component
GD32C103TBU6
Public Made by Adomby adom
GigaDevice Semicon Beijing Pre-ordered Chips, QFN-36-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "gd32c103tbu6",
"title": "GD32C103TBU6",
"brief": "GigaDevice Semicon Beijing Pre-ordered Chips, QFN-36-EP(6x6). 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",
"interface ics",
"gd32c103tbu6",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "GD32C103TBU6",
"manufacturer": "GigaDevice Semicon Beijing",
"package": "QFN-36-EP(6x6)",
"pin_count": 37,
"category": "Interface ICs",
"subcategory": "Pre-ordered Chips",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bbdd9ec56770da15fa028f4021ae92af.pdf",
"parts": {
"symbol": "gd32c103tbu6.kicad_sym",
"footprint": "gd32c103tbu6.kicad_mod",
"model_3d": "gd32c103tbu6-hero.glb",
"model_3d_plain": "gd32c103tbu6-etched.glb",
"model_3d_step": "gd32c103tbu6-etched.step",
"model_3d_step_plain": "gd32c103tbu6.step",
"lbr": "gd32c103tbu6.lbr"
},
"distributor_links": {
"lcsc": "C2858915"
},
"distributor_check": {
"checked_at": "2026-10-22T21:50:35Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VDD_3",
"type": "power_in",
"description": "Digital power supply pin VDD_3."
},
{
"number": "2",
"name": "PD0-OSCIN",
"type": "input",
"description": "Default function OSCIN (HXTAL oscillator input), remappable to PD0, which cannot be used for EXTI in this package."
},
{
"number": "3",
"name": "PD1-OSCOUT",
"type": "output",
"description": "Default function OSCOUT (HXTAL oscillator output), remappable to PD1, which cannot be used for EXTI in this package."
},
{
"number": "4",
"name": "NRST",
"type": "bidirectional",
"description": "External reset pin, default function NRST."
},
{
"number": "5",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground pin VSSA."
},
{
"number": "6",
"name": "VDDA",
"type": "power_in",
"description": "Analog power supply pin VDDA, to which VREFP is internally connected in this package."
},
{
"number": "7",
"name": "PA0-WKUP",
"type": "bidirectional",
"description": "GPIO PA0 with alternates WKUP, USART1_CTS, ADC01_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0."
},
{
"number": "8",
"name": "PA1",
"type": "bidirectional",
"description": "GPIO PA1 with alternates USART1_RTS, ADC01_IN1, TIMER4_CH1, TIMER1_CH1."
},
{
"number": "9",
"name": "PA2",
"type": "bidirectional",
"description": "GPIO PA2 with alternates USART1_TX, TIMER4_CH2, ADC01_IN2, TIMER1_CH2, SPI0_IO2."
},
{
"number": "10",
"name": "PA3",
"type": "bidirectional",
"description": "GPIO PA3 with alternates USART1_RX, TIMER4_CH3, ADC01_IN3, TIMER1_CH3, SPI0_IO3."
},
{
"number": "11",
"name": "PA4",
"type": "bidirectional",
"description": "GPIO PA4 with alternates SPI0_NSS, USART1_CK, DAC0_OUT0, ADC01_IN4."
},
{
"number": "12",
"name": "PA5",
"type": "bidirectional",
"description": "GPIO PA5 with alternates SPI0_SCK, ADC01_IN5, DAC0_OUT1."
},
{
"number": "13",
"name": "PA6",
"type": "bidirectional",
"description": "GPIO PA6 with alternates SPI0_MISO, ADC01_IN6, TIMER2_CH0 and remap TIMER0_BRKIN."
},
{
"number": "14",
"name": "PA7",
"type": "bidirectional",
"description": "GPIO PA7 with alternates SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and remap TIMER0_CH0_ON."
},
{
"number": "15",
"name": "PB0",
"type": "bidirectional",
"description": "GPIO PB0 with alternates ADC01_IN8, TIMER2_CH2 and remap TIMER0_CH1_ON."
},
{
"number": "16",
"name": "PB1",
"type": "bidirectional",
"description": "GPIO PB1 with alternates ADC01_IN9, TIMER2_CH3 and remap TIMER0_CH2_ON."
},
{
"number": "17",
"name": "PB2",
"type": "bidirectional",
"description": "5V-tolerant GPIO PB2, default function PB2/BOOT1."
},
{
"number": "18",
"name": "VSS_1",
"type": "power_in",
"description": "Digital ground pin VSS_1."
},
{
"number": "19",
"name": "VDD_1",
"type": "power_in",
"description": "Digital power supply pin VDD_1."
},
{
"number": "20",
"name": "PA8",
"type": "bidirectional",
"description": "5V-tolerant GPIO PA8 with alternates USART0_CK, TIMER0_CH0, CK_OUT0, USBFS_SOF, CTC_SYNC."
},
{
"number": "21",
"name": "PA9",
"type": "bidirectional",
"description": "5V-tolerant GPIO PA9 with alternates USART0_TX, TIMER0_CH1, USBFS_VBUS."
},
{
"number": "22",
"name": "PA10",
"type": "bidirectional",
"description": "5V-tolerant GPIO PA10 with alternates USART0_RX, TIMER0_CH2, USBFS_ID."
},
{
"number": "23",
"name": "PA11",
"type": "bidirectional",
"description": "5V-tolerant GPIO PA11 with alternates USART0_CTS, CAN0_RX, USBFS_DM, TIMER0_CH3."
},
{
"number": "24",
"name": "PA12",
"type": "bidirectional",
"description": "5V-tolerant GPIO PA12 with alternates USART0_RTS, CAN0_TX, USBFS_DP, TIMER0_ETI."
},
{
"number": "25",
"name": "PA13",
"type": "bidirectional",
"description": "5V-tolerant pin whose default function is JTMS/SWDIO, remappable to PA13."
},
{
"number": "26",
"name": "VSS_2",
"type": "power_in",
"description": "Digital ground pin VSS_2."
},
{
"number": "27",
"name": "VDD_2",
"type": "power_in",
"description": "Digital power supply pin VDD_2."
},
{
"number": "28",
"name": "PA14",
"type": "bidirectional",
"description": "5V-tolerant pin whose default function is JTCK/SWCLK, remappable to PA14."
},
{
"number": "29",
"name": "PA15",
"type": "bidirectional",
"description": "5V-tolerant pin whose default function is JTDI, with remaps TIMER1_CH0, TIMER1_ETI, PA15, SPI0_NSS."
},
{
"number": "30",
"name": "PB3",
"type": "bidirectional",
"description": "5V-tolerant pin whose default function is JTDO, with remaps TIMER1_CH1, PB3, SPI0_SCK."
},
{
"number": "31",
"name": "PB4",
"type": "bidirectional",
"description": "5V-tolerant pin whose default function is NJTRST, with alternate I2C0_TXFRAME and remaps TIMER2_CH0, PB4, SPI0_MISO."
},
{
"number": "32",
"name": "PB5",
"type": "bidirectional",
"description": "GPIO PB5 (not 5V tolerant) with alternate I2C0_SMBA and remaps TIMER2_CH1, SPI0_MOSI, CAN1_RX."
},
{
"number": "33",
"name": "PB6",
"type": "bidirectional",
"description": "5V-tolerant GPIO PB6 with alternates I2C0_SCL, TIMER3_CH0 and remaps USART0_TX, CAN1_TX, SPI0_IO2."
},
{
"number": "34",
"name": "PB7",
"type": "bidirectional",
"description": "5V-tolerant GPIO PB7 with alternates I2C0_SDA, TIMER3_CH1 and remaps USART0_RX, SPI0_IO3."
},
{
"number": "35",
"name": "BOOT0",
"type": "input",
"description": "Boot mode selection input, default function BOOT0."
},
{
"number": "36",
"name": "VSS_3",
"type": "power_in",
"description": "Digital ground pin VSS_3."
},
{
"number": "37",
"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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The QFN36 package outline shows an exposed thermal pad zone (D2/E2 3.90 mm typ), but the pin table (; Table 2-7 lists VDD_3 as pin 1 at the end of the table, out of order. This matches the Figure 2-6 nu; The datasheet does not give pin descriptions for power pins beyond 'Default: <name>'. Descriptions f"
],
"pages_sent": 50,
"cost_usd": 0.3694,
"at": "2026-10-22T21:50:21"
},
"datasheet": {
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"pages": 99,
"sha256": "bd4df4decb53d015",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 37,
"described": 37,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "gd32c103tbu6-etched.step",
"role": "eda",
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"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"footprint_binding": "identity",
"sha256": "091d6acd116be755d233bc7b0fd4b5a8c0aea525789138de7a66792acf9d120c",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "GigaDevice Semicon Beijing",
"Package": "QFN-36-EP(6x6)",
"Category": "Interface ICs",
"Pins": "37"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "bd4df4decb53d015efead52624ef47b8be5725504769b0187440bc4510a61609",
"rows": [
{
"name": "External voltage range",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 3.6,
"conditions": "VSS - 0.3 to VSS + 3.6",
"source_page": 51,
"source": "datasheet"
},
{
"name": "External analog supply voltage",
"symbol": "VDDA",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 3.6,
"conditions": "VSSA - 0.3 to VSSA + 3.6",
"source_page": 51,
"source": "datasheet"
},
{
"name": "External battery supply voltage",
"symbol": "VBAT",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 3.6,
"conditions": "VSS - 0.3 to VSS + 3.6",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Input voltage on other I/O",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 3.6,
"conditions": "VSS - 0.3 min",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Maximum current for GPIO pins",
"symbol": "IIO",
"kind": "absolute_maximum",
"unit": "mA",
"min": -25,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Power dissipation QFN36",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 1086,
"conditions": "TA = 85°C of QFN36",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 51,
"source": "datasheet"
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{
"name": "Maximum junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.71,
"typ": 3.3,
"max": 3.6,
"conditions": "",
"source_page": 52,
"source": "datasheet"
},
{
"name": "Analog supply voltage, ADC not used",
"symbol": "VDDA",
"kind": "recommended_operating",
"unit": "V",
"min": 1.71,
"typ": 3.3,
"max": 3.6,
"conditions": "ADC not used",
"source_page": 52,
"source": "datasheet"
},
{
"name": "Analog supply voltage, ADC used",
"symbol": "VDDA",
"kind": "recommended_operating",
"unit": "V",
"min": 2.4,
"typ": 3.3,
"max": 3.6,
"conditions": "ADC used",
"source_page": 52,
"source": "datasheet"
},
{
"name": "Battery supply voltage",
"symbol": "VBAT",
"kind": "recommended_operating",
"unit": "V",
"min": 1.71,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 52,
"source": "datasheet"
},
{
"name": "AHB clock frequency",
"symbol": "fHCLK",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 120,
"conditions": "",
"source_page": 52,
"source": "datasheet"
},
{
"name": "APB1 clock frequency",
"symbol": "fAPB1",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 60,
"conditions": "",
"source_page": 52,
"source": "datasheet"
},
{
"name": "APB2 clock frequency",
"symbol": "fAPB2",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 120,
"conditions": "",
"source_page": 52,
"source": "datasheet"
},
{
"name": "Supply current (Run mode)",
"symbol": "IDD+IDDA",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 28.1,
"max": null,
"conditions": "VDD = VDDA = 3.3 V, HXTAL = 25 MHz, System clock=120 MHz, All peripherals enabled",
"source_page": 53,
"source": "datasheet"
},
{
"name": "Supply current (Run mode)",
"symbol": "IDD+IDDA",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 16,
"max": null,
"conditions": "VDD = VDDA = 3.3 V, HXTAL = 25 MHz, System clock = 120 MHz, All peripherals disabled",
"source_page": 53,
"source": "datasheet"
},
{
"name": "VDD fall time rate",
"symbol": "tVDD",
"kind": "timing",
"unit": "μs/V",
"min": 20,
"typ": null,
"max": null,
"conditions": "",
"source_page": 53,
"source": "datasheet"
},
{
"name": "Power on reset threshold",
"symbol": "VPOR",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.67,
"max": null,
"conditions": "",
"source_page": 62,
"source": "datasheet"
},
{
"name": "Power down reset threshold",
"symbol": "VPDR",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.62,
"max": null,
"conditions": "",
"source_page": 62,
"source": "datasheet"
},
{
"name": "ESD voltage (HBM)",
"symbol": "VESD(HBM)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 5000,
"conditions": "TA = 25 °C; JS-001-2014",
"source_page": 62,
"source": "datasheet"
},
{
"name": "ESD voltage (CDM)",
"symbol": "VESD(CDM)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 800,
"conditions": "TA = 25 °C; JS-002-2014",
"source_page": 62,
"source": "datasheet"
},
{
"name": "Latch-up I-test",
"symbol": "LU",
"kind": "electrical",
"unit": "mA",
"min": -200,
"typ": null,
"max": 200,
"conditions": "TA = 25 °C; JESD78",
"source_page": 63,
"source": "datasheet"
},
{
"name": "Crystal or ceramic frequency",
"symbol": "fHXTAL",
"kind": "electrical",
"unit": "MHz",
"min": 4,
"typ": 8,
"max": 32,
"conditions": "1.71 ≤ VDD ≤ 3.6 V",
"source_page": 63,
"source": "datasheet"
},
{
"name": "IRC8M accuracy, factory-trimmed",
"symbol": "ACCIRC8M",
"kind": "tolerance",
"unit": "%",
"min": -2.5,
"typ": null,
"max": 2.5,
"conditions": "VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C",
"source_page": 65,
"source": "datasheet"
},
{
"name": "IRC8M accuracy, factory-trimmed",
"symbol": "ACCIRC8M",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "VDD = VDDA = 3.3 V, TA = 25 °C",
"source_page": 65,
"source": "datasheet"
},
{
"name": "IRC40K frequency",
"symbol": "fIRC40K",
"kind": "electrical",
"unit": "kHz",
"min": 28,
"typ": 40,
"max": 60,
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