUADSPI (BK1_IO3), TIM16 (CH1), and ADC1_IN11."+ },+ {+ "number": "17",+ "name": "PA7",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (CH1N), TIM3 (CH2), I2C3 (SCL), SPI1 (MOSI), DFSDM1 (DATIN0), QUADSPI (BK1_IO2), COMP2 output, and ADC1_IN12."+ },+ {+ "number": "18",+ "name": "PB0",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (CH2N), TIM3 (CH3), SPI1 (NSS), DFSDM1 (CKIN0), USART3 (CK), QUADSPI (BK1_IO1), COMP1 output, SAI1 (EXTCLK), and ADC1_IN15."+ },+ {+ "number": "19",+ "name": "PB1",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (CH3N), TIM3 (CH4), DFSDM1 (DATIN0), USART3 (RTS_DE), LPUART1 (RTS_DE), QUADSPI (BK1_IO0), LPTIM2 (IN1), and ADC1_IN16."+ },+ {+ "number": "20",+ "name": "PB2",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for RTC (OUT), LPTIM1 (OUT), I2C3 (SMBA), DFSDM1 (CKIN0), and COMP1 input."+ },+ {+ "number": "21",+ "name": "PB10",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM2 (CH3), I2C4 (SCL), I2C2 (SCL), SPI2 (SCK), USART3 (TX), LPUART1 (RX), TSC (SYNC), QUADSPI (CLK), COMP1 output, and SAI1 (SCK_A)."+ },+ {+ "number": "22",+ "name": "PB11",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM2 (CH4), I2C4 (SDA), I2C2 (SDA), USART3 (RX), LPUART1 (TX), QUADSPI (BK1_NCS), and COMP2 output."+ },+ {+ "number": "23",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground reference pin for digital logic (0 V reference)."+ },+ {+ "number": "24",+ "name": "VDD",+ "type": "power_in",+ "description": "Main digital supply voltage (1.71 to 3.6 V) for core and I/O logic."+ },+ {+ "number": "25",+ "name": "PB12",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (BKIN, BKIN_COMP2), I2C2 (SMBA), SPI2 (NSS), DFSDM1 (DATIN1), USART3 (CK), LPUART1 (RTS_DE), TSC (G1_IO1), CAN1 (RX), SAI1 (FS_A), and TIM15 (BKIN)."+ },+ {+ "number": "26",+ "name": "PB13",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (CH1N), I2C2 (SCL), SPI2 (SCK), DFSDM1 (CKIN1), USART3 (CTS), LPUART1 (CTS), TSC (G1_IO2), CAN1 (TX), SAI1 (SCK_A), and TIM15 (CH1N)."+ },+ {+ "number": "27",+ "name": "PB14",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (CH2N), I2C2 (SDA), SPI2 (MISO), DFSDM1 (DATIN2), USART3 (RTS_DE), TSC (G1_IO3), SAI1 (MCLK_A), and TIM15 (CH1)."+ },+ {+ "number": "28",+ "name": "PB15",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for RTC (REFIN), TIM1 (CH3N), SPI2 (MOSI), DFSDM1 (CKIN2), TSC (G1_IO4), SAI1 (SD_A), and TIM15 (CH2)."+ },+ {+ "number": "29",+ "name": "PA8",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for MCO (master clock output), TIM1 (CH1), DFSDM1 (CKIN1), USART1 (CK), SAI1 (SCK_A), and LPTIM2 (OUT)."+ },+ {+ "number": "30",+ "name": "PA9",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (CH2), I2C1 (SCL), DFSDM1 (DATIN1), USART1 (TX), SAI1 (FS_A), and TIM15 (BKIN)."+ },+ {+ "number": "31",+ "name": "PA10",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (CH3), I2C1 (SDA), USART1 (RX), USB (CRS_SYNC), and SAI1 (SD_A)."+ },+ {+ "number": "32",+ "name": "PA11",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (CH4, BKIN2, BKIN2_COMP1), SPI1 (MISO), COMP1 output, USART1 (CTS), CAN1 (RX), and USB (DM)."+ },+ {+ "number": "33",+ "name": "PA12",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for TIM1 (ETR), SPI1 (MOSI), USART1 (RTS_DE), CAN1 (TX), and USB (DP)."+ },+ {+ "number": "34",+ "name": "PA13 (JTMS/SWDIO)",+ "type": "bidirectional",+ "description": "JTAG/SWD debug pin (SWDIO) with internal pull-up after reset; alternate functions for IR output, USB (NOE), and SAI1 (SD_B)."+ },+ {+ "number": "35",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground reference pin for digital logic (0 V reference)."+ },+ {+ "number": "36",+ "name": "VDDUSB",+ "type": "power_in",+ "description": "USB supply voltage (3.0 to 3.6 V) dedicated for USB interface."+ },+ {+ "number": "37",+ "name": "PA14 (JTCK/SWCLK)",+ "type": "bidirectional",+ "description": "JTAG/SWD debug pin (SWCLK) with internal pull-down after reset; alternate functions for LPTIM1 (OUT), I2C1 (SMBA), I2C4 (SMBA), and SAI1 (FS_B)."+ },+ {+ "number": "38",+ "name": "PA15 (JTDI)",+ "type": "bidirectional",+ "description": "JTAG debug pin (JTDI) with internal pull-up after reset; alternate functions for TIM2 (CH1, ETR), USART2 (RX), SPI1 (NSS), SPI3 (NSS), USART3 (RTS_DE), UART4 (RTS_DE), and TSC (G3_IO1)."+ },+ {+ "number": "39",+ "name": "PB3 (JTDO/TRACESWO)",+ "type": "bidirectional",+ "description": "JTAG debug and trace pin (JTDO/TRACESWO); alternate functions for TIM2 (CH2), SPI1 (SCK), SPI3 (SCK), USART1 (RTS_DE), and SAI1 (SCK_B); COMP2 input."+ },+ {+ "number": "40",+ "name": "PB4 (NJTRST)",+ "type": "bidirectional",+ "description": "JTAG reset pin (NJTRST) for debug; alternate functions for TIM3 (CH1), I2C3 (SDA), SPI1 (MISO), SPI3 (MISO), USART1 (CTS), TSC (G2_IO1), and SAI1 (MCLK_B); COMP2 input."+ },+ {+ "number": "41",+ "name": "PB5",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for LPTIM1 (IN1), TIM3 (CH2), CAN1 (RX), I2C1 (SMBA), SPI1 (MOSI), SPI3 (MOSI), USART1 (CK), TSC (G2_IO2), COMP2 output, SAI1 (SD_B), and TIM16 (BKIN)."+ },+ {+ "number": "42",+ "name": "PB6",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for LPTIM1 (ETR), I2C1 (SCL), I2C4 (SCL), USART1 (TX), CAN1 (TX), TSC (G2_IO3), SAI1 (FS_B), and TIM16 (CH1N); COMP2 input."+ },+ {+ "number": "43",+ "name": "PB7",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for LPTIM1 (IN2), I2C1 (SDA), I2C4 (SDA), USART1 (RX), UART4 (CTS), TSC (G2_IO4); COMP2 input and PVD input."+ },+ {+ "number": "44",+ "name": "PH3-BOOT0 (BOOT0)",+ "type": "bidirectional",+ "description": "Boot mode selection pin for device startup; GPIO with EVENTOUT alternate function."+ },+ {+ "number": "45",+ "name": "PB8",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for I2C1 (SCL), CAN1 (RX), SDMMC1 (D4), SAI1 (MCLK_A), and TIM16 (CH1)."+ },+ {+ "number": "46",+ "name": "PB9",+ "type": "bidirectional",+ "description": "GPIO with alternate functions for IR output, I2C1 (SDA), SPI2 (NSS), CAN1 (TX), SDMMC1 (D5), and SAI1 (FS_A)."+ },+ {+ "number": "47",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground reference pin for digital logic (0 V reference)."+ },+ {+ "number": "48",+ "name": "VDD",+ "type": "power_in",+ "description": "Main digital supply voltage (1.71 to 3.6 V) for core and I/O logic."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883943885557760",+ "pages": 210,+ "sha256": "eeeaa72ec16c85ea",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 45,+ "described": 45,+ "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]"+ }+}