component
BLUENRG-345AT
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.
main
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{
"slug": "bluenrg-345at",
"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",
"radio frequency chip-antenna",
"bluenrg-345at",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"bluenrg-345at.kicad_sym",
"bluenrg-345at.kicad_mod",
"bluenrg-345at.glb",
"bluenrg-345at.step",
"bluenrg-345at.lbr",
"docs/hero.png",
"docs/bluenrg-345at-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"bluenrg-345at-hero.glb",
"bluenrg-345at-hero.overlay.json",
"bluenrg-345at-etched.glb"
],
"component": {
"mpn": "BLUENRG-345AT",
"manufacturer": "STMicroelectronics",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Radio Frequency Chip/Antenna",
"subcategory": "RF Transceiver ICs",
"datasheet": "https://www.st.com/resource/en/datasheet/bluenrg-345at.pdf",
"parts": {
"symbol": "bluenrg-345at.kicad_sym",
"footprint": "bluenrg-345at.kicad_mod",
"model_3d": "bluenrg-345at-hero.glb",
"model_3d_plain": "bluenrg-345at-etched.glb",
"model_3d_step": "bluenrg-345at-etched.step",
"model_3d_step_plain": "bluenrg-345at.step",
"lbr": "bluenrg-345at.lbr"
},
"distributor_links": {
"lcsc": "C3606636",
"digikey": "497-BLUENRG-345ATTR-ND",
"mouser": "511-BLUENRG-345AT"
},
"distributor_check": {
"checked_at": "2026-11-02T17:21:23Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-BLUENRG-345ATTR-ND",
"status": "found"
},
"mouser": {
"pn": "511-BLUENRG-345AT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PB3",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO (FT_a) with wake-up, alternate functions USART_CTS, LPUART_TX and TIM1_CH4, and ADC input VINP0."
},
{
"number": "2",
"name": "PB2",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO (FT_a) with wake-up, alternate functions USART_RTS_DE, PDM_DATA and TIM1_CH3, and ADC input VINM0."
},
{
"number": "3",
"name": "PB1",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO (FT_a) with wake-up, alternate functions SPI1_NSS, PDM_CLK and TIM1_ETR, and ADC input VINP1."
},
{
"number": "4",
"name": "PB0",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO (FT_a) with wake-up, alternate functions USART_RX, LPUART_RTS_DE and TIM1_CH2N, and ADC input VINM1."
},
{
"number": "5",
"name": "PA11",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO with wake-up and GPIO-in-DEEPSTOP capability, alternate functions MCO, SPI1_NSS, RX_SEQUENCE and SPI3_MOSI."
},
{
"number": "6",
"name": "PA10",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO with BOOT, wake-up and GPIO-in-DEEPSTOP capability, alternate functions LCO, SPI1_MISO and TX_SEQUENCE."
},
{
"number": "7",
"name": "PA9",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO with wake-up and GPIO-in-DEEPSTOP capability, alternate functions USART_TX, SPI1_SCK and RTC_OUT."
},
{
"number": "8",
"name": "PA8",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO with wake-up and GPIO-in-DEEPSTOP capability, alternate functions USART_RX, SPI1_MOSI and RX_SEQUENCE."
},
{
"number": "9",
"name": "PA0",
"type": "bidirectional",
"description": "Bidirectional GPIO (FT_f, Fm+ capable) with wake-up, alternate functions I2C1_SCL, USART_CTS and SPI2_MCK."
},
{
"number": "10",
"name": "PA1",
"type": "bidirectional",
"description": "Bidirectional GPIO (FT_f, Fm+ capable) with wake-up, alternate functions I2C1_SDA, SPI2_MISO and USART_TX."
},
{
"number": "11",
"name": "PA2",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO with wake-up, serving as SWDIO by default, with alternate functions USART_CK, TIM_BKIN and SPI3_MCK."
},
{
"number": "12",
"name": "PA3",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO with wake-up, serving as SWCLK by default, with alternate functions USART_RTS_DE, TIM_BKIN2 and SPI3_SCK."
},
{
"number": "13",
"name": "VDD2",
"type": "power_in",
"description": "Battery voltage supply input, 1.7-3.6 V."
},
{
"number": "14",
"name": "RF1",
"type": "bidirectional",
"description": "RF input/output with 50 Ω impedance."
},
{
"number": "15",
"name": "VDDRF",
"type": "power_in",
"description": "Battery voltage supply input for the RF block, 1.7-3.6 V."
},
{
"number": "16",
"name": "OSCOUT",
"type": "bidirectional",
"description": "Connection to the 32 MHz crystal (RF I/O pin)."
},
{
"number": "17",
"name": "OSCIN",
"type": "bidirectional",
"description": "Connection to the 32 MHz crystal (RF I/O pin)."
},
{
"number": "18",
"name": "PB15",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO with alternate functions I2C1_SMBA, TX_SEQUENCE, MCO and USART_TX."
},
{
"number": "19",
"name": "PB14",
"type": "bidirectional",
"description": "Bidirectional 3.6 V tolerant GPIO (FT_a) with alternate functions SPI1_MOSI, I2C2_SDA and USART_RX, and additional function VIN_PVD."
},
{
"number": "20",
"name": "PB13",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO with alternate functions SPI1_MISO, I2C2_SCL and PDM_CLK, and additional function SXTAL1."
},
{
"number": "21",
"name": "PB12",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO with alternate functions SPI1_SCK, LCO and PDM_DATA, and additional function SXTAL0."
},
{
"number": "22",
"name": "VFBSD",
"type": "power_out",
"description": "SMPS output (feedback pin for the step-down converter)."
},
{
"number": "23",
"name": "VSSSD",
"type": "power_in",
"description": "SMPS ground."
},
{
"number": "24",
"name": "VLXSD",
"type": "bidirectional",
"description": "SMPS input/output switching node."
},
{
"number": "25",
"name": "VDDSD",
"type": "power_in",
"description": "Battery voltage supply input for the SMPS, 1.7-3.6 V."
},
{
"number": "26",
"name": "RSTN",
"type": "bidirectional",
"description": "Bidirectional reset pin with weak pull-up resistor."
},
{
"number": "27",
"name": "VCAP",
"type": "power_out",
"description": "1.2 V digital core supply output."
},
{
"number": "28",
"name": "PB7",
"type": "bidirectional",
"description": "Bidirectional GPIO (FT_f, Fm+ capable) with wake-up, alternate functions I2C2_SDA, SPI2_SCK and LPUART_RX."
},
{
"number": "29",
"name": "PB6",
"type": "bidirectional",
"description": "Bidirectional GPIO (FT_f, Fm+ capable) with wake-up, alternate functions I2C2_SCL, SPI2_NSS and LPUART_TX."
},
{
"number": "30",
"name": "PB5",
"type": "bidirectional",
"description": "Bidirectional 3.6 V tolerant GPIO (TT) with wake-up, alternate functions LPUART_RX, SPI2_MOSI and PDM_CLK, and additional function PGA_VBIAS_MIC (not 5 V tolerant)."
},
{
"number": "31",
"name": "PB4",
"type": "bidirectional",
"description": "Bidirectional 5 V tolerant GPIO with wake-up, alternate functions LPUART_TX, SPI2_MISO and PDM_DATA, and additional function PGA_VIN."
},
{
"number": "32",
"name": "VDD1",
"type": "power_in",
"description": "Battery voltage supply input, 1.7-3.6 V."
},
{
"number": "33",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"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: The ordering table (Table 49) lists QFN32 as one of the packages for the BLUENRG-3x5yz family but do; The exposed pad (GND) is listed in Table 3 without a printed pin number, so it is omitted from the p; Pin 23 is labelled VSSSD in Table 3 (SMPS ground) but VSS in the QFN32 figure on page 22; the table "
],
"pages_sent": 27,
"cost_usd": 0.0407,
"at": "2026-11-02T17:21:13"
},
"datasheet": {
"url": "https://www.st.com/resource/en/datasheet/bluenrg-345at.pdf",
"pages": 73,
"sha256": "c3c8def9f2699f65",
"source_tier": "mfr"
},
"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"
},
"models_3d": [
{
"file": "bluenrg-345at.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "bluenrg-345at-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "01ef11587d2be96f5c2e9f57e3f5b5044ad30d022f64d43e7bc21ed9e818f763",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}