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GD32F103VBT6

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GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Contents

README

markdown

GD32F103VBT6

GigaDevice Semicon Beijing · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)

GD32F103VBT6 from GigaDevice Semicon Beijing, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 PE2 bidirectional General-purpose I/O port E bit 2; 5V-tolerant. Alt: TRACECK, EXMC_A23.
2 PE3 bidirectional GPIO PE3; 5V-tolerant. Alt: TRACED0, EXMC_A19.
3 PE4 bidirectional GPIO PE4; 5V-tolerant. Alt: TRACED1, EXMC_A20.
4 PE5 bidirectional GPIO PE5; 5V-tolerant. Alt: TRACED2, EXMC_A21; Remap: TIMER8_CH0.
5 PE6 bidirectional GPIO PE6; 5V-tolerant. Alt: TRACED3, EXMC_A22; Remap: TIMER8_CH1.
6 VBAT power_in Backup domain supply (1.8-3.6 V). Powers RTC, LXTAL and backup registers when VDD is off.
7 PC13-TAMPER-RTC bidirectional GPIO PC13 in backup domain. Alt: TAMPER intrusion detect / RTC output. Limited drive when powered from VBAT.
8 PC14-OSC32IN bidirectional GPIO PC14 or 32.768 kHz LXTAL input (OSC32IN) for the RTC.
9 PC15-OSC32OUT bidirectional GPIO PC15 or 32.768 kHz LXTAL output (OSC32OUT) for the RTC.
10 VSS_5 power_in Digital ground reference (VSS domain 5). Tie to system ground.
11 VDD_5 power_in Digital supply 2.6-3.6 V (VDD domain 5). Decouple with 100 nF near pin.
12 OSCIN-PD0 input HXTAL crystal input (OSCIN) or remapped GPIO PD0.
13 OSCOUT-PD1 output HXTAL crystal output (OSCOUT) or remapped GPIO PD1.
14 NRST bidirectional Active-low reset input with internal pull-up; asserted low forces device reset. Also driven low by internal reset sources.
15 PC0 bidirectional GPIO PC0. Alt: ADC012_IN10 analog input.
16 PC1 bidirectional GPIO PC1. Alt: ADC012_IN11 analog input.
17 PC2 bidirectional GPIO PC2. Alt: ADC012_IN12 analog input.
18 PC3 bidirectional GPIO PC3. Alt: ADC012_IN13 analog input.
19 VSSA power_in Analog ground reference for ADC/DAC/VREF. Tie to VSS at a single point.
20 VREFN power_in Negative ADC reference input; normally tied to VSSA.
21 VREFP power_in Positive ADC/DAC reference input (2.6 V to VDDA).
22 VDDA power_in Analog supply for ADC/DAC/reset (2.6-3.6 V). Decouple with 100 nF + 1 uF.
23 PA0-WKUP bidirectional GPIO PA0. Alt: WKUP wake-from-standby, USART1_CTS, ADC012_IN0, TIMER1_CH0/ETI, TIMER4_CH0, TIMER7_ETI.
24 PA1 bidirectional GPIO PA1. Alt: USART1_RTS, ADC012_IN1, TIMER1_CH1, TIMER4_CH1.
25 PA2 bidirectional GPIO PA2. Alt: USART1_TX, ADC012_IN2, TIMER1_CH2, TIMER4_CH2, TIMER8_CH0.
26 PA3 bidirectional GPIO PA3. Alt: USART1_RX, ADC012_IN3, TIMER1_CH3, TIMER4_CH3, TIMER8_CH1.
27 VSS_4 power_in Digital ground (VSS domain 4).
28 VDD_4 power_in Digital supply 2.6-3.6 V (VDD domain 4).
29 PA4 bidirectional GPIO PA4. Alt: SPI0_NSS, USART1_CK, ADC01_IN4, DAC0_OUT0; Remap: SPI2_NSS, I2S2_WS.
30 PA5 bidirectional GPIO PA5. Alt: SPI0_SCK, ADC01_IN5, DAC0_OUT1.
31 PA6 bidirectional GPIO PA6. Alt: SPI0_MISO, ADC01_IN6, TIMER2_CH0, TIMER7_BRKIN, TIMER12_CH0; Remap: TIMER0_BRKIN.
32 PA7 bidirectional GPIO PA7. Alt: SPI0_MOSI, ADC01_IN7, TIMER2_CH1, TIMER7_CH0_ON, TIMER13_CH0; Remap: TIMER0_CH0_ON.
33 PC4 bidirectional GPIO PC4. Alt: ADC01_IN14 analog input.
34 PC5 bidirectional GPIO PC5. Alt: ADC01_IN15 analog input.
35 PB0 bidirectional GPIO PB0. Alt: ADC01_IN8, TIMER2_CH2, TIMER7_CH1_ON; Remap: TIMER0_CH1_ON.
36 PB1 bidirectional GPIO PB1. Alt: ADC01_IN9, TIMER2_CH3, TIMER7_CH2_ON; Remap: TIMER0_CH2_ON.
37 PB2 bidirectional GPIO PB2 / BOOT1 boot-mode select; 5V-tolerant. Sampled at reset with BOOT0.
38 PE7 bidirectional GPIO PE7; 5V-tolerant. Alt: EXMC_D4; Remap: TIMER0_ETI.
39 PE8 bidirectional GPIO PE8; 5V-tolerant. Alt: EXMC_D5; Remap: TIMER0_CH0_ON.
40 PE9 bidirectional GPIO PE9; 5V-tolerant. Alt: EXMC_D6; Remap: TIMER0_CH0.
41 PE10 bidirectional GPIO PE10; 5V-tolerant. Alt: EXMC_D7; Remap: TIMER0_CH1_ON.
42 PE11 bidirectional GPIO PE11; 5V-tolerant. Alt: EXMC_D8; Remap: TIMER0_CH1.
43 PE12 bidirectional GPIO PE12; 5V-tolerant. Alt: EXMC_D9; Remap: TIMER0_CH2_ON.
44 PE13 bidirectional GPIO PE13; 5V-tolerant. Alt: EXMC_D10; Remap: TIMER0_CH2.
45 PE14 bidirectional GPIO PE14; 5V-tolerant. Alt: EXMC_D11; Remap: TIMER0_CH3.
46 PE15 bidirectional GPIO PE15; 5V-tolerant. Alt: EXMC_D12; Remap: TIMER0_BRKIN.
47 PB10 bidirectional GPIO PB10; 5V-tolerant. Alt: I2C1_SCL, USART2_TX; Remap: TIMER1_CH2.
48 PB11 bidirectional GPIO PB11; 5V-tolerant. Alt: I2C1_SDA, USART2_RX; Remap: TIMER1_CH3.
49 VSS_1 power_in Digital ground (VSS domain 1).
50 VDD_1 power_in Digital supply 2.6-3.6 V (VDD domain 1).
51 PB12 bidirectional GPIO PB12; 5V-tolerant. Alt: SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN, I2S1_WS.
52 PB13 bidirectional GPIO PB13; 5V-tolerant. Alt: SPI1_SCK, USART2_CTS, TIMER0_CH0_ON, I2S1_CK.
53 PB14 bidirectional GPIO PB14; 5V-tolerant. Alt: SPI1_MISO, USART2_RTS, TIMER0_CH1_ON, TIMER11_CH0.
54 PB15 bidirectional GPIO PB15; 5V-tolerant. Alt: SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD, TIMER11_CH1.
55 PD8 bidirectional GPIO PD8; 5V-tolerant. Alt: EXMC_D13; Remap: USART2_TX.
56 PD9 bidirectional GPIO PD9; 5V-tolerant. Alt: EXMC_D14; Remap: USART2_RX.
57 PD10 bidirectional GPIO PD10; 5V-tolerant. Alt: EXMC_D15; Remap: USART2_CK.
58 PD11 bidirectional GPIO PD11; 5V-tolerant. Alt: EXMC_A16/EXMC_CLE; Remap: USART2_CTS.
59 PD12 bidirectional GPIO PD12; 5V-tolerant. Alt: EXMC_A17/EXMC_ALE; Remap: TIMER3_CH0, USART2_RTS.
60 PD13 bidirectional GPIO PD13; 5V-tolerant. Alt: EXMC_A18; Remap: TIMER3_CH1.
61 PD14 bidirectional GPIO PD14; 5V-tolerant. Alt: EXMC_D0; Remap: TIMER3_CH2.
62 PD15 bidirectional GPIO PD15; 5V-tolerant. Alt: EXMC_D1; Remap: TIMER3_CH3.
63 PC6 bidirectional GPIO PC6; 5V-tolerant. Alt: I2S1_MCK, TIMER7_CH0, SDIO_D6; Remap: TIMER2_CH0.
64 PC7 bidirectional GPIO PC7; 5V-tolerant. Alt: I2S2_MCK, TIMER7_CH1, SDIO_D7; Remap: TIMER2_CH1.
65 PC8 bidirectional GPIO PC8; 5V-tolerant. Alt: TIMER7_CH2, SDIO_D0; Remap: TIMER2_CH2.
66 PC9 bidirectional GPIO PC9; 5V-tolerant. Alt: TIMER7_CH3, SDIO_D1; Remap: TIMER2_CH3.
67 PA8 bidirectional GPIO PA8; 5V-tolerant. Alt: USART0_CK, TIMER0_CH0, CK_OUT0 (MCO).
68 PA9 bidirectional GPIO PA9; 5V-tolerant. Alt: USART0_TX, TIMER0_CH1.
69 PA10 bidirectional GPIO PA10; 5V-tolerant. Alt: USART0_RX, TIMER0_CH2.
70 PA11 bidirectional GPIO PA11; 5V-tolerant. Alt: USART0_CTS, CAN0_RX, USBDM (USB D-), TIMER0_CH3.
71 PA12 bidirectional GPIO PA12; 5V-tolerant. Alt: USART0_RTS, CAN0_TX, TIMER0_ETI, USBDP (USB D+).
72 PA13 bidirectional JTMS / SWDIO debug pin (default), or remapped GPIO PA13; 5V-tolerant.
73 NC unconnected Not connected. Leave floating or tie per manufacturer recommendation.
74 VSS_2 power_in Digital ground (VSS domain 2).
75 VDD_2 power_in Digital supply 2.6-3.6 V (VDD domain 2).
76 PA14 bidirectional JTCK / SWCLK debug pin (default), or remapped GPIO PA14; 5V-tolerant.
77 PA15 bidirectional JTDI debug pin (default). Alt: SPI2_NSS, I2S2_WS; Remap: TIMER1_CH0/ETI, PA15, SPI0_NSS. 5V-tolerant.
78 PC10 bidirectional GPIO PC10; 5V-tolerant. Alt: UART3_TX, SDIO_D2; Remap: USART2_TX, SPI2_SCK, I2S2_CK.
79 PC11 bidirectional GPIO PC11; 5V-tolerant. Alt: UART3_RX, SDIO_D3; Remap: USART2_RX, SPI2_MISO.
80 PC12 bidirectional GPIO PC12; 5V-tolerant. Alt: UART4_TX, SDIO_CK; Remap: USART2_CK, SPI2_MOSI, I2S2_SD.
81 PD0 bidirectional GPIO PD0; 5V-tolerant. Alt: EXMC_D2; Remap: CAN0_RX.
82 PD1 bidirectional GPIO PD1; 5V-tolerant. Alt: EXMC_D3; Remap: CAN0_TX.
83 PD2 bidirectional GPIO PD2; 5V-tolerant. Alt: TIMER2_ETI, SDIO_CMD, UART4_RX.
84 PD3 bidirectional GPIO PD3; 5V-tolerant. Alt: EXMC_CLK; Remap: USART1_CTS.
85 PD4 bidirectional GPIO PD4; 5V-tolerant. Alt: EXMC_NOE; Remap: USART1_RTS.
86 PD5 bidirectional GPIO PD5; 5V-tolerant. Alt: EXMC_NWE; Remap: USART1_TX.
87 PD6 bidirectional GPIO PD6; 5V-tolerant. Alt: EXMC_NWAIT; Remap: USART1_RX.
88 PD7 bidirectional GPIO PD7; 5V-tolerant. Alt: EXMC_NE0/EXMC_NCE1; Remap: USART1_CK.
89 PB3 bidirectional JTDO debug pin (default). Alt: SPI2_SCK, I2S2_CK; Remap: PB3, TRACESWO, TIMER1_CH1, SPI0_SCK. 5V-tolerant.
90 PB4 bidirectional NJTRST debug pin (default). Alt: SPI2_MISO; Remap: TIMER2_CH0, PB4, SPI0_MISO. 5V-tolerant.
91 PB5 bidirectional GPIO PB5. Alt: I2C0_SMBA, SPI2_MOSI, I2S2_SD; Remap: TIMER2_CH1, SPI0_MOSI.
92 PB6 bidirectional GPIO PB6; 5V-tolerant. Alt: I2C0_SCL, TIMER3_CH0; Remap: USART0_TX.
93 PB7 bidirectional GPIO PB7; 5V-tolerant. Alt: I2C0_SDA, TIMER3_CH1, EXMC_NADV; Remap: USART0_RX.
94 BOOT0 input Boot-mode select input. Sampled at reset with BOOT1 (PB2) to choose between main flash, system memory bootloader, or SRAM.
95 PB8 bidirectional GPIO PB8; 5V-tolerant. Alt: TIMER3_CH2, SDIO_D4, TIMER9_CH0; Remap: I2C0_SCL, CAN0_RX.
96 PB9 bidirectional GPIO PB9; 5V-tolerant. Alt: TIMER3_CH3, SDIO_D5, TIMER10_CH0; Remap: I2C0_SDA, CAN0_TX.
97 PE0 bidirectional GPIO PE0; 5V-tolerant. Alt: TIMER3_ETI, EXMC_NBL0.
98 PE1 bidirectional GPIO PE1; 5V-tolerant. Alt: EXMC_NBL1.
99 VSS_3 power_in Digital ground (VSS domain 3).
100 VDD_3 power_in Digital supply 2.6-3.6 V (VDD domain 3).

Key specifications

Parameter Value
Manufacturer GigaDevice Semicon Beijing
Package LQFP-100(14x14)
Category MCU
Pins 100

Ordering variants

Same part, different packaging or reel option.

  • GD32F103VBT6
  • GD32F103VBT6V8T6
  • GD32F103VBT6VCT6
  • GD32F103VBT6VDT6
  • GD32F103VBT6VET6
  • GD32F103VBT6VFT6
  • GD32F103VBT6VGT6
  • GD32F103VBT6VIT6
  • GD32F103VBT6VKT6
  • GD32F103VBT6ZCT6
  • GD32F103VBT6ZDT6
  • GD32F103VBT6ZET6
  • GD32F103VBT6ZFT6
  • GD32F103VBT6ZGT6
  • GD32F103VBT6ZIT6
  • GD32F103VBT6ZKT6
  • GD32F103VBT6R8T6
  • GD32F103VBT6RBT6
  • GD32F103VBT6RCT6
  • GD32F103VBT6RDT6
  • GD32F103VBT6RET6
  • GD32F103VBT6RFT6
  • GD32F103VBT6RGT6
  • GD32F103VBT6RIT6
  • GD32F103VBT6RKT6
  • GD32F103VBT6C4T6
  • GD32F103VBT6C6T6
  • GD32F103VBT6C8T6
  • GD32F103VBT6CBT6
  • GD32F103VBT6T4U6
  • GD32F103VBT6U6
  • GD32F103VBT6T8U6
  • GD32F103VBT6TBU6

CAD (KiCad official)

  • Symbol: GD32F103VBT6
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: gd32f103vbt6-etched.step / gd32f103vbt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gd32f103vbt6.step / gd32f103vbt6.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: GigaDevice Semicon Beijing datasheet (112 pp, sha256 53da1a17a1523e83, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF