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STM32L071CZT6TR
Public Made by Adomby adom
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 @@+# STM32L071CZT6TR++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)++STM32L071CZT6TR 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 | VDD | power_in | Main positive power supply pin, 1.65 V to 3.6 V |+| 2 | PC13 | bidirectional | General-purpose I/O port C bit 13, supporting RTC tamper input 1, RTC timestamp, RTC output, and wakeup 2 |+| 3 | PC14-OSC32_IN | bidirectional | Port C bit 14 with 32.768 kHz oscillator input function capability |+| 4 | PC15-OSC32_OUT | bidirectional | Port C bit 15 with 32.768 kHz oscillator output function capability |+| 5 | PH0-OSC_IN | bidirectional | Port H bit 0 with high-speed oscillator input function capability |+| 6 | PH1-OSC_OUT | bidirectional | Port H bit 1 with high-speed oscillator output function capability |+| 7 | NRST | bidirectional | Reset input pin with embedded weak pull-up resistor, active low |+| 8 | VSSA | power_in | Analog ground pin for ADC and comparator reference |+| 9 | VDDA | power_in | Analog power supply pin for ADC and comparators, 1.65 V to 3.6 V |+| 10 | PA0 | bidirectional | General-purpose I/O port A bit 0, TTL input, supporting ADC channel 0, COMP1 negative input, RTC tamper/wakeup, TIM2 and USART functions |+| 11 | PA1 | bidirectional | General-purpose I/O port A bit 1, 5V tolerant, supporting ADC channel 1, COMP1 positive input, TIM2 and USART functions |+| 12 | PA2 | bidirectional | General-purpose I/O port A bit 2, 5V tolerant, supporting ADC channel 2, COMP2 negative input, TIM2 and USART functions |+| 13 | PA3 | bidirectional | General-purpose I/O port A bit 3, 5V tolerant, supporting ADC channel 3, COMP2 positive input, TIM2 and USART functions |+| 14 | PA4 | bidirectional | General-purpose I/O port A bit 4, standard 3.3V I/O, supporting ADC channel 4, COMP1/COMP2 negative input, SPI and TIM functions |+| 15 | PA5 | bidirectional | General-purpose I/O port A bit 5, standard 3.3V I/O, supporting ADC channel 5, COMP1/COMP2 negative input, SPI and TIM functions |+| 16 | PA6 | bidirectional | General-purpose I/O port A bit 6, 5V tolerant, supporting ADC channel 6, COMP1 output, SPI and TIM functions |+| 17 | PA7 | bidirectional | General-purpose I/O port A bit 7, 5V tolerant, supporting ADC channel 7, COMP2 output, SPI and TIM functions |+| 18 | PB0 | bidirectional | General-purpose I/O port B bit 0, 5V tolerant, supporting ADC channel 8, VREF output, TIM3 functions |+| 19 | PB1 | bidirectional | General-purpose I/O port B bit 1, 5V tolerant, supporting ADC channel 9, VREF output, TIM3 and LPUART functions |+| 20 | PB2 | bidirectional | General-purpose I/O port B bit 2, 5V tolerant, supporting LPTIM1 output and I2C3 SMBus alert functions |+| 21 | PB10 | bidirectional | General-purpose I/O port B bit 10, 5V tolerant, supporting TIM2, LPUART, SPI2 and I2C2 functions |+| 22 | PB11 | bidirectional | General-purpose I/O port B bit 11, 5V tolerant, supporting TIM2, LPUART and I2C2 functions |+| 23 | VSS | power_in | Ground pin, 0 V reference for digital circuits |+| 24 | VDD | power_in | Main positive power supply pin, 1.65 V to 3.6 V |+| 25 | PB12 | bidirectional | General-purpose I/O port B bit 12, 5V tolerant, supporting SPI2/I2S2, LPUART and I2C2 functions |+| 26 | PB13 | bidirectional | General-purpose I/O port B bit 13, 5V tolerant with FM+ capability, supporting SPI2/I2S2, MCO, LPUART and I2C2 functions |+| 27 | PB14 | bidirectional | General-purpose I/O port B bit 14, 5V tolerant with FM+ capability, supporting SPI2/I2S2, RTC, LPUART and I2C2 functions |+| 28 | PB15 | bidirectional | General-purpose I/O port B bit 15, 5V tolerant, supporting SPI2/I2S2 and RTC functions |+| 29 | PA8 | bidirectional | General-purpose I/O port A bit 8, 5V tolerant with FM+ capability, supporting MCO, USART1, I2C3 and event output functions |+| 30 | PA9 | bidirectional | General-purpose I/O port A bit 9, 5V tolerant with FM+ capability, supporting MCO, USART1, I2C1/I2C3 and event output functions |+| 31 | PA10 | bidirectional | General-purpose I/O port A bit 10, 5V tolerant with FM+ capability, supporting USART1 and I2C1 functions |+| 32 | PA11 | bidirectional | General-purpose I/O port A bit 11 supplied by VDDIO2, 5V tolerant, supporting SPI1, USART1 and COMP1 functions |+| 33 | PA12 | bidirectional | General-purpose I/O port A bit 12 supplied by VDDIO2, 5V tolerant, supporting SPI1, USART1 and COMP2 functions |+| 34 | PA13 | bidirectional | General-purpose I/O port A bit 13, 5V tolerant, supporting SWDIO debug interface and LPUART1 receive functions |+| 35 | VSS | power_in | Ground pin, 0 V reference for digital circuits |+| 36 | VDDIO2 | power_in | Isolated positive power supply for PA11 and PA12 pins, 1.65 V to 3.6 V |+| 37 | PA14 | bidirectional | General-purpose I/O port A bit 14, 5V tolerant, supporting SWCLK debug interface and LPUART1 transmit functions |+| 38 | PA15 | bidirectional | General-purpose I/O port A bit 15, 5V tolerant, supporting SPI1, TIM2, USART and USART4 functions |+| 39 | PB3 | bidirectional | General-purpose I/O port B bit 3, 5V tolerant, supporting SPI1, TIM2, USART1 and COMP2 negative input functions |+| 40 | PB4 | bidirectional | General-purpose I/O port B bit 4, 5V tolerant with FM+ capability, supporting SPI1, TIM3/TIM22, USART1 and COMP2 positive input functions |+| 41 | PB5 | bidirectional | General-purpose I/O port B bit 5, 5V tolerant, supporting SPI1, LPTIM1, I2C1 and COMP2 functions |+| 42 | PB6 | bidirectional | General-purpose I/O port B bit 6, 5V tolerant with FM+ capability, supporting USART1, I2C1 and LPTIM1 functions |+| 43 | PB7 | bidirectional | General-purpose I/O port B bit 7, 5V tolerant with FM+ capability, supporting USART1, I2C1, LPTIM1, COMP2 and VREF_PVD functions |+| 44 | BOOT0 | input | Boot mode selection pin, selects between boot from main flash memory or system memory |+| 45 | PB8 | bidirectional | General-purpose I/O port B bit 8, 5V tolerant with FM+ capability, supporting I2C1 clock function |+| 46 | PB9 | bidirectional | General-purpose I/O port B bit 9, 5V tolerant with FM+ capability, supporting I2C1 data and SPI2/I2S2 functions |+| 47 | VSS | power_in | Ground pin, 0 V reference for digital circuits |+| 48 | VDD | power_in | Main positive power supply pin, 1.65 V to 3.6 V |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-48(7x7) |+| Category | Embedded Processors & Controllers |+| Pins | 48 |++## CAD (KiCad official)++- Symbol: `STM32L071CZT6TR`+- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`+- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)+- 3D model files: `stm32l071czt6tr-etched.step` / `stm32l071czt6tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l071czt6tr.step` / `stm32l071czt6tr.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/8588941838254280704) (148 pp, sha256 `f413c7ce36b98e6c`, retrieved 2026-10-01, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/stm32l071czt6tr-datasheet.pdf)
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Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32l071czt6tr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32l071czt6tr.kicad_sym",+ "stm32l071czt6tr.kicad_mod",+ "stm32l071czt6tr.glb",+ "stm32l071czt6tr.step",+ "stm32l071czt6tr.lbr",+ "docs/hero.png",+ "docs/stm32l071czt6tr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "STM32L071CZT6TR",+ "manufacturer": "STMicroelectronics",+ "package": "LQFP-48(7x7)",+ "pin_count": 48,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941838254280704",+ "parts": {+ "symbol": "stm32l071czt6tr.kicad_sym",+ "footprint": "stm32l071czt6tr.kicad_mod",+ "model_3d": "stm32l071czt6tr-etched.glb",+ "model_3d_plain": "stm32l071czt6tr.glb",+ "model_3d_step": "stm32l071czt6tr-etched.step",+ "model_3d_step_plain": "stm32l071czt6tr.step",+ "lbr": "stm32l071czt6tr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2053456",+ "digikey": "497-18818-2-ND",+ "mouser": "511-STM32L071CZT6TR"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T15:39:36Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-18818-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32L071CZT6TR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Main positive power supply pin, 1.65 V to 3.6 V"+ },+ {+ "number": "2",+ "name": "PC13",+ "type": "bidirectional",+ "description": "General-purpose I/O port C bit 13, supporting RTC tamper input 1, RTC timestamp, RTC output, and wakeup 2"+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "Port C bit 14 with 32.768 kHz oscillator input function capability"+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "Port C bit 15 with 32.768 kHz oscillator output function capability"+ },+ {+ "number": "5",+ "name": "PH0-OSC_IN",+ "type": "bidirectional",+ "description": "Port H bit 0 with high-speed oscillator input function capability"+ },+ {+ "number": "6",+ "name": "PH1-OSC_OUT",+ "type": "bidirectional",+ "description": "Port H bit 1 with high-speed oscillator output function capability"+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Reset input pin with embedded weak pull-up resistor, active low"+ },+ {+ "number": "8",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground pin for ADC and comparator reference"+ },+ {+ "number": "9",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply pin for ADC and comparators, 1.65 V to 3.6 V"+ },+ {+ "number": "10",+ "name": "PA0",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 0, TTL input, supporting ADC channel 0, COMP1 negative input, RTC tamper/wakeup, TIM2 and USART functions"+ },+ {+ "number": "11",+ "name": "PA1",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 1, 5V tolerant, supporting ADC channel 1, COMP1 positive input, TIM2 and USART functions"+ },+ {+ "number": "12",+ "name": "PA2",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 2, 5V tolerant, supporting ADC channel 2, COMP2 negative input, TIM2 and USART functions"+ },+ {+ "number": "13",+ "name": "PA3",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 3, 5V tolerant, supporting ADC channel 3, COMP2 positive input, TIM2 and USART functions"+ },+ {+ "number": "14",+ "name": "PA4",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 4, standard 3.3V I/O, supporting ADC channel 4, COMP1/COMP2 negative input, SPI and TIM functions"+ },+ {+ "number": "15",+ "name": "PA5",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 5, standard 3.3V I/O, supporting ADC channel 5, COMP1/COMP2 negative input, SPI and TIM functions"+ },+ {+ "number": "16",+ "name": "PA6",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 6, 5V tolerant, supporting ADC channel 6, COMP1 output, SPI and TIM functions"+ },+ {+ "number": "17",+ "name": "PA7",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 7, 5V tolerant, supporting ADC channel 7, COMP2 output, SPI and TIM functions"+ },+ {+ "number": "18",+ "name": "PB0",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 0, 5V tolerant, supporting ADC channel 8, VREF output, TIM3 functions"+ },+ {+ "number": "19",+ "name": "PB1",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 1, 5V tolerant, supporting ADC channel 9, VREF output, TIM3 and LPUART functions"+ },+ {+ "number": "20",+ "name": "PB2",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 2, 5V tolerant, supporting LPTIM1 output and I2C3 SMBus alert functions"+ },+ {+ "number": "21",+ "name": "PB10",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 10, 5V tolerant, supporting TIM2, LPUART, SPI2 and I2C2 functions"+ },+ {+ "number": "22",+ "name": "PB11",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 11, 5V tolerant, supporting TIM2, LPUART and I2C2 functions"+ },+ {+ "number": "23",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin, 0 V reference for digital circuits"+ },+ {+ "number": "24",+ "name": "VDD",+ "type": "power_in",+ "description": "Main positive power supply pin, 1.65 V to 3.6 V"+ },+ {+ "number": "25",+ "name": "PB12",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 12, 5V tolerant, supporting SPI2/I2S2, LPUART and I2C2 functions"+ },+ {+ "number": "26",+ "name": "PB13",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 13, 5V tolerant with FM+ capability, supporting SPI2/I2S2, MCO, LPUART and I2C2 functions"+ },+ {+ "number": "27",+ "name": "PB14",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 14, 5V tolerant with FM+ capability, supporting SPI2/I2S2, RTC, LPUART and I2C2 functions"+ },+ {+ "number": "28",+ "name": "PB15",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 15, 5V tolerant, supporting SPI2/I2S2 and RTC functions"+ },+ {+ "number": "29",+ "name": "PA8",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 8, 5V tolerant with FM+ capability, supporting MCO, USART1, I2C3 and event output functions"+ },+ {+ "number": "30",+ "name": "PA9",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 9, 5V tolerant with FM+ capability, supporting MCO, USART1, I2C1/I2C3 and event output functions"+ },+ {+ "number": "31",+ "name": "PA10",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 10, 5V tolerant with FM+ capability, supporting USART1 and I2C1 functions"+ },+ {+ "number": "32",+ "name": "PA11",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 11 supplied by VDDIO2, 5V tolerant, supporting SPI1, USART1 and COMP1 functions"+ },+ {+ "number": "33",+ "name": "PA12",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 12 supplied by VDDIO2, 5V tolerant, supporting SPI1, USART1 and COMP2 functions"+ },+ {+ "number": "34",+ "name": "PA13",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 13, 5V tolerant, supporting SWDIO debug interface and LPUART1 receive functions"+ },+ {+ "number": "35",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin, 0 V reference for digital circuits"+ },+ {+ "number": "36",+ "name": "VDDIO2",+ "type": "power_in",+ "description": "Isolated positive power supply for PA11 and PA12 pins, 1.65 V to 3.6 V"+ },+ {+ "number": "37",+ "name": "PA14",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 14, 5V tolerant, supporting SWCLK debug interface and LPUART1 transmit functions"+ },+ {+ "number": "38",+ "name": "PA15",+ "type": "bidirectional",+ "description": "General-purpose I/O port A bit 15, 5V tolerant, supporting SPI1, TIM2, USART and USART4 functions"+ },+ {+ "number": "39",+ "name": "PB3",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 3, 5V tolerant, supporting SPI1, TIM2, USART1 and COMP2 negative input functions"+ },+ {+ "number": "40",+ "name": "PB4",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 4, 5V tolerant with FM+ capability, supporting SPI1, TIM3/TIM22, USART1 and COMP2 positive input functions"+ },+ {+ "number": "41",+ "name": "PB5",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 5, 5V tolerant, supporting SPI1, LPTIM1, I2C1 and COMP2 functions"+ },+ {+ "number": "42",+ "name": "PB6",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 6, 5V tolerant with FM+ capability, supporting USART1, I2C1 and LPTIM1 functions"+ },+ {+ "number": "43",+ "name": "PB7",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 7, 5V tolerant with FM+ capability, supporting USART1, I2C1, LPTIM1, COMP2 and VREF_PVD functions"+ },+ {+ "number": "44",+ "name": "BOOT0",+ "type": "input",+ "description": "Boot mode selection pin, selects between boot from main flash memory or system memory"+ },+ {+ "number": "45",+ "name": "PB8",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 8, 5V tolerant with FM+ capability, supporting I2C1 clock function"+ },+ {+ "number": "46",+ "name": "PB9",+ "type": "bidirectional",+ "description": "General-purpose I/O port B bit 9, 5V tolerant with FM+ capability, supporting I2C1 data and SPI2/I2S2 functions"+ },+ {+ "number": "47",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin, 0 V reference for digital circuits"+ },+ {+ "number": "48",+ "name": "VDD",+ "type": "power_in",+ "description": "Main positive power supply pin, 1.65 V to 3.6 V"+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: VREF+ and VREF- pins are documented in LQFP64, LQFP100, and other packages but not included in the L; PA11 and PA12 are noted in the datasheet as supplied by VDDIO2 (isolated power supply) and this is a",+ "22/48 pins cited to the wrong page (name found elsewhere): ['21:PB10@p41', '22:PB11@p41', '25:PB12@p41', '26:PB13@p41']"+ ],+ "pages_sent": 74,+ "cost_usd": 0.4507,+ "at": "2026-10-01T15:39:13"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941838254280704",+ "pages": 148,+ "sha256": "f413c7ce36b98e6c",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}