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BLUENRG-355AC
Public Made by Adomby adom
STMicroelectronics RF Transceiver ICs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+69@@ -0,0 +1,69 @@+# BLUENRG-355AC++**STMicroelectronics** · RF Transceiver ICs · QFN-32-EP(5x5)++BLUENRG-355AC from STMicroelectronics, in a QFN-32-EP(5x5). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | PB3 | bidirectional | I/O pin with 5 V tolerance; supports USART_CTS, LPUART_TX, TIM1_CH4 alternate functions; ADC_VINP0 analog input; wakeup capable. |+| 2 | PB2 | bidirectional | I/O pin with 5 V tolerance; supports USART_RTS_DE, PDM_DATA, TIM1_CH3 alternate functions; ADC_VINM0 analog input; wakeup capable. |+| 3 | PB1 | bidirectional | I/O pin with 5 V tolerance; supports SPI1_NSS, PDM_CLK, TIM1_ETR alternate functions; ADC_VINP1 analog input; wakeup capable. |+| 4 | PB0 | bidirectional | I/O pin with 5 V tolerance; supports USART_RX, LPUART_RTS_DE, TIM1_CH2N alternate functions; ADC_VINM1 analog input; wakeup capable. |+| 5 | PA11 | bidirectional | I/O pin with 5 V tolerance; supports MCO, SPI1_NSS, RX_SEQUENCE, SPI3_MOSI, TIM1_CH6, I2S3_SD alternate functions; provides GPIO output and RTC_OUT in DEEPSTOP mode; wakeup capable. |+| 6 | PA10 | bidirectional | I/O pin with 5 V tolerance; supports LCO, SPI1_MISO, TX_SEQUENCE, SPI3_MCK, TIM1_CH5, I2S3_MCK alternate functions; BOOT pin configuration; GPIO output in DEEPSTOP mode; wakeup capable. |+| 7 | PA9 | bidirectional | I/O pin with 5 V tolerance; supports USART_TX, SPI1_SCK, RTC_OUT, SPI3_NSS, TIM1_CH4, I2S3_WS alternate functions; GPIO output in DEEPSTOP mode; wakeup capable. |+| 8 | PA8 | bidirectional | I/O pin with 5 V tolerance; supports USART_RX, SPI1_MOSI, RX_SEQUENCE, SPI3_MISO, TIM1_CH3, I2S3_MISO alternate functions; GPIO output in DEEPSTOP mode; wakeup capable. |+| 9 | PA0 | bidirectional | I/O pin with 5 V tolerance and Fm+ capable; supports I2C1_SCL, USART_CTS, SPI2_MCK, TIM1_CH3, I2S2_MCK alternate functions; wakeup capable. |+| 10 | PA1 | bidirectional | I/O pin with 5 V tolerance and Fm+ capable; supports I2C1_SDA, SPI2_MISO, USART_TX, TIM1_CH4, I2S2_MISO alternate functions; wakeup capable. |+| 11 | PA2 | bidirectional | I/O pin with 5 V tolerance; supports SWDIO, USART_CK, TIM_BKIN, SPI3_MCK, TIM1_CH5, I2S3_MCK alternate functions; wakeup capable. |+| 12 | PA3 | bidirectional | I/O pin with 5 V tolerance; supports SWCLK, USART_RTS_DE, TIM_BKIN2, SPI3_SCK, TIM1_CH6, I2S3_SCK alternate functions; wakeup capable. |+| 13 | VDD2 | power_in | Battery voltage supply input, 1.7 to 3.6 V. |+| 14 | RF1 | bidirectional | RF input/output with 50 Ω characteristic impedance for antenna connection. |+| 15 | VDDRF | power_in | RF battery voltage supply input, 1.7 to 3.6 V. |+| 16 | OSCOUT | bidirectional | 32 MHz oscillator output for external crystal oscillator circuit. |+| 17 | OSCIN | bidirectional | 32 MHz oscillator input for external crystal oscillator circuit. |+| 18 | PB15 | bidirectional | I/O pin with 5 V tolerance; supports I2C1_SMBA, TX_SEQUENCE, MCO, TIM1_CH4N, TIM1_CH6, USART_TX alternate functions. |+| 19 | PB14 | bidirectional | I/O pin with 5 V tolerance and analog switch; supports SPI1_MOSI, I2C2_SDA, TIM1_ETR, TIM1_CH3N, TIM1_CH5, USART_RX alternate functions; VIN_PVD analog input. |+| 20 | PB13 | bidirectional | I/O pin with 5 V tolerance; supports SPI1_MISO, I2C2_SCL, PDM_CLK, TIM1_BKIN2, TIM1_CH4 alternate functions; SXTAL1 function for crystal oscillator. |+| 21 | PB12 | bidirectional | I/O pin with 5 V tolerance; supports SPI1_SCK, LCO, PDM_DATA, TIM1_BKIN, TIM1_CH3 alternate functions; SXTAL0 function for crystal oscillator. |+| 22 | VFBSD | passive | SMPS feedback voltage output for DC-DC converter step-down regulator. |+| 23 | VSS | power_in | Ground connection. |+| 24 | VLXSD | passive | SMPS inductor voltage input/output node. |+| 25 | VDDSD | power_in | Battery voltage supply input for SMPS, 1.7 to 3.6 V. |+| 26 | RSTN | input | Active-low reset input with internal pull-up resistor (25-55 kΩ) and 200 mV Schmitt trigger hysteresis. |+| 27 | VCAP | passive | Digital core voltage regulator output, nominally 1.2 V. |+| 28 | PB7 | bidirectional | I/O pin with 5 V tolerance and Fm+ capable; supports I2C2_SDA, SPI2_SCK, LPUART_RX, TIM1_CH2, I2S2_SCK alternate functions; wakeup capable. |+| 29 | PB6 | bidirectional | I/O pin with 5 V tolerance and Fm+ capable; supports I2C2_SCL, SPI2_NSS, LPUART_TX, TIM1_CH1, I2S2_WS alternate functions; wakeup capable. |+| 30 | PB5 | bidirectional | I/O pin with 3.6 V tolerance; supports LPUART_RX, SPI2_MOSI, PDM_CLK, I2S2_SD alternate functions; PGA_VBIAS_MIC analog output; wakeup capable. |+| 31 | PB4 | bidirectional | I/O pin with 5 V tolerance; supports LPUART_TX, SPI2_MISO, PDM_DATA, I2S2_MISO alternate functions; PGA_VIN analog input; wakeup capable. |+| 32 | VDD1 | power_in | Battery voltage supply input, 1.7 to 3.6 V. |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | QFN-32-EP(5x5) |+| Category | RF And Wireless |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `BLUENRG-355AC`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm`+- 3D model: QFN-32-EP(5x5) (KiCad packages3D, STEP)+- 3D model files: `bluenrg-355ac-etched.step` / `bluenrg-355ac-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bluenrg-355ac.step` / `bluenrg-355ac.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/8590887575547043840) (73 pp, sha256 `c3c8def9f2699f65`, retrieved 2026-09-24, 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/bluenrg-355ac-datasheet.pdf)
page.jsonadded+295@@ -0,0 +1,295 @@+{+ "slug": "bluenrg-355ac",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics RF Transceiver ICs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "rf and wireless",+ "bluenrg-355ac",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bluenrg-355ac.kicad_sym",+ "bluenrg-355ac.kicad_mod",+ "bluenrg-355ac.glb",+ "bluenrg-355ac.step",+ "bluenrg-355ac.lbr",+ "docs/hero.png",+ "docs/bluenrg-355ac-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BLUENRG-355AC",+ "manufacturer": "STMicroelectronics",+ "package": "QFN-32-EP(5x5)",+ "pin_count": 33,+ "category": "RF And Wireless",+ "subcategory": "RF Transceiver ICs",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590887575547043840",+ "parts": {+ "symbol": "bluenrg-355ac.kicad_sym",+ "footprint": "bluenrg-355ac.kicad_mod",+ "model_3d": "bluenrg-355ac-etched.glb",+ "model_3d_plain": "bluenrg-355ac.glb",+ "model_3d_step": "bluenrg-355ac-etched.step",+ "model_3d_step_plain": "bluenrg-355ac.step",+ "lbr": "bluenrg-355ac.lbr"+ },+ "distributor_links": {+ "lcsc": "C3606777"+ },+ "pins": [+ {+ "number": "1",+ "name": "PB3",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports USART_CTS, LPUART_TX, TIM1_CH4 alternate functions; ADC_VINP0 analog input; wakeup capable."+ },+ {+ "number": "2",+ "name": "PB2",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports USART_RTS_DE, PDM_DATA, TIM1_CH3 alternate functions; ADC_VINM0 analog input; wakeup capable."+ },+ {+ "number": "3",+ "name": "PB1",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports SPI1_NSS, PDM_CLK, TIM1_ETR alternate functions; ADC_VINP1 analog input; wakeup capable."+ },+ {+ "number": "4",+ "name": "PB0",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports USART_RX, LPUART_RTS_DE, TIM1_CH2N alternate functions; ADC_VINM1 analog input; wakeup capable."+ },+ {+ "number": "5",+ "name": "PA11",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports MCO, SPI1_NSS, RX_SEQUENCE, SPI3_MOSI, TIM1_CH6, I2S3_SD alternate functions; provides GPIO output and RTC_OUT in DEEPSTOP mode; wakeup capable."+ },+ {+ "number": "6",+ "name": "PA10",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports LCO, SPI1_MISO, TX_SEQUENCE, SPI3_MCK, TIM1_CH5, I2S3_MCK alternate functions; BOOT pin configuration; GPIO output in DEEPSTOP mode; wakeup capable."+ },+ {+ "number": "7",+ "name": "PA9",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports USART_TX, SPI1_SCK, RTC_OUT, SPI3_NSS, TIM1_CH4, I2S3_WS alternate functions; GPIO output in DEEPSTOP mode; wakeup capable."+ },+ {+ "number": "8",+ "name": "PA8",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports USART_RX, SPI1_MOSI, RX_SEQUENCE, SPI3_MISO, TIM1_CH3, I2S3_MISO alternate functions; GPIO output in DEEPSTOP mode; wakeup capable."+ },+ {+ "number": "9",+ "name": "PA0",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance and Fm+ capable; supports I2C1_SCL, USART_CTS, SPI2_MCK, TIM1_CH3, I2S2_MCK alternate functions; wakeup capable."+ },+ {+ "number": "10",+ "name": "PA1",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance and Fm+ capable; supports I2C1_SDA, SPI2_MISO, USART_TX, TIM1_CH4, I2S2_MISO alternate functions; wakeup capable."+ },+ {+ "number": "11",+ "name": "PA2",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports SWDIO, USART_CK, TIM_BKIN, SPI3_MCK, TIM1_CH5, I2S3_MCK alternate functions; wakeup capable."+ },+ {+ "number": "12",+ "name": "PA3",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports SWCLK, USART_RTS_DE, TIM_BKIN2, SPI3_SCK, TIM1_CH6, I2S3_SCK alternate functions; wakeup capable."+ },+ {+ "number": "13",+ "name": "VDD2",+ "type": "power_in",+ "description": "Battery voltage supply input, 1.7 to 3.6 V."+ },+ {+ "number": "14",+ "name": "RF1",+ "type": "bidirectional",+ "description": "RF input/output with 50 Ω characteristic impedance for antenna connection."+ },+ {+ "number": "15",+ "name": "VDDRF",+ "type": "power_in",+ "description": "RF battery voltage supply input, 1.7 to 3.6 V."+ },+ {+ "number": "16",+ "name": "OSCOUT",+ "type": "bidirectional",+ "description": "32 MHz oscillator output for external crystal oscillator circuit."+ },+ {+ "number": "17",+ "name": "OSCIN",+ "type": "bidirectional",+ "description": "32 MHz oscillator input for external crystal oscillator circuit."+ },+ {+ "number": "18",+ "name": "PB15",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports I2C1_SMBA, TX_SEQUENCE, MCO, TIM1_CH4N, TIM1_CH6, USART_TX alternate functions."+ },+ {+ "number": "19",+ "name": "PB14",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance and analog switch; supports SPI1_MOSI, I2C2_SDA, TIM1_ETR, TIM1_CH3N, TIM1_CH5, USART_RX alternate functions; VIN_PVD analog input."+ },+ {+ "number": "20",+ "name": "PB13",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports SPI1_MISO, I2C2_SCL, PDM_CLK, TIM1_BKIN2, TIM1_CH4 alternate functions; SXTAL1 function for crystal oscillator."+ },+ {+ "number": "21",+ "name": "PB12",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports SPI1_SCK, LCO, PDM_DATA, TIM1_BKIN, TIM1_CH3 alternate functions; SXTAL0 function for crystal oscillator."+ },+ {+ "number": "22",+ "name": "VFBSD",+ "type": "passive",+ "description": "SMPS feedback voltage output for DC-DC converter step-down regulator."+ },+ {+ "number": "23",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground connection."+ },+ {+ "number": "24",+ "name": "VLXSD",+ "type": "passive",+ "description": "SMPS inductor voltage input/output node."+ },+ {+ "number": "25",+ "name": "VDDSD",+ "type": "power_in",+ "description": "Battery voltage supply input for SMPS, 1.7 to 3.6 V."+ },+ {+ "number": "26",+ "name": "RSTN",+ "type": "input",+ "description": "Active-low reset input with internal pull-up resistor (25-55 kΩ) and 200 mV Schmitt trigger hysteresis."+ },+ {+ "number": "27",+ "name": "VCAP",+ "type": "passive",+ "description": "Digital core voltage regulator output, nominally 1.2 V."+ },+ {+ "number": "28",+ "name": "PB7",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance and Fm+ capable; supports I2C2_SDA, SPI2_SCK, LPUART_RX, TIM1_CH2, I2S2_SCK alternate functions; wakeup capable."+ },+ {+ "number": "29",+ "name": "PB6",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance and Fm+ capable; supports I2C2_SCL, SPI2_NSS, LPUART_TX, TIM1_CH1, I2S2_WS alternate functions; wakeup capable."+ },+ {+ "number": "30",+ "name": "PB5",+ "type": "bidirectional",+ "description": "I/O pin with 3.6 V tolerance; supports LPUART_RX, SPI2_MOSI, PDM_CLK, I2S2_SD alternate functions; PGA_VBIAS_MIC analog output; wakeup capable."+ },+ {+ "number": "31",+ "name": "PB4",+ "type": "bidirectional",+ "description": "I/O pin with 5 V tolerance; supports LPUART_TX, SPI2_MISO, PDM_DATA, I2S2_MISO alternate functions; PGA_VIN analog input; wakeup capable."+ },+ {+ "number": "32",+ "name": "VDD1",+ "type": "power_in",+ "description": "Battery voltage supply input, 1.7 to 3.6 V."+ },+ {+ "number": "33",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "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: OSCOUT and OSCIN pins marked as bidirectional; datasheet indicates these are oscillator input/output; VCAP and VFBSD marked as passive; these are regulator-related voltage nodes that could alternatively",+ "exposed pad 33 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 73,+ "cost_usd": 0.781,+ "at": "2026-09-24T09:34:58"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590887575547043840",+ "pages": 73,+ "sha256": "c3c8def9f2699f65",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "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]"+ }+}