component
NUC131SD2AE
Public Made by Adomby adom
Nuvoton Tech Microcontrollers (MCU/MPU/SOC), LQFP-64(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "nuc131sd2ae",
"title": "NUC131SD2AE",
"brief": "Nuvoton Tech Microcontrollers (MCU/MPU/SOC), LQFP-64(7x7). 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",
"nuc131sd2ae",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "NUC131SD2AE",
"manufacturer": "Nuvoton Tech",
"package": "LQFP-64(7x7)",
"pin_count": 64,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590910714548592640",
"parts": {
"symbol": "nuc131sd2ae.kicad_sym",
"footprint": "nuc131sd2ae.kicad_mod",
"model_3d": "nuc131sd2ae-hero.glb",
"model_3d_plain": "nuc131sd2ae-etched.glb",
"model_3d_step": "nuc131sd2ae-etched.step",
"model_3d_step_plain": "nuc131sd2ae.step",
"lbr": "nuc131sd2ae.lbr"
},
"distributor_links": {
"lcsc": "C6943122"
},
"distributor_check": {
"checked_at": "2026-10-18T22:04:04Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "PB.14",
"type": "bidirectional",
"description": "General purpose digital I/O pin, also external interrupt 0 input (INT0)."
},
{
"number": "2",
"name": "PB.13",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "3",
"name": "PB.12",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are CLKO frequency divider clock output and BPWM1_CH3 output/capture input."
},
{
"number": "4",
"name": "PF.5",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are I2C0_SCL clock and PWM1_CH5 output/capture input."
},
{
"number": "5",
"name": "PF.4",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are I2C0_SDA data and PWM1_CH4 output/capture input."
},
{
"number": "6",
"name": "PA.11",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are I2C1_SCL clock and PWM1_CH3 output/capture input."
},
{
"number": "7",
"name": "PA.10",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are I2C1_SDA data and PWM1_CH2 output/capture input."
},
{
"number": "8",
"name": "PA.9",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are I2C0_SCL clock and UART1_nCTS clear-to-send input."
},
{
"number": "9",
"name": "PA.8",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are I2C0_SDA data and UART1_nRTS request-to-send output."
},
{
"number": "10",
"name": "PB.4",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is UART1_RXD data receiver input."
},
{
"number": "11",
"name": "PB.5",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is UART1_TXD data transmitter output."
},
{
"number": "12",
"name": "PB.6",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is UART1_nRTS request-to-send output."
},
{
"number": "13",
"name": "PB.7",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is UART1_nCTS clear-to-send input."
},
{
"number": "14",
"name": "LDO_CAP",
"type": "power_out",
"description": "LDO output pin for the internal 1.8 V LDO shown in the block diagram."
},
{
"number": "15",
"name": "VDD",
"type": "power_in",
"description": "Power supply for I/O ports and LDO source for internal PLL and digital circuit."
},
{
"number": "16",
"name": "VSS",
"type": "power_in",
"description": "Ground pin for digital circuit."
},
{
"number": "17",
"name": "PB.0",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is UART0_RXD data receiver input."
},
{
"number": "18",
"name": "PB.1",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is UART0_TXD data transmitter output."
},
{
"number": "19",
"name": "PB.2",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are UART0_nRTS output, TM2_EXT capture input, TM2 toggle output and PWM1_BRAKE1 brake input."
},
{
"number": "20",
"name": "PB.3",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are UART0_nCTS input, TM3_EXT capture input, TM3 toggle output and PWM1_BRAKE0 brake input."
},
{
"number": "21",
"name": "PD.6",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are CAN0_RXD receiver input and BPWM1_CH1 output/capture input."
},
{
"number": "22",
"name": "PD.7",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are CAN0_TXD transmitter output and BPWM1_CH0 output/capture input."
},
{
"number": "23",
"name": "PD.14",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are UART2_RXD receiver input and BPWM0_CH5 output/capture input."
},
{
"number": "24",
"name": "PD.15",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are UART2_TXD transmitter output and BPWM0_CH4 input/capture input."
},
{
"number": "25",
"name": "PC.3",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are SPI0_MOSI0 master-out/slave-in and BPWM0_CH3 output/capture."
},
{
"number": "26",
"name": "PC.2",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are SPI0_MISO0 master-in/slave-out and BPWM0_CH2 input/capture."
},
{
"number": "27",
"name": "PC.1",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are SPI0_CLK serial clock and BPWM0_CH1 input/capture."
},
{
"number": "28",
"name": "PC.0",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are SPI0_SS0 slave select and BPWM0_CH0 input/capture."
},
{
"number": "29",
"name": "PE.5",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are PWM0_CH5 output/capture, TM1_EXT capture input and TM1 toggle output."
},
{
"number": "30",
"name": "PB.11",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are TM3 event counter input/toggle output and PWM0_CH4 output/capture."
},
{
"number": "31",
"name": "PB.10",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is TM2 event counter input/toggle output."
},
{
"number": "32",
"name": "PB.9",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is TM1 event counter input/toggle output."
},
{
"number": "33",
"name": "PC.11",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is PWM1_BRAKE1 brake input."
},
{
"number": "34",
"name": "PC.10",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is PWM1_BRAKE0 brake input."
},
{
"number": "35",
"name": "PC.9",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is PWM0_BRAKE1 brake input."
},
{
"number": "36",
"name": "PC.8",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is PWM0_BRAKE0 brake input."
},
{
"number": "37",
"name": "PA.15",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is PWM0_CH3 output/capture input."
},
{
"number": "38",
"name": "PA.14",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is PWM0_CH2 output/capture input."
},
{
"number": "39",
"name": "PA.13",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are PWM0_CH1 output/capture input and UART5_TXD transmitter output."
},
{
"number": "40",
"name": "PA.12",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are PWM0_CH0 output/capture input and UART5_RXD receiver input."
},
{
"number": "41",
"name": "PF.7",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is ICE_DAT serial wire debugger data."
},
{
"number": "42",
"name": "PF.6",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is ICE_CLK serial wire debugger clock input."
},
{
"number": "43",
"name": "AVSS",
"type": "power_in",
"description": "Ground pin for analog circuit."
},
{
"number": "44",
"name": "PA.0",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are ADC_CH0 analog input, PWM0_CH4 output/capture, I2C1_SCL clock and UART5_TXD transmitter output."
},
{
"number": "45",
"name": "PA.1",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are ADC_CH1 analog input, PWM0_CH5 output/capture, I2C1_SDA data and UART5_RXD receiver input."
},
{
"number": "46",
"name": "PA.2",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are ADC_CH2 analog input, PWM1_CH0 output/capture and UART3_TXD transmitter output."
},
{
"number": "47",
"name": "PA.3",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are ADC_CH3 analog input, PWM1_CH1 output/capture and UART3_RXD receiver input."
},
{
"number": "48",
"name": "PA.4",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is ADC_CH4 analog input."
},
{
"number": "49",
"name": "PA.5",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are ADC_CH5 analog input and UART3_RXD receiver input."
},
{
"number": "50",
"name": "PA.6",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are ADC_CH6 analog input and UART3_TXD transmitter output."
},
{
"number": "51",
"name": "PA.7",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are ADC_CH7 analog input and VREF voltage reference input for the ADC."
},
{
"number": "52",
"name": "AVDD",
"type": "power_in",
"description": "Power supply for internal analog circuit."
},
{
"number": "53",
"name": "PC.7",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are UART4_RXD receiver input, I2C0_SCL clock and PWM0_BRAKE1 brake input."
},
{
"number": "54",
"name": "PC.6",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are UART4_TXD transmitter output, I2C0_SDA data and PWM0_BRAKE0 brake input."
},
{
"number": "55",
"name": "PC.15",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "56",
"name": "PC.14",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "57",
"name": "PB.15",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are INT1 external interrupt 1 input, TM0_EXT capture input, TM0 toggle output and BPWM1_CH5 output/capture."
},
{
"number": "58",
"name": "PF.0",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is XT1_OUT output for the external 4~24 MHz (high speed) crystal."
},
{
"number": "59",
"name": "PF.1",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate function is XT1_IN input for the external 4~24 MHz (high speed) crystal."
},
{
"number": "60",
"name": "nRESET",
"type": "input",
"description": "External reset input, active LOW with an internal pull-up; driving it low resets the chip to its initial state."
},
{
"number": "61",
"name": "VSS",
"type": "power_in",
"description": "Ground pin for digital circuit."
},
{
"number": "62",
"name": "VDD",
"type": "power_in",
"description": "Power supply for I/O ports and LDO source for internal PLL and digital circuit."
},
{
"number": "63",
"name": "PF.8",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are CLKO frequency divider clock output and BPWM1_CH4 output/capture input."
},
{
"number": "64",
"name": "PB.8",
"type": "bidirectional",
"description": "General purpose digital I/O pin; alternate functions are STADC ADC external trigger input, TM0 event counter/toggle, CLKO output and BPWM1_CH2 output/capture."
}
],
"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: Only pages 1-22 of the 75-page datasheet were supplied. The electrical characteristics (absolute max; The LQFP-64 pinout is taken from the pin description table on pages 16-21 (pin numbers 1-64, each ro; Pin types are assumptions from KiCad classes. All multi-function GPIO pins are typed bidirectional, "
],
"pages_sent": 16,
"cost_usd": 0.1225,
"at": "2026-10-18T22:02:20"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590910714548592640",
"pages": 75,
"sha256": "c2666ff0fac3cf48",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 64,
"described": 64,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "nuc131sd2ae.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.8,
9.8,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f91f2eca5f19e096f53f34ee39566d329c86d3b33cb6e5711eb08566f38cd8ed",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "nuc131sd2ae-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.8,
9.8,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dfe3f4912f6ce1641010266b23d95e9413421ebd2c095725b4bcf2471e7b73f6",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Nuvoton Tech",
"Package": "LQFP-64(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "64"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "c2666ff0fac3cf489dff7779ae204a6907f2676e69ae09b1fc5e8357c5b7b63a",
"rows": [
{
"name": "DC Power Supply",
"symbol": "VDD-VSS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 55,
"source": "datasheet"
},
{
"name": "Input Voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.3,
"conditions": "Printed as VSS-0.3 (min) and VDD+0.3 (max); numeric offsets relative to VSS and VDD",
"source_page": 55,
"source": "datasheet"
},
{
"name": "Oscillator Frequency",
"symbol": "1/tCLCL",
"kind": "absolute_maximum",
"unit": "MHz",
"min": 4,
"typ": null,
"max": 24,
"conditions": "",
"source_page": 55,
"source": "datasheet"
},
{
"name": "Operating Temperature",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "C",
"min": -40,
"typ": null,
"max": 105,
"conditions": "",
"source_page": 55,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "TST",
"kind": "absolute_maximum",
"unit": "C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 55,
"source": "datasheet"
},
{
"name": "Maximum Current into VDD",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 120,
"conditions": "",
"source_page": 55,
"source": "datasheet"
},
{
"name": "Maximum Current out of VSS",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 120,
"conditions": "",
"source_page": 55,
"source": "datasheet"
},
{
"name": "Maximum Current sunk by a I/O pin",
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