component
BLUENRG-345MC
Public Made by Adomby adom
STMicroelectronics RF Transceiver ICs, QFN-48-EP(6x6). Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "bluenrg-345mc",
"version": "0.1.1",
"type": "component",
"description": "STMicroelectronics RF Transceiver ICs, QFN-48-EP(6x6). Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"rf and wireless",
"bluenrg-345mc",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"bluenrg-345mc.kicad_sym",
"bluenrg-345mc.kicad_mod",
"bluenrg-345mc.glb",
"bluenrg-345mc.step",
"bluenrg-345mc.lbr",
"docs/hero.png",
"docs/bluenrg-345mc-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"bluenrg-345mc-hero.glb",
"bluenrg-345mc-hero.overlay.json",
"bluenrg-345mc-etched.glb"
],
"component": {
"mpn": "BLUENRG-345MC",
"manufacturer": "STMicroelectronics",
"package": "QFN-48-EP(6x6)",
"pin_count": 49,
"category": "RF And Wireless",
"subcategory": "RF Transceiver ICs",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590361576147886080",
"parts": {
"symbol": "bluenrg-345mc.kicad_sym",
"footprint": "bluenrg-345mc.kicad_mod",
"model_3d": "bluenrg-345mc-hero.glb",
"model_3d_plain": "bluenrg-345mc-etched.glb",
"model_3d_step": "bluenrg-345mc-etched.step",
"model_3d_step_plain": "bluenrg-345mc.step",
"lbr": "bluenrg-345mc.lbr"
},
"distributor_links": {
"lcsc": "C3606690"
},
"distributor_check": {
"checked_at": "2026-10-21T18:34:30Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "PB3",
"type": "bidirectional",
"description": "5 V tolerant FT_a I/O with analog switch function; alternate functions USART_CTS, LPUART_TX, TIM1_CH4, additional functions ADC_VINP0 and wakeup."
},
{
"number": "2",
"name": "PB2",
"type": "bidirectional",
"description": "5 V tolerant FT_a I/O with analog switch function; alternate functions USART_RTS_DE, PDM_DATA, TIM1_CH3, additional functions ADC_VINM0 and wakeup."
},
{
"number": "3",
"name": "PB1",
"type": "bidirectional",
"description": "5 V tolerant FT_a I/O with analog switch function; alternate functions SPI1_NSS, PDM_CLK, TIM1_ETR, additional functions ADC_VINP1 and wakeup."
},
{
"number": "4",
"name": "PB0",
"type": "bidirectional",
"description": "5 V tolerant FT_a I/O with analog switch function; alternate functions USART_RX, LPUART_RTS_DE, TIM1_CH2N, additional functions ADC_VINM1 and wakeup."
},
{
"number": "5",
"name": "PA15",
"type": "bidirectional",
"description": "5 V tolerant FT_a I/O with analog switch function; alternate functions I2C2_SMBA, SPI1_MOSI, TIM1_BKIN2, additional functions ADC_VINP2 and wakeup."
},
{
"number": "6",
"name": "PA14",
"type": "bidirectional",
"description": "5 V tolerant FT_a I/O with analog switch function; alternate functions I2C2_SDA, SPI1_MISO, TIM1_BKIN, additional functions ADC_VINM2 and wakeup."
},
{
"number": "7",
"name": "PA13",
"type": "bidirectional",
"description": "5 V tolerant FT_a I/O with analog switch function; alternate functions I2C2_SCL, SPI1_SCK, SPI2_MISO, TIM1_ETR, I2S2_MISO, additional functions ADC_VINP3 and wakeup."
},
{
"number": "8",
"name": "PA12",
"type": "bidirectional",
"description": "5 V tolerant FT_a I/O with analog switch function; alternate functions I2C1_SMBA, SPI1_NSS, SPI2_MOSI, TIM1_CH1, I2S2_SD, additional functions ADC_VINM3 and wakeup."
},
{
"number": "9",
"name": "PA11",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions MCO, SPI1_NSS, RX_SEQUENCE, SPI3_MOSI, TIM1_CH6, I2S3_SD; additional functions wakeup, GPIO in DEEPSTOP and RTC_OUT."
},
{
"number": "10",
"name": "PA10",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions LCO, SPI1_MISO, TX_SEQUENCE, SPI3_MCK, TIM1_CH5, I2S3_MCK; additional functions BOOT, wakeup, GPIO in DEEPSTOP and LCO."
},
{
"number": "11",
"name": "PA9",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions USART_TX, SPI1_SCK, RTC_OUT, SPI3_NSS, TIM1_CH4, I2S3_WS; additional functions wakeup, GPIO in DEEPSTOP and LCO."
},
{
"number": "12",
"name": "PA8",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions USART_RX, SPI1_MOSI, RX_SEQUENCE, SPI3_MISO, TIM1_CH3, I2S3_MISO; additional functions wakeup, GPIO in DEEPSTOP and RTC_OUT."
},
{
"number": "13",
"name": "PA0",
"type": "bidirectional",
"description": "5 V tolerant FT_f I/O (Fm+ capable); alternate functions I2C1_SCL, USART_CTS, SPI2_MCK, TIM1_CH3, I2S2_MCK; additional function wakeup."
},
{
"number": "14",
"name": "PA1",
"type": "bidirectional",
"description": "5 V tolerant FT_f I/O (Fm+ capable); alternate functions I2C1_SDA, SPI2_MISO, USART_TX, TIM1_CH4, I2S2_MISO; additional function wakeup."
},
{
"number": "15",
"name": "PA2",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions SWDIO, USART_CK, TIM_BKIN, SPI3_MCK, TIM1_CH5, I2S3_MCK; additional function wakeup."
},
{
"number": "16",
"name": "PA3",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions SWCLK, USART_RTS_DE, TIM_BKIN2, SPI3_SCK, TIM1_CH6, I2S3_SCK; additional function wakeup."
},
{
"number": "17",
"name": "PA4",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions LCO, SPI2_NSS, LPUART_TX, TIM1_CH1, I2S2_WS; additional functions wakeup, GPIO in DEEPSTOP and LCO."
},
{
"number": "18",
"name": "PA5",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions MCO, SPI2_SCK, LPUART_RX, TIM1_CH2, I2S2_SCK; additional functions wakeup, GPIO in DEEPSTOP and LCO."
},
{
"number": "19",
"name": "PA6",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions LPUART_CTS, SPI2_MOSI, SPI2_NSS, TIM1_CH1, I2S2_SD, I2S2_WS; additional functions wakeup, GPIO in DEEPSTOP and LCO."
},
{
"number": "20",
"name": "PA7",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions LPUART_RTS_DE, SPI2_MISO, SPI2_SCK, TIM1_CH2, I2S2_MISO, I2S2_SCK; additional functions wakeup, GPIO in DEEPSTOP and RTC_OUT."
},
{
"number": "21",
"name": "VDD2",
"type": "power_in",
"description": "Battery voltage input, 1.7 to 3.6 V."
},
{
"number": "22",
"name": "RF1",
"type": "bidirectional",
"description": "RF input/output with 50 Ω impedance."
},
{
"number": "23",
"name": "VDDRF",
"type": "power_in",
"description": "Battery voltage input, 1.7 to 3.6 V."
},
{
"number": "24",
"name": "OSCOUT",
"type": "bidirectional",
"description": "RF pin for the 32 MHz crystal connection."
},
{
"number": "25",
"name": "OSCIN",
"type": "bidirectional",
"description": "RF pin for the 32 MHz crystal connection."
},
{
"number": "26",
"name": "VDD4",
"type": "power_in",
"description": "Battery voltage input, 1.7 to 3.6 V."
},
{
"number": "27",
"name": "PB15",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions I2C1_SMBA, TX_SEQUENCE, MCO, TIM1_CH4N, TIM1_CH6, USART_TX."
},
{
"number": "28",
"name": "PB14",
"type": "bidirectional",
"description": "5 V tolerant FT_a I/O with analog switch function; alternate functions SPI1_MOSI, I2C2_SDA, TIM1_ETR, TIM1_CH3N, TIM1_CH5, USART_RX; additional function VIN_PVD."
},
{
"number": "29",
"name": "PB13",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions SPI1_MISO, I2C2_SCL, PDM_CLK, TIM1_BKIN2, TIM1_CH4; additional function SXTAL1."
},
{
"number": "30",
"name": "PB12",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions SPI1_SCK, LCO, PDM_DATA, TIM1_BKIN, TIM1_CH3; additional function SXTAL0."
},
{
"number": "31",
"name": "VCAP",
"type": "power_out",
"description": "1.2 V digital core supply pin."
},
{
"number": "32",
"name": "VFBSD",
"type": "power_out",
"description": "SMPS output pin."
},
{
"number": "33",
"name": "NC",
"type": "unconnected",
"description": "Not connected; the datasheet gives no function for this pin."
},
{
"number": "34",
"name": "VSSSD",
"type": "power_in",
"description": "SMPS ground pin."
},
{
"number": "35",
"name": "VLXSD",
"type": "passive",
"description": "SMPS input/output pin."
},
{
"number": "36",
"name": "VDDSD",
"type": "power_in",
"description": "Battery voltage input, 1.7 to 3.6 V."
},
{
"number": "37",
"name": "VDD3",
"type": "power_in",
"description": "Battery voltage input, 1.7 to 3.6 V."
},
{
"number": "38",
"name": "RSTN",
"type": "bidirectional",
"description": "Bidirectional reset pin with weak pull-up resistor."
},
{
"number": "39",
"name": "VDD1",
"type": "power_in",
"description": "Battery voltage input, 1.7 to 3.6 V."
},
{
"number": "40",
"name": "VDDA",
"type": "power_out",
"description": "1.2 V analog ADC core supply pin."
},
{
"number": "41",
"name": "PB11",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions SPI1_SCK, SPI2_NSS, I2C1_SCL, TIM1_CH1, TIM1_CH4N, I2S2_WS; additional function wakeup."
},
{
"number": "42",
"name": "PB10",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions SPI1_NSS, SPI2_SCK, I2C1_SDA, TIM1_CH2, TIM1_CH3N, I2S2_SCK; additional function wakeup."
},
{
"number": "43",
"name": "PB9",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions USART_TX, LPUART_CTS, SPI2_MCK, TIM1_CH1N, TIM1_CH2N, I2S2_MCK; additional function wakeup."
},
{
"number": "44",
"name": "PB8",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions USART_CK, LPUART_RX, TIM1_CH4, TIM1_CH1N; additional function wakeup."
},
{
"number": "45",
"name": "PB7",
"type": "bidirectional",
"description": "5 V tolerant FT_f I/O (Fm+ capable); alternate functions I2C2_SDA, SPI2_SCK, LPUART_RX, TIM1_CH2, I2S2_SCK; additional function wakeup."
},
{
"number": "46",
"name": "PB6",
"type": "bidirectional",
"description": "5 V tolerant FT_f I/O (Fm+ capable); alternate functions I2C2_SCL, SPI2_NSS, LPUART_TX, TIM1_CH1, I2S2_WS; additional function wakeup."
},
{
"number": "47",
"name": "PB5",
"type": "bidirectional",
"description": "3.6 V tolerant TT I/O, not 5 V tolerant; alternate functions LPUART_RX, SPI2_MOSI, PDM_CLK, I2S2_SD; additional functions PGA_VBIAS_MIC and wakeup."
},
{
"number": "48",
"name": "PB4",
"type": "bidirectional",
"description": "5 V tolerant FT I/O; alternate functions LPUART_TX, SPI2_MISO, PDM_DATA, I2S2_MISO; additional functions PGA_VIN and wakeup."
},
{
"number": "EP",
"name": "GND",
"type": "power_in",
"description": "Exposed pad; ground."
}
],
"provenance": {
"extractor": "ds2sf",
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590361576147886080",
"pages": 73,
"sha256": "c3c8def9f2699f65",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "bluenrg-345mc.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "19f13525df0bc029c547236fe4408611192506a361857e53b969fe8ba5e34523",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "bluenrg-345mc-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "9c08db9a22bee3f4381ddb8aac9599269792f9e90e973e0b32dab8eb01a31c19",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}