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GD32E103R8T6

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GigaDevice Semicon Beijing Microcontroller Units (MCUs/MPUs/SOCs), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GD32E103R8T6

GigaDevice Semicon Beijing · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-64(10x10)

GD32E103R8T6 from GigaDevice Semicon Beijing, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VBAT power_in Backup battery supply pin for the RTC and backup domain.
2 PC13-TAMPER-RTC bidirectional GPIO PC13 with alternate function RTC_TAMPER.
3 PC14-OSC32IN bidirectional GPIO PC14 with alternate function OSC32IN (32.768 kHz crystal input).
4 PC15-OSC32OUT bidirectional GPIO PC15 with alternate function OSC32OUT (32.768 kHz crystal output).
5 PD0-OSCIN input Default OSCIN (HXTAL oscillator input), remappable to PD0 (cannot be used for EXTI in this package).
6 PD1-OSCOUT output Default OSCOUT (HXTAL oscillator output), remappable to PD1 (cannot be used for EXTI in this package).
7 NRST bidirectional System reset pin, default function NRST.
8 PC0 bidirectional GPIO PC0 with alternate function ADC01_IN10.
9 PC1 bidirectional GPIO PC1 with alternate function ADC01_IN11.
10 PC2 bidirectional GPIO PC2 with alternate function ADC01_IN12.
11 PC3 bidirectional GPIO PC3 with alternate function ADC01_IN13.
12 VSSA power_in Analog ground.
13 VDDA power_in Analog power supply (VREF+ is internally connected to VDDA in this package).
14 PA0-WKUP bidirectional GPIO PA0 with alternate functions WKUP, USART1_CTS, ADC01_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0, TIMER7_ETI.
15 PA1 bidirectional GPIO PA1 with alternate functions USART1_RTS/USART1_DE, ADC01_IN1, TIMER4_CH1, TIMER1_CH1.
16 PA2 bidirectional GPIO PA2 with alternate functions USART1_TX, TIMER4_CH2, ADC01_IN2, TIMER8_CH0, TIMER1_CH2, SPI0_IO2.
17 PA3 bidirectional GPIO PA3 with alternate functions USART1_RX, TIMER4_CH3, ADC01_IN3, TIMER1_CH3, TIMER8_CH1, SPI0_IO3.
18 VSS_4 power_in Digital ground.
19 VDD_4 power_in Digital power supply.
20 PA4 bidirectional GPIO PA4 with alternate functions SPI0_NSS, USART1_CK, DAC_OUT0, ADC01_IN4; remap SPI2_NSS, I2S2_WS.
21 PA5 bidirectional GPIO PA5 with alternate functions SPI0_SCK, ADC01_IN5, DAC_OUT1.
22 PA6 bidirectional GPIO PA6 with alternate functions SPI0_MISO, TIMER7_BRKIN, ADC01_IN6, TIMER2_CH0, TIMER12_CH0; remap TIMER0_BRKIN.
23 PA7 bidirectional GPIO PA7 with alternate functions SPI0_MOSI, TIMER7_CH0_ON, ADC01_IN7, TIMER2_CH1, TIMER13_CH0; remap TIMER0_CH0_ON.
24 PC4 bidirectional GPIO PC4 with alternate function ADC01_IN14.
25 PC5 bidirectional GPIO PC5 with alternate function ADC01_IN15.
26 PB0 bidirectional GPIO PB0 with alternate functions ADC01_IN8, TIMER2_CH2, TIMER7_CH1_ON; remap TIMER0_CH1_ON.
27 PB1 bidirectional GPIO PB1 with alternate functions ADC01_IN9, TIMER2_CH3, TIMER7_CH2_ON; remap TIMER0_CH2_ON.
28 PB2 bidirectional 5V-tolerant GPIO PB2, also BOOT1.
29 PB10 bidirectional 5V-tolerant GPIO PB10 with alternate functions I2C1_SCL, USART2_TX; remap TIMER1_CH2.
30 PB11 bidirectional 5V-tolerant GPIO PB11 with alternate functions I2C1_SDA, USART2_RX; remap TIMER1_CH3.
31 VSS_1 power_in Digital ground.
32 VDD_1 power_in Digital power supply.
33 PB12 bidirectional 5V-tolerant GPIO PB12 with alternate functions SPI1_NSS, I2S1_WS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN.
34 PB13 bidirectional 5V-tolerant GPIO PB13 with alternate functions SPI1_SCK, I2S1_CK, USART2_CTS, TIMER0_CH0_ON, I2C1_TXFRAME.
35 PB14 bidirectional 5V-tolerant GPIO PB14 with alternate functions SPI1_MISO, USART2_RTS/USART2_DE, TIMER0_CH1_ON, TIMER11_CH0.
36 PB15 bidirectional 5V-tolerant GPIO PB15 with alternate functions SPI1_MOSI, I2S1_SD, TIMER0_CH2_ON, TIMER11_CH1.
37 PC6 bidirectional 5V-tolerant GPIO PC6 with alternate functions I2S1_MCK, TIMER7_CH0; remap TIMER2_CH0.
38 PC7 bidirectional 5V-tolerant GPIO PC7 with alternate functions I2S2_MCK, TIMER7_CH1; remap TIMER2_CH1.
39 PC8 bidirectional 5V-tolerant GPIO PC8 with alternate function TIMER7_CH2; remap TIMER2_CH2.
40 PC9 bidirectional 5V-tolerant GPIO PC9 with alternate function TIMER7_CH3; remap TIMER2_CH3.
41 PA8 bidirectional 5V-tolerant GPIO PA8 with alternate functions USART0_CK, TIMER0_CH0, CK_OUT0, VCORE, USBFS_SOF, CTC_SYNC.
42 PA9 bidirectional 5V-tolerant GPIO PA9 with alternate functions USART0_TX, TIMER0_CH1, USBFS_VBUS.
43 PA10 bidirectional 5V-tolerant GPIO PA10 with alternate functions USART0_RX, TIMER0_CH2, USBFS_ID, V1REF.
44 PA11 bidirectional 5V-tolerant GPIO PA11 with alternate functions USART0_CTS, USBFS_DM, TIMER0_CH3.
45 PA12 bidirectional 5V-tolerant GPIO PA12 with alternate functions USART0_RTS/USART0_DE, USBFS_DP, TIMER0_ETI.
46 PA13 bidirectional 5V-tolerant pin, default JTMS/SWDIO, remappable to PA13.
47 VSS_2 power_in Digital ground.
48 VDD_2 power_in Digital power supply.
49 PA14 bidirectional 5V-tolerant pin, default JTCK/SWCLK, remappable to PA14.
50 PA15 bidirectional 5V-tolerant pin, default JTDI; alternate SPI2_NSS, I2S2_WS; remap TIMER1_CH0, TIMER1_ETI, PA15, SPI0_NSS.
51 PC10 bidirectional 5V-tolerant GPIO PC10 with alternate function UART3_TX; remap USART2_TX, SPI2_SCK, I2S2_CK.
52 PC11 bidirectional 5V-tolerant GPIO PC11 with alternate function UART3_RX; remap USART2_RX, SPI2_MISO.
53 PC12 bidirectional 5V-tolerant GPIO PC12 with alternate function UART4_TX; remap USART2_CK, SPI2_MOSI, I2S2_SD.
54 PD2 bidirectional 5V-tolerant GPIO PD2 with alternate functions TIMER2_ETI, UART4_RX.
55 PB3 bidirectional 5V-tolerant pin, default JTDO; alternate SPI2_SCK, I2S2_CK; remap TIMER1_CH1, PB3, SPI0_SCK.
56 PB4 bidirectional 5V-tolerant pin, default NJTRST; alternate SPI2_MISO, I2C0_TXFRAME; remap TIMER2_CH0, PB4, SPI0_MISO.
57 PB5 bidirectional GPIO PB5 (not 5V tolerant) with alternate functions I2C0_SMBA, SPI2_MOSI, I2S2_SD; remap TIMER2_CH1, SPI0_MOSI.
58 PB6 bidirectional 5V-tolerant GPIO PB6 with alternate functions I2C0_SCL, TIMER3_CH0; remap USART0_TX, SPI0_IO2.
59 PB7 bidirectional 5V-tolerant GPIO PB7 with alternate functions I2C0_SDA, TIMER3_CH1; remap USART0_RX, SPI0_IO3.
60 BOOT0 input Boot mode selection input, default function BOOT0.
61 PB8 bidirectional 5V-tolerant GPIO PB8 with alternate functions TIMER3_CH2, TIMER9_CH0; remap I2C0_SCL.
62 PB9 bidirectional 5V-tolerant GPIO PB9 with alternate functions TIMER3_CH3, TIMER10_CH0; remap I2C0_SDA.
63 VSS_3 power_in Digital ground.
64 VDD_3 power_in Digital power supply.

Key specifications

Parameter Value
Manufacturer GigaDevice Semicon Beijing
Package LQFP-64(10x10)
Category Single Chip Microcomputer/Microcontroller
Pins 64

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
External voltage range VDD 3.6 V VSS - 0.3 to VSS + 3.6 (min = VSS - 0.3) 42
External analog supply voltage VDDA 3.6 V VSSA - 0.3 to VSSA + 3.6 42
External battery supply voltage VBAT 3.6 V VSS - 0.3 to VSS + 3.6 42
Input voltage on other I/O VIN 3.6 V VSS - 0.3 min 42
Variations between different VDD power pins /ΔVDDX/ 50 mV 42
Variations between different ground pins /VSSX −VSS/ 50 mV 42
Maximum current for GPIO pins IIO -25 25 mA 42
Operating temperature range TA -40 85 °C 42
Power dissipation LQFP64 PD 733 mW TA = 85°C of LQFP64 42
Storage temperature range TSTG -65 150 °C 42
Maximum junction temperature TJ 125 °C 42
Supply voltage VDD 1.71 3.3 3.6 V 42
Analog supply voltage, ADC not used VDDA 1.71 3.3 3.6 V ADC not used 42
Analog supply voltage, ADC used VDDA 2.4 3.3 3.6 V ADC used 42
Battery supply voltage VBAT 1.71 3.6 V 42
AHB clock frequency fHCLK 120 MHz 43
APB1 clock frequency fAPB1 60 MHz 43
APB2 clock frequency fAPB2 120 MHz 43
VDD fall time rate tVDD 20 μs/V VDD fall time rate 43
VDD rise time rate tVDD 0 μs/V VDD rise time rate 43
Thermal resistance junction-to-ambient LQFP64 ΘJA 54.57 °C/W Natural convection, 2S2P PCB, LQFP64 83
Thermal resistance junction-to-board LQFP64 ΘJB 35.08 °C/W Cold plate, 2S2P PCB, LQFP64 83
Thermal resistance junction-to-case LQFP64 ΘJC 18.11 °C/W Cold plate, 2S2P PCB, LQFP64 84
Junction-to-board characterization parameter LQFP64 ΨJB 35.41 °C/W Natural convection, 2S2P PCB, LQFP64 84
Junction-to-top characterization parameter LQFP64 ΨJT 1.1 °C/W Natural convection, 2S2P PCB, LQFP64 84
LVD hysteresis VLVDhyst 100 mV 52
Power on reset threshold VPOR 1.67 V 52
Power down reset threshold VPDR 1.62 V 52
HBM ESD voltage VESD(HBM) 5000 V TA = 25 °C; JS-001-2014 52
CDM ESD voltage VESD(CDM) 800 V TA = 25 °C; JS-002-2014 53
Latch-up I-test LU 200 mA TA = 25 °C; JESD78 (±200) 54
Crystal or ceramic frequency fHXTAL 4 8 32 MHz 1.71 ≤ VDD ≤ 3.6 V 54
IRC8M accuracy, factory-trimmed ACCIRC8M -2.5 2.5 % VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 56
IRC8M accuracy, factory-trimmed ACCIRC8M -1 1 % VDD = VDDA = 3.3 V, TA = 25 °C 56
IRC40K frequency fIRC40K 28 40 60 kHz VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 56
IRC48M accuracy, factory-trimmed ACCIRC48M -4 5 % VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 57
PLL input clock frequency fPLLIN 1 8 25 MHz 57
PLL output clock frequency fPLLOUT 16 120 MHz 57
PLL lock time tLOCK 300 μs 57
Flash endurance PECYC 100 kcycles TA = -40 °C ~ +85 °C 58
Flash data retention tRET 10 years 10k cycles at TA = 85 °C 58
Word programming time tPROG 37 44 μs TA = -40 °C ~ +85 °C 58
Page erase time tERASE 3.2 4 ms TA = -40 °C ~ +85 °C 58
NRST input low level voltage VIL(NRST) -0.5 0.3 V 1.8 V ≤ VDD = VDDA ≤ 3.6 V (max = 0.3 VDD) 58
NRST input high level voltage VIH(NRST) 0.7 0.45 V 1.8 V ≤ VDD = VDDA ≤ 3.6 V (min = 0.7 VDD, max = VDD + 0.45) 58
Standard IO low level input voltage VIL 0.3 V 1.8 V ≤ VDD = VDDA ≤ 3.6 V (max = 0.3 VDD) 59
Standard IO high level input voltage VIH 0.7 V 1.8 V ≤ VDD = VDDA ≤ 3.6 V (min = 0.7 VDD) 59
Low level output voltage (IIO = +8 mA) VOL 0.32 V VDD = 1.8 V 59
Low level output voltage (IIO = +20 mA) VOL 0.28 V VDD = 3.3 V 59
High level output voltage (IIO = +8 mA) VOH 3.14 V VDD = 3.3 V 59
High level output voltage (IIO = +20 mA) VOH 2.91 V VDD = 3.3 V 59
ADC operating voltage VDDA 2.4 3.3 3.6 V 61
ADC clock fADC 0.1 42 MHz 61
ADC external input impedance RAIN 24 kΩ See Equation 1 61
DAC operating voltage VDDA 1.71 3.3 3.6 V 63
DAC INL INL 4 LSB DAC in 12-bit mode (±4) 63
Supply current (Run mode) IDD+IDDA 28.1 mA VDD = VDDA = 3.3 V, HXTAL = 25 MHz, System clock=120 MHz, All peripherals enabled 44

CAD (KiCad official)

  • Symbol: GD32E103R8T6
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: gd32e103r8t6-etched.step / gd32e103r8t6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gd32e103r8t6.step / gd32e103r8t6.glb are the bare package body.

Provenance

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

  • Datasheet: GigaDevice Semicon Beijing datasheet (88 pp, sha256 dc81c0f7bc7a3a61, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF