component
AT32F423CBT7
Public Made by Adomby adom
ARTERY(雅特力) Microcontrollers (MCU/MPU/SOC), LQFP48. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "at32f423cbt7",
"title": "AT32F423CBT7",
"brief": "ARTERY(雅特力) Microcontrollers (MCU/MPU/SOC), LQFP48. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"embedded processors & controllers",
"at32f423cbt7",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AT32F423CBT7",
"manufacturer": "ARTERY(雅特力)",
"package": "LQFP48",
"pin_count": 48,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756343712567963648",
"parts": {
"symbol": "at32f423cbt7.kicad_sym",
"footprint": "at32f423cbt7.kicad_mod",
"model_3d": "at32f423cbt7-hero.glb",
"model_3d_plain": "at32f423cbt7-etched.glb",
"model_3d_step": "at32f423cbt7-etched.step",
"model_3d_step_plain": "at32f423cbt7.step",
"lbr": "at32f423cbt7.lbr"
},
"distributor_links": {
"lcsc": "C6705024"
},
"distributor_check": {
"checked_at": "2026-10-20T11:37:30Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply, 2.4 V to 3.6 V (VDD is the supply for GPIO, ERTC, LEXT, BPR and LDO; VDDA must be at the same potential as VDD)."
},
{
"number": "2",
"name": "PC13",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) supplied through a power switch that can source only 3 mA, so it must not be used as a current source such as an LED driver; also ERTC_OUT, TAMP1 and WKUP2, with usage limits given in the errata."
},
{
"number": "3",
"name": "PC14",
"type": "bidirectional",
"description": "Standard-level GPIO (TC, not 5 V-tolerant) supplied through the same 3 mA-limited power switch as PC13, with LEXT_IN as its additional function."
},
{
"number": "4",
"name": "PC15",
"type": "bidirectional",
"description": "Standard-level GPIO (TC, not 5 V-tolerant) supplied through the same 3 mA-limited power switch as PC13, with LEXT_OUT as its additional function."
},
{
"number": "5",
"name": "PF0",
"type": "bidirectional",
"description": "Standard-level GPIO (TC) whose additional function is the HEXT crystal input HEXT_IN; alternate functions include TMR1_CH1 and I2C1_SDA."
},
{
"number": "6",
"name": "PF1",
"type": "bidirectional",
"description": "Standard-level GPIO (TC) whose additional function is the HEXT crystal output HEXT_OUT; alternate functions include TMR1_CH2C, I2C1_SCL, SPI2_CS and I2S2_WS."
},
{
"number": "7",
"name": "NRST",
"type": "bidirectional",
"description": "Active-low device reset input and internal reset output with a built-in weak pull-up (RPU typ. 40 kΩ), with VIL max 0.8 V and VIH min 2 V."
},
{
"number": "8",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground for the ADC and DAC, which must be at the same potential as VSS."
},
{
"number": "9",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply for the ADC and DAC, which must be equal to VDD (2.4 V to 3.6 V)."
},
{
"number": "10",
"name": "PA0",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): when in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN0 (fast channel), WKUP1 and TAMP2, plus TMR2_CH1 and USART2_RX/CTS."
},
{
"number": "11",
"name": "PA1",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN1 (fast channel), TMR2_CH2, I2C2_SDA and SPI3_CS."
},
{
"number": "12",
"name": "PA2",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN2, TMR2_CH3, USART2_TX and CAN2_RX."
},
{
"number": "13",
"name": "PA3",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN3, TMR2_CH4, I2S2_MCK, USART2_RX and CAN2_TX."
},
{
"number": "14",
"name": "PA4",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN4 and DAC1_OUT, with SPI1_CS, USART2_CK and OTGFS1_OE as alternate functions."
},
{
"number": "15",
"name": "PA5",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN5 and DAC2_OUT, with SPI1_SCK, I2S1_CK and USART3_CK as alternate functions."
},
{
"number": "16",
"name": "PA6",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN6, with TMR1_BRK, TMR3_CH1, SPI1_MISO and USART3_CTS as alternate functions."
},
{
"number": "17",
"name": "PA7",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN7, with TMR1_CH1C, TMR3_CH2, SPI1_MOSI and USART3_TX as alternate functions."
},
{
"number": "18",
"name": "PB0",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN8, with TMR1_CH2C, TMR3_CH3, SPI1_MISO and USART2_RX as alternate functions."
},
{
"number": "19",
"name": "PB1",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN9, with TMR1_CH3C, TMR3_CH4, SPI1_MOSI and USART3_RTS_DE as alternate functions."
},
{
"number": "20",
"name": "PB2",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN20, with TMR2_CH4, TMR3_EXT, I2C3_SMBA and SPI3_MOSI as alternate functions."
},
{
"number": "21",
"name": "PB10",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN21, with TMR2_CH3, I2C2_SCL, SPI2_SCK, USART3_TX and XMC_NOE as alternate functions."
},
{
"number": "22",
"name": "PB11",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN22, with TMR2_CH4, I2C2_SDA, USART3_RX and TMR13_BRK as alternate functions."
},
{
"number": "23",
"name": "PF8",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) with TMR2_CH2, I2C2_SDA and USART7_TX as alternate functions."
},
{
"number": "24",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply, 2.4 V to 3.6 V."
},
{
"number": "25",
"name": "PB12",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN23, with TMR1_BRK, SPI2_CS, USART3_CK and CAN2_RX as alternate functions."
},
{
"number": "26",
"name": "PB13",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN24, with CLKOUT, TMR1_CH1C, SPI2_SCK, USART3_CTS and CAN2_TX as alternate functions."
},
{
"number": "27",
"name": "PB14",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN25, with TMR1_CH2C, SPI2_MISO, USART3_RTS_DE and XMC_D0 as alternate functions."
},
{
"number": "28",
"name": "PB15",
"type": "bidirectional",
"description": "5 V-tolerant GPIO with analog function (FTa): in analog mode the input must stay below VDD + 0.3 V; also ADC1_IN26 and WKUP7, with ERTC_REFIN, TMR1_CH3C, SPI2_MOSI and TMR12_CH2 as alternate functions."
},
{
"number": "29",
"name": "PA8",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) with CLKOUT, TMR1_CH1, USART1_CK, USART2_TX and OTGFS1_SOF as alternate functions."
},
{
"number": "30",
"name": "PA9",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) with CLKOUT, TMR1_CH2, USART1_TX, I2C1_SCL and OTGFS1_VBUS as alternate functions."
},
{
"number": "31",
"name": "PA10",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) with ERTC_REFIN, TMR1_CH3, USART1_RX, I2C1_SDA and OTGFS1_ID as alternate functions."
},
{
"number": "32",
"name": "PA11",
"type": "bidirectional",
"description": "Standard-level GPIO (TC, not 5 V-tolerant) with TMR1_CH4, USART1_CTS, CAN1_RX and OTGFS1_D- as its functions."
},
{
"number": "33",
"name": "PA12",
"type": "bidirectional",
"description": "Standard-level GPIO (TC, not 5 V-tolerant) with TMR1_EXT, USART1_RTS_DE, CAN1_TX and OTGFS1_D+ as its functions."
},
{
"number": "34",
"name": "PA13",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) that is shared with the SWDIO/JTMS debug function; also IR_OUT, I2C1_SDA and OTGFS1_OE."
},
{
"number": "35",
"name": "PF6",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) with TMR2_CH1, I2C2_SCL and USART7_RX as alternate functions."
},
{
"number": "36",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply, 2.4 V to 3.6 V."
},
{
"number": "37",
"name": "PA14",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) that is shared with the SWCLK/JTCK debug function; also I2C1_SMBA, SPI3_MOSI, I2S3_SD and USART2_TX."
},
{
"number": "38",
"name": "PA15",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) that is shared with the JTDI debug function; also TMR2_CH1, TMR2_EXT, SPI1_CS, USART1_TX and XMC_NE2."
},
{
"number": "39",
"name": "PB3",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) that is shared with the JTDO/SWO debug function; also TMR2_CH2, SPI1_SCK, USART1_RX and USART5_TX."
},
{
"number": "40",
"name": "PB4",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) that is shared with the NJTRST debug function; also TMR3_CH1, TMR11_BRK, SPI1_MISO and USART1_CTS."
},
{
"number": "41",
"name": "PB5",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) with TMR3_CH2, TMR10_BRK, I2C3_SMBA, SPI1_MOSI, USART1_CK and CAN2_RX as alternate functions, and WKUP6 as additional function."
},
{
"number": "42",
"name": "PB6",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) with TMR4_CH1, TMR10_CH1C, I2C1_SCL, I2S1_MCK, USART1_TX and CAN2_TX as alternate functions."
},
{
"number": "43",
"name": "PB7",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) with TMR4_CH2, TMR11_CH1C, I2C1_SDA, SPI3_SCK, USART1_RX and XMC_NADV as alternate functions."
},
{
"number": "44",
"name": "BOOT0",
"type": "input",
"description": "Dedicated boot mode selection pin 0 with a built-in weak pull-down that cannot be disabled."
},
{
"number": "45",
"name": "PB8",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) with TMR2_CH1, TMR2_EXT, TMR4_CH3, TMR10_CH1, I2C1_SCL, USART1_TX and CAN1_RX as alternate functions."
},
{
"number": "46",
"name": "PB9",
"type": "bidirectional",
"description": "5 V-tolerant GPIO (FT) with IR_OUT, TMR2_CH2, TMR4_CH4, TMR11_CH1, I2C1_SDA, SPI2_CS, USART5_TX and CAN1_TX as alternate functions."
},
{
"number": "47",
"name": "VSS",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "48",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply, 2.4 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-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: In the Table 6 pin-definition row for VDD (page 31), four pin numbers are printed for five package c; PC13/PC14/PC15 are powered through a power switch limited to 3 mA (footnote 4) and PC13 functions ca; Part number AT32F423CBT7 is in the 128 KB flash group of Table 1 and the LQFP48 7x7 mm package is li"
],
"pages_sent": 75,
"cost_usd": 0.2853,
"at": "2026-10-20T11:37:05"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756343712567963648",
"pages": 89,
"sha256": "6d4a423ff66fe757",
"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"
},
"models_3d": [
{
"file": "at32f423cbt7.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "at32f423cbt7-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3f4fd14ca06117f48478d55338d6b3618c543124833ea4918ad2ac7e6afc9e68",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "ARTERY(雅特力)",
"Package": "LQFP48",
"Category": "Embedded Processors & Controllers",
"Pins": "48"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "6d4a423ff66fe757a2ec19c85a1cbf145d10bb7662ed940298615cfa8aecb269",
"rows": [
{
"name": "External main supply voltage VDDx-VSS",
"symbol": "VDDx-VSS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 35,
"source": "datasheet"
},
{
"name": "Input voltage on FTa pin, input floating / pull-up / pull-down mode",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "FTa pin set to input floating, input pull-up or input pull-down mode; min printed as VSS-0.3",
"source_page": 35,
"source": "datasheet"
},
{
"name": "Input voltage on TC pin",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "min printed as VSS-0.3",
"source_page": 35,
"source": "datasheet"
},
{
"name": "Voltage difference between different VDD supply pins",
"symbol": "|ΔVDDx|",
"kind": "absolute_maximum",
"unit": "mV",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 35,
"source": "datasheet"
},
{
"name": "Voltage difference between different VSS ground pins",
"symbol": "|VSSx-VSS|",
"kind": "absolute_maximum",
"unit": "mV",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 35,
"source": "datasheet"
},
{
"name": "Total current through VDD supply line (inflow)",
"symbol": "IVDD",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 35,
"source": "datasheet"
},
{
"name": "Total current through VSS ground line (outflow)",
"symbol": "IVSS",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 35,
"source": "datasheet"
},
{
"name": "Output sink current on any GPIO and control pin",
"symbol": "IIO",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 35,
"source": "datasheet"
},
{
"name": "Output source current on any GPIO and control pin",
"symbol": "IIO",
"kind": "absolute_maximum",
"unit": "mA",
"min": -25,
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