component
GD32F305RET6
Public Made by Adomby adom
GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "gd32f305ret6",
"title": "GD32F305RET6",
"brief": "GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). 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",
"gd32f305ret6",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "GD32F305RET6",
"manufacturer": "GigaDevice Semicon Beijing",
"package": "LQFP-64(10x10)",
"pin_count": 64,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588954776218849281",
"parts": {
"symbol": "gd32f305ret6.kicad_sym",
"footprint": "gd32f305ret6.kicad_mod",
"model_3d": "gd32f305ret6-hero.glb",
"model_3d_plain": "gd32f305ret6-etched.glb",
"model_3d_step": "gd32f305ret6-etched.step",
"model_3d_step_plain": "gd32f305ret6.step",
"lbr": "gd32f305ret6.lbr"
},
"distributor_links": {
"lcsc": "C2938694"
},
"distributor_check": {
"checked_at": "2026-10-18T01:41:28Z",
"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": "Default function VBAT, the backup-domain power supply pin with no alternate function listed."
},
{
"number": "2",
"name": "PC13-TAMPER-RTC",
"type": "bidirectional",
"description": "Default function PC13, with alternate function TAMPER-RTC."
},
{
"number": "3",
"name": "PC14-OSC32IN",
"type": "bidirectional",
"description": "Default function PC14, with alternate function OSC32IN for the low-speed crystal input."
},
{
"number": "4",
"name": "PC15-OSC32OUT",
"type": "bidirectional",
"description": "Default function PC15, with alternate function OSC32OUT for the low-speed crystal output."
},
{
"number": "5",
"name": "OSCIN",
"type": "input",
"description": "Default function OSCIN for the high-speed crystal input, remappable to PD0, which cannot be used for EXTI in this package."
},
{
"number": "6",
"name": "OSCOUT",
"type": "output",
"description": "Default function OSCOUT for the high-speed crystal output, remappable to PD1, which cannot be used for EXTI in this package."
},
{
"number": "7",
"name": "NRST",
"type": "bidirectional",
"description": "Default function NRST, the reset pin listed as I/O in the table."
},
{
"number": "8",
"name": "PC0",
"type": "bidirectional",
"description": "Default function PC0, with alternate function ADC01_IN10."
},
{
"number": "9",
"name": "PC1",
"type": "bidirectional",
"description": "Default function PC1, with alternate function ADC01_IN11."
},
{
"number": "10",
"name": "PC2",
"type": "bidirectional",
"description": "Default function PC2, with alternate function ADC01_IN12."
},
{
"number": "11",
"name": "PC3",
"type": "bidirectional",
"description": "Default function PC3, with alternate function ADC01_IN13."
},
{
"number": "12",
"name": "VSSA",
"type": "power_in",
"description": "Default function VSSA, the analog ground pin."
},
{
"number": "13",
"name": "VDDA",
"type": "power_in",
"description": "Default function VDDA, the analog supply pin."
},
{
"number": "14",
"name": "PA0-WKUP",
"type": "bidirectional",
"description": "Default function PA0, with alternate functions WKUP, USART1_CTS, ADC01_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0 and TIMER7_ETI (TIMER7_ETI available on RE/G devices)."
},
{
"number": "15",
"name": "PA1",
"type": "bidirectional",
"description": "Default function PA1, with alternate functions USART1_RTS, ADC01_IN1, TIMER1_CH1 and TIMER4_CH1."
},
{
"number": "16",
"name": "PA2",
"type": "bidirectional",
"description": "Default function PA2, with alternate functions USART1_TX, ADC01_IN2, TIMER1_CH2, TIMER4_CH2 and SPI0_IO2."
},
{
"number": "17",
"name": "PA3",
"type": "bidirectional",
"description": "Default function PA3, with alternate functions USART1_RX, ADC01_IN3, TIMER1_CH3, TIMER4_CH3 and SPI0_IO3."
},
{
"number": "18",
"name": "VSS_4",
"type": "power_in",
"description": "Ground pin VSS_4."
},
{
"number": "19",
"name": "VDD_4",
"type": "power_in",
"description": "Supply pin VDD_4."
},
{
"number": "20",
"name": "PA4",
"type": "bidirectional",
"description": "Default function PA4, with alternate functions SPI0_NSS, USART1_CK, ADC01_IN4 and DAC_OUT0; remap SPI2_NSS and I2S2_WS."
},
{
"number": "21",
"name": "PA5",
"type": "bidirectional",
"description": "Default function PA5, with alternate functions SPI0_SCK, ADC01_IN5 and DAC_OUT1."
},
{
"number": "22",
"name": "PA6",
"type": "bidirectional",
"description": "Default function PA6, with alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0 and TIMER7_BRKIN (RE/G devices); remap TIMER0_BRKIN."
},
{
"number": "23",
"name": "PA7",
"type": "bidirectional",
"description": "Default function PA7, with alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and TIMER7_CH0_ON (RE/G devices); remap TIMER0_CH0_ON."
},
{
"number": "24",
"name": "PC4",
"type": "bidirectional",
"description": "Default function PC4, with alternate function ADC01_IN14."
},
{
"number": "25",
"name": "PC5",
"type": "bidirectional",
"description": "Default function PC5, with alternate function ADC01_IN15."
},
{
"number": "26",
"name": "PB0",
"type": "bidirectional",
"description": "Default function PB0, with alternate functions ADC01_IN8, TIMER2_CH2 and TIMER7_CH1_ON (RE/G devices); remap TIMER0_CH1_ON."
},
{
"number": "27",
"name": "PB1",
"type": "bidirectional",
"description": "Default function PB1, with alternate functions ADC01_IN9, TIMER2_CH3 and TIMER7_CH2_ON (RE/G devices); remap TIMER0_CH2_ON."
},
{
"number": "28",
"name": "PB2",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB2, which also serves as BOOT1."
},
{
"number": "29",
"name": "PB10",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB10, alternate functions I2C1_SCL and USART2_TX, and remap TIMER1_CH2."
},
{
"number": "30",
"name": "PB11",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB11, alternate functions I2C1_SDA and USART2_RX, and remap TIMER1_CH3."
},
{
"number": "31",
"name": "VSS_1",
"type": "power_in",
"description": "Ground pin VSS_1."
},
{
"number": "32",
"name": "VDD_1",
"type": "power_in",
"description": "Supply pin VDD_1."
},
{
"number": "33",
"name": "PB12",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB12 and alternate functions SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN, I2S1_WS and CAN1_RX."
},
{
"number": "34",
"name": "PB13",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB13 and alternate functions SPI1_SCK, USART2_CTS, TIMER0_CH0_ON, I2S1_CK and CAN1_TX."
},
{
"number": "35",
"name": "PB14",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB14 and alternate functions SPI1_MISO, USART2_RTS and TIMER0_CH1_ON."
},
{
"number": "36",
"name": "PB15",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB15 and alternate functions SPI1_MOSI, TIMER0_CH2_ON and I2S1_SD."
},
{
"number": "37",
"name": "PC6",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PC6, alternate functions I2S1_MCK and TIMER7_CH0 (RE/G devices), and remap TIMER2_CH0."
},
{
"number": "38",
"name": "PC7",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PC7, alternate functions I2S2_MCK and TIMER7_CH1 (RE/G devices), and remap TIMER2_CH1."
},
{
"number": "39",
"name": "PC8",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PC8, alternate function TIMER7_CH2 (RE/G devices), and remap TIMER2_CH2."
},
{
"number": "40",
"name": "PC9",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PC9, alternate function TIMER7_CH3 (RE/G devices), and remap TIMER2_CH3."
},
{
"number": "41",
"name": "PA8",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PA8 and alternate functions USART0_CK, TIMER0_CH0, CK_OUT0, USBFS_SOF and CTC_SYNC."
},
{
"number": "42",
"name": "PA9",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PA9 and alternate functions USART0_TX, TIMER0_CH1 and USBFS_VBUS."
},
{
"number": "43",
"name": "PA10",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PA10 and alternate functions USART0_RX, TIMER0_CH2 and USBFS_ID."
},
{
"number": "44",
"name": "PA11",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PA11 and alternate functions USART0_CTS, CAN0_RX, USBFS_DM and TIMER0_CH3."
},
{
"number": "45",
"name": "PA12",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PA12 and alternate functions USART0_RTS, USBFS_DP, CAN0_TX and TIMER0_ETI."
},
{
"number": "46",
"name": "PA13",
"type": "bidirectional",
"description": "5 V tolerant pin with default function JTMS/SWDIO, remappable to PA13."
},
{
"number": "47",
"name": "VSS_2",
"type": "power_in",
"description": "Ground pin VSS_2."
},
{
"number": "48",
"name": "VDD_2",
"type": "power_in",
"description": "Supply pin VDD_2."
},
{
"number": "49",
"name": "PA14",
"type": "bidirectional",
"description": "5 V tolerant pin with default function JTCK/SWCLK, remappable to PA14."
},
{
"number": "50",
"name": "PA15",
"type": "bidirectional",
"description": "5 V tolerant pin with default function JTDI and alternate functions SPI2_NSS and I2S2_WS; remap TIMER1_CH0, TIMER1_ETI, PA15 and SPI0_NSS."
},
{
"number": "51",
"name": "PC10",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PC10, alternate function UART3_TX, and remap USART2_TX, SPI2_SCK and I2S2_CK."
},
{
"number": "52",
"name": "PC11",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PC11, alternate function UART3_RX, and remap USART2_RX and SPI2_MISO."
},
{
"number": "53",
"name": "PC12",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PC12, alternate function UART4_TX, and remap USART2_CK, SPI2_MOSI and I2S2_SD."
},
{
"number": "54",
"name": "PD2",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PD2 and alternate functions TIMER2_ETI and UART4_RX."
},
{
"number": "55",
"name": "PB3",
"type": "bidirectional",
"description": "5 V tolerant pin with default function JTDO and alternate functions SPI2_SCK and I2S2_CK; remap PB3, TRACESWO, TIMER1_CH1 and SPI0_SCK."
},
{
"number": "56",
"name": "PB4",
"type": "bidirectional",
"description": "5 V tolerant pin with default function NJTRST and alternate function SPI2_MISO; remap TIMER2_CH0, PB4 and SPI0_MISO."
},
{
"number": "57",
"name": "PB5",
"type": "bidirectional",
"description": "Pin with default function PB5 and alternate functions I2C0_SMBA, SPI2_MOSI and I2S2_SD; remap TIMER2_CH1, SPI0_MOSI and CAN1_RX."
},
{
"number": "58",
"name": "PB6",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB6 and alternate functions I2C0_SCL and TIMER3_CH0; remap USART0_TX, CAN1_TX and SPI0_IO2."
},
{
"number": "59",
"name": "PB7",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB7 and alternate functions I2C0_SDA and TIMER3_CH1; remap USART0_RX and SPI0_IO3."
},
{
"number": "60",
"name": "BOOT0",
"type": "input",
"description": "Input pin with default function BOOT0."
},
{
"number": "61",
"name": "PB8",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB8 and alternate function TIMER3_CH2; remap I2C0_SCL and CAN0_RX."
},
{
"number": "62",
"name": "PB9",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB9 and alternate function TIMER3_CH3; remap I2C0_SDA and CAN0_TX."
},
{
"number": "63",
"name": "VSS_3",
"type": "power_in",
"description": "Ground pin VSS_3."
},
{
"number": "64",
"name": "VDD_3",
"type": "power_in",
"description": "Supply pin VDD_3."
}
],
"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: Package confirmed: Table 6-1 lists GD32F305RET6 as LQFP64 (512 KB flash). Pinout taken from Table 2-; Footnote (3) functions are available only in GD32F305RG devices, so they were omitted for the RET6. ; Footnote (4) functions (RE/G devices) were included because the RET6 is an RE-variant part."
],
"pages_sent": 38,
"cost_usd": 0.1809,
"at": "2026-10-18T01:39:40"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588954776218849281",
"pages": 83,
"sha256": "b600f18e174fa334",
"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": "gd32f305ret6.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "gd32f305ret6-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7d1636459e860e16afbbce1fbb145d0fa5979d990ce513c9fcfa9f0611c0b1a3",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "GigaDevice Semicon Beijing",
"Package": "LQFP-64(10x10)",
"Category": "Embedded Processors & Controllers",
"Pins": "64"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "b600f18e174fa3342909f090d94f9c47fc1d2a5edb63c0e90312b7a29ed6844d",
"rows": [
{
"name": "Supply voltage VDD, external voltage range (referenced to VSS)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "Printed as VSS - 0.3 / VSS + 3.6",
"source_page": 48,
"source": "datasheet"
},
{
"name": "Analog supply voltage VDDA (referenced to VSSA)",
"symbol": "VDDA",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "Printed as VSSA - 0.3 / VSSA + 3.6",
"source_page": 48,
"source": "datasheet"
},
{
"name": "External battery supply voltage (referenced to VSS)",
"symbol": "VBAT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "Printed as VSS - 0.3 / VSS + 3.6",
"source_page": 48,
"source": "datasheet"
},
{
"name": "Input voltage on 5V tolerant pin",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6.5,
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{
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{
"name": "Operating temperature range",
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"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
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{
"name": "Storage temperature range",
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"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
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{
"name": "Maximum junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
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{
"name": "Supply voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.6,
"typ": 3.3,
"max": 3.6,
"conditions": "",
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{
"name": "Analog supply voltage",
"symbol": "VDDA",
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"unit": "V",
"min": 2.6,
"typ": 3.3,
"max": 3.6,
"conditions": "Same as VDD",
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{
"name": "Battery supply voltage",
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"typ": null,
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{
"name": "AHB clock frequency",
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"unit": "MHz",
"min": null,
"typ": null,
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{
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"unit": "MHz",
"min": null,
"typ": null,
"max": 60,
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{
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"min": null,
"typ": null,
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{
"name": "VDD rise time rate",
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"min": null,
"typ": null,
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{
"name": "Electrostatic discharge voltage (charge device model)",
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"unit": "V",
"min": null,
"typ": null,
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{
"name": "Static latch-up I-test",
"symbol": "LU",
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"min": -200,
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"min": 4,
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"min": 30,
"typ": 50,
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"min": 1,
"typ": null,
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{
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"typ": null,
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{
"name": "OSC32IN high or low time (LXTAL bypass)",
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"name": "IRC8M oscillator frequency accuracy, factory-trimmed",
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"min": 20,
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"typ": null,
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"source_page": 62,
"source": "datasheet"
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{
"name": "IRC48M oscillator frequency accuracy, factory-trimmed",
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"min": -3,
"typ": null,
"max": 3,
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"source_page": 62,
"source": "datasheet"
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{
"name": "IRC48M oscillator frequency accuracy, factory-trimmed",
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"min": -2,
"typ": null,
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"conditions": "VDD = VDDA = 3.3 V, TA = 25 °C",
"source_page": 62,
"source": "datasheet"
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{
"name": "IRC48M oscillator duty cycle",
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"min": 45,
"typ": 50,
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"source_page": 62,
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"min": 1,
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"min": 16,
"typ": null,
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"typ": 37.5,
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"typ": 45,
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