GD32E503CCT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "gd32e503cct6",
  "title": "GD32E503CCT6",
  "brief": "GigaDevice Semicon Beijing Microcontroller Units (MCUs/MPUs/SOCs), LQFP-48(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",
    "single chip microcomputer-microcontroller",
    "gd32e503cct6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GD32E503CCT6",
    "manufacturer": "GigaDevice Semicon Beijing",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/830b9a9b1f076903c33d3ea2bd6886ba.pdf",
    "parts": {
      "symbol": "gd32e503cct6.kicad_sym",
      "footprint": "gd32e503cct6.kicad_mod",
      "model_3d": "gd32e503cct6-hero.glb",
      "model_3d_plain": "gd32e503cct6-etched.glb",
      "model_3d_step": "gd32e503cct6-etched.step",
      "model_3d_step_plain": "gd32e503cct6.step",
      "lbr": "gd32e503cct6.lbr"
    },
    "distributor_links": {
      "lcsc": "C2980746"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:41:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup battery supply pin for the RTC and backup domain."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 with alternate functions TAMPER-RTC and WKUP1."
      },
      {
        "number": "3",
        "name": "PC14-OSC32IN",
        "type": "bidirectional",
        "description": "GPIO PC14 with alternate function OSC32IN (low-speed crystal input)."
      },
      {
        "number": "4",
        "name": "PC15-OSC32OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 with alternate function OSC32OUT (low-speed crystal output)."
      },
      {
        "number": "5",
        "name": "OSCIN",
        "type": "input",
        "description": "HXTAL oscillator input (4-32 MHz crystal)."
      },
      {
        "number": "6",
        "name": "OSCOUT",
        "type": "output",
        "description": "HXTAL oscillator output (4-32 MHz crystal)."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "System reset pin, default function NRST."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply."
      },
      {
        "number": "10",
        "name": "PA0-WKUP0",
        "type": "bidirectional",
        "description": "GPIO PA0 with alternate functions WKUP0, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1 with alternate functions USART1_RTS, ADC012_IN1, TIMER4_CH1, TIMER1_CH1."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2 with alternate functions USART1_TX, TIMER4_CH2, ADC012_IN2, TIMER8_CH0, TIMER1_CH2, SPI0_IO2, WKUP3."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3 with alternate functions USART1_RX, TIMER4_CH3, ADC012_IN3, TIMER1_CH3, TIMER8_CH1, SPI0_IO3."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4 with alternate functions SPI0_NSS, USART1_CK, DAC_OUT0, ADC01_IN4; remap SPI2_NSS, I2S2_WS."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5 with alternate functions SPI0_SCK, ADC01_IN5, DAC_OUT1."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6 with alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0, TIMER12_CH0; remap TIMER0_BRKIN."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7 with alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1, TIMER13_CH0; remap TIMER0_CH0_ON."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0 with alternate functions ADC01_IN8, TIMER2_CH2; remap TIMER0_CH1_ON."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1 with alternate functions SHRTIMER_SCOUT, ADC01_IN9, TIMER2_CH3; remap TIMER0_CH2_ON."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB2, also BOOT1, with alternate function SHRTIMER_SCIN."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB10 with alternate functions SHRTIMER_FLT2, I2C1_SCL, USART2_TX; remap TIMER1_CH2."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB11 with alternate functions SHRTIMER_FLT3, I2C1_SDA, USART2_RX; remap TIMER1_CH3."
      },
      {
        "number": "23",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "24",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB12 with alternate functions SHRTIMER_ST2CH0, SPI1_NSS, I2S1_WS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN, CAN1_RX."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB13 with alternate functions SHRTIMER_ST2CH1, SPI1_SCK, I2S1_CK, USART2_CTS, TIMER0_CH0_ON, CAN1_TX, I2C1_TXFRAME."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB14 with alternate functions SHRTIMER_ST3CH0, I2S1_ADD_SD, SPI1_MISO, USART2_RTS, TIMER0_CH1_ON, TIMER11_CH0."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB15 with alternate functions SHRTIMER_ST3CH1, SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD, TIMER11_CH1, WKUP6."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA8 with alternate functions SHRTIMER_ST0CH0, I2C2_SCL, USART0_CK, TIMER0_CH0, CK_OUT, CTC_SYNC."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA9 with alternate functions SHRTIMER_ST0CH1, I2C2_SMBA, USART0_TX, TIMER0_CH1."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA10 with alternate functions SHRTIMER_ST1CH0, USART0_RX, TIMER0_CH2."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA11 with alternate functions SHRTIMER_ST1CH1, USART0_CTS, CAN0_RX, USBDM, TIMER0_CH3."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA12 with alternate functions SHRTIMER_FLT0, USART0_RTS, CAN0_TX, USBDP, TIMER0_ETI."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5V-tolerant pin, default JTMS/SWDIO, remappable to PA13."
      },
      {
        "number": "35",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "36",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5V-tolerant pin, default JTCK/SWCLK, remappable to PA14."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5V-tolerant pin, default JTDI, with alternate functions SHRTIMER_FLT1, SPI2_NSS, I2S2_WS; remap TIMER1_CH0, TIMER1_ETI, PA15, SPI0_NSS."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5V-tolerant pin, default JTDO, with alternate functions SHRTIMER_SCOUT, SHRTIMER_EXEV8, SPI2_SCK, I2S2_CK; remap TIMER1_CH1, PB3, SPI0_SCK."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5V-tolerant pin, default NJTRST, with alternate functions SHRTIMER_EXEV6, I2C2_SDA, I2S2_ADD_SD, SPI2_MISO, I2C0_TXFRAME; remap TIMER2_CH0, PB4, SPI0_MISO."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 with alternate functions SHRTIMER_EXEV5, I2C2_SCL, I2C0_SMBA, SPI2_MOSI, I2S2_SD, WKUP5; remap TIMER2_CH1, SPI0_MOSI, CAN1_RX."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB6 with alternate functions SHRTIMER_SCIN, SHRTIMER_EXEV3, I2C0_SCL, TIMER3_CH0; remap USART0_TX, CAN1_TX, SPI0_IO2."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB7 with alternate functions SHRTIMER_EXEV2, I2C0_SDA, TIMER3_CH1; remap USART0_RX, SPI0_IO3."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input, default function BOOT0."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB8 with alternate functions SHRTIMER_EXEV7, I2C2_SDA, TIMER3_CH2, TIMER9_CH0; remap I2C0_SCL, CAN0_RX."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB9 with alternate functions SHRTIMER_EXEV4, TIMER3_CH3, TIMER10_CH0; remap I2C0_SDA, CAN0_TX."
      },
      {
        "number": "47",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital power supply."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types are inferred from the datasheet's I/O/P type column (I, O, P) and KiCad classes; NRST is l"
        ],
        "pages_sent": 45,
        "cost_usd": 0.3981,
        "at": "2026-10-23T03:41:18"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/830b9a9b1f076903c33d3ea2bd6886ba.pdf",
        "pages": 104,
        "sha256": "704cbcf5528dd1b1",
        "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": "gd32e503cct6.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gd32e503cct6-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": "d6a8d754f6f933b04bdf9acebe6f2c49e71c8b190841bb5f85543695d2674c1c",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GigaDevice Semicon Beijing",
      "Package": "LQFP-48(7x7)",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "48"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "704cbcf5528dd1b110846b3484e719703ad0a09d602851c8e2426988ddb02718",
      "rows": [
        {
          "name": "External voltage range",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.63,
          "conditions": "relative to VSS (min VSS - 0.3)",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "External analog supply voltage",
          "symbol": "VDDA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.63,
          "conditions": "relative to VSSA (min VSSA - 0.3)",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "External battery supply voltage",
          "symbol": "VBAT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.63,
          "conditions": "relative to VSS (min VSS - 0.3)",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Input voltage on other I/O",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.63,
          "conditions": "min VSS - 0.3",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Variations between different VDD power pins",
          "symbol": "|ΔVDDx|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Variations between different ground pins",
          "symbol": "|VSSX −VSS|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Maximum current for GPIO pins",
          "symbol": "IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "printed ±25",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": 3.3,
          "max": 3.63,
          "conditions": "",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Analog supply voltage, fADCMAX = 35 MHz",
          "symbol": "VDDA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.4,
          "typ": 3.3,
          "max": 3.63,
          "conditions": "fADCMAX = 35 MHz",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Analog supply voltage, fADCMAX = 14 MHz",
          "symbol": "VDDA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": null,
          "max": 2.4,
          "conditions": "fADCMAX = 14 MHz",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Battery supply voltage",
          "symbol": "VBAT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": null,
          "max": 3.63,
          "conditions": "",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "AHB clock frequency",
          "symbol": "fHCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "",
          "source_page": 56,
          "source": "datasheet"
        },
        {
          "name": "APB1 clock frequency",
          "symbol": "fAPB1",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 90,
          "conditions": "",
          "source_page": 56,
          "source": "datasheet"
        },
        {
          "name": "APB2 clock frequency",
          "symbol": "fAPB2",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "",
          "source_page": 56,
          "source": "datasheet"
        },
        {
          "name": "VDD fall time rate",
          "symbol": "tVDD",
          "kind": "timing",
          "unit": "μs/ V",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "VDD fall time rate",
          "source_page": 56,
          "source": "datasheet"
        },
        {
          "name": "NRST input low level voltage",
          "symbol": "VIL(NRST)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "VDD = VDDA = 3.3 V; max printed 0.35 VDD",
          "source_page": 71,
          "source": "datasheet"
        },
        {
          "name": "NRST input high level voltage",
          "symbol": "VIH(NRST)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.65,
          "typ": null,
          "max": null,
          "conditions": "VDD = VDDA = 3.3 V; min printed 0.65 VDD",
          "source_page": 71,
          "source": "datasheet"
        },
        {
          "name": "Standard IO low level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "1.71 V ≤ VDD = VDDA ≤ 3.63 V; printed 0.35 VDD",
          "source_page": 72,
          "source": "datasheet"
        },
        {
          "name": "Standard IO input high voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.65,
          "typ": null,
          "max": null,
          "conditions": "1.71 V ≤ VDD = VDDA ≤ 3.63 V; printed 0.65 VDD",
          "source_page": 72,
          "source": "datasheet"
        },
        {
          "name": "Low level output voltage (IIO = +8 mA)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.12,
          "conditions": "VDD = 3.3 V",
          "source_page": 72,
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