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GD32E503CCT6

Public Made by Adom

by adom

GigaDevice Semicon Beijing Microcontroller Units (MCUs/MPUs/SOCs), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GD32E503CCT6

GigaDevice Semicon Beijing · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-48(7x7)

GD32E503CCT6 from GigaDevice Semicon Beijing, in a LQFP-48(7x7). 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 functions TAMPER-RTC and WKUP1.
3 PC14-OSC32IN bidirectional GPIO PC14 with alternate function OSC32IN (low-speed crystal input).
4 PC15-OSC32OUT bidirectional GPIO PC15 with alternate function OSC32OUT (low-speed crystal output).
5 OSCIN input HXTAL oscillator input (4-32 MHz crystal).
6 OSCOUT output HXTAL oscillator output (4-32 MHz crystal).
7 NRST bidirectional System reset pin, default function NRST.
8 VSSA power_in Analog ground.
9 VDDA power_in Analog power supply.
10 PA0-WKUP0 bidirectional GPIO PA0 with alternate functions WKUP0, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0.
11 PA1 bidirectional GPIO PA1 with alternate functions USART1_RTS, ADC012_IN1, TIMER4_CH1, TIMER1_CH1.
12 PA2 bidirectional GPIO PA2 with alternate functions USART1_TX, TIMER4_CH2, ADC012_IN2, TIMER8_CH0, TIMER1_CH2, SPI0_IO2, WKUP3.
13 PA3 bidirectional GPIO PA3 with alternate functions USART1_RX, TIMER4_CH3, ADC012_IN3, TIMER1_CH3, TIMER8_CH1, SPI0_IO3.
14 PA4 bidirectional GPIO PA4 with alternate functions SPI0_NSS, USART1_CK, DAC_OUT0, ADC01_IN4; remap SPI2_NSS, I2S2_WS.
15 PA5 bidirectional GPIO PA5 with alternate functions SPI0_SCK, ADC01_IN5, DAC_OUT1.
16 PA6 bidirectional GPIO PA6 with alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0, TIMER12_CH0; remap TIMER0_BRKIN.
17 PA7 bidirectional GPIO PA7 with alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1, TIMER13_CH0; remap TIMER0_CH0_ON.
18 PB0 bidirectional GPIO PB0 with alternate functions ADC01_IN8, TIMER2_CH2; remap TIMER0_CH1_ON.
19 PB1 bidirectional GPIO PB1 with alternate functions SHRTIMER_SCOUT, ADC01_IN9, TIMER2_CH3; remap TIMER0_CH2_ON.
20 PB2 bidirectional 5V-tolerant GPIO PB2, also BOOT1, with alternate function SHRTIMER_SCIN.
21 PB10 bidirectional 5V-tolerant GPIO PB10 with alternate functions SHRTIMER_FLT2, I2C1_SCL, USART2_TX; remap TIMER1_CH2.
22 PB11 bidirectional 5V-tolerant GPIO PB11 with alternate functions SHRTIMER_FLT3, I2C1_SDA, USART2_RX; remap TIMER1_CH3.
23 VSS_1 power_in Digital ground.
24 VDD_1 power_in Digital power supply.
25 PB12 bidirectional 5V-tolerant GPIO PB12 with alternate functions SHRTIMER_ST2CH0, SPI1_NSS, I2S1_WS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN, CAN1_RX.
26 PB13 bidirectional 5V-tolerant GPIO PB13 with alternate functions SHRTIMER_ST2CH1, SPI1_SCK, I2S1_CK, USART2_CTS, TIMER0_CH0_ON, CAN1_TX, I2C1_TXFRAME.
27 PB14 bidirectional 5V-tolerant GPIO PB14 with alternate functions SHRTIMER_ST3CH0, I2S1_ADD_SD, SPI1_MISO, USART2_RTS, TIMER0_CH1_ON, TIMER11_CH0.
28 PB15 bidirectional 5V-tolerant GPIO PB15 with alternate functions SHRTIMER_ST3CH1, SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD, TIMER11_CH1, WKUP6.
29 PA8 bidirectional 5V-tolerant GPIO PA8 with alternate functions SHRTIMER_ST0CH0, I2C2_SCL, USART0_CK, TIMER0_CH0, CK_OUT, CTC_SYNC.
30 PA9 bidirectional 5V-tolerant GPIO PA9 with alternate functions SHRTIMER_ST0CH1, I2C2_SMBA, USART0_TX, TIMER0_CH1.
31 PA10 bidirectional 5V-tolerant GPIO PA10 with alternate functions SHRTIMER_ST1CH0, USART0_RX, TIMER0_CH2.
32 PA11 bidirectional 5V-tolerant GPIO PA11 with alternate functions SHRTIMER_ST1CH1, USART0_CTS, CAN0_RX, USBDM, TIMER0_CH3.
33 PA12 bidirectional 5V-tolerant GPIO PA12 with alternate functions SHRTIMER_FLT0, USART0_RTS, CAN0_TX, USBDP, TIMER0_ETI.
34 PA13 bidirectional 5V-tolerant pin, default JTMS/SWDIO, remappable to PA13.
35 VSS_2 power_in Digital ground.
36 VDD_2 power_in Digital power supply.
37 PA14 bidirectional 5V-tolerant pin, default JTCK/SWCLK, remappable to PA14.
38 PA15 bidirectional 5V-tolerant pin, default JTDI, with alternate functions SHRTIMER_FLT1, SPI2_NSS, I2S2_WS; remap TIMER1_CH0, TIMER1_ETI, PA15, SPI0_NSS.
39 PB3 bidirectional 5V-tolerant pin, default JTDO, with alternate functions SHRTIMER_SCOUT, SHRTIMER_EXEV8, SPI2_SCK, I2S2_CK; remap TIMER1_CH1, PB3, SPI0_SCK.
40 PB4 bidirectional 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.
41 PB5 bidirectional GPIO PB5 with alternate functions SHRTIMER_EXEV5, I2C2_SCL, I2C0_SMBA, SPI2_MOSI, I2S2_SD, WKUP5; remap TIMER2_CH1, SPI0_MOSI, CAN1_RX.
42 PB6 bidirectional 5V-tolerant GPIO PB6 with alternate functions SHRTIMER_SCIN, SHRTIMER_EXEV3, I2C0_SCL, TIMER3_CH0; remap USART0_TX, CAN1_TX, SPI0_IO2.
43 PB7 bidirectional 5V-tolerant GPIO PB7 with alternate functions SHRTIMER_EXEV2, I2C0_SDA, TIMER3_CH1; remap USART0_RX, SPI0_IO3.
44 BOOT0 input Boot mode selection input, default function BOOT0.
45 PB8 bidirectional 5V-tolerant GPIO PB8 with alternate functions SHRTIMER_EXEV7, I2C2_SDA, TIMER3_CH2, TIMER9_CH0; remap I2C0_SCL, CAN0_RX.
46 PB9 bidirectional 5V-tolerant GPIO PB9 with alternate functions SHRTIMER_EXEV4, TIMER3_CH3, TIMER10_CH0; remap I2C0_SDA, CAN0_TX.
47 VSS_3 power_in Digital ground.
48 VDD_3 power_in Digital power supply.

Key specifications

Parameter Value
Manufacturer GigaDevice Semicon Beijing
Package LQFP-48(7x7)
Category Single Chip Microcomputer/Microcontroller
Pins 48

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 3.63 V relative to VSS (min VSS - 0.3) 55
External analog supply voltage VDDA 3.63 V relative to VSSA (min VSSA - 0.3) 55
External battery supply voltage VBAT 3.63 V relative to VSS (min VSS - 0.3) 55
Input voltage on other I/O VIN 3.63 V min VSS - 0.3 55
Variations between different VDD power pins /ΔVDDx/ 50 mV 55
Variations between different ground pins /VSSX −VSS/ 50 mV 55
Maximum current for GPIO pins IIO -25 25 mA printed ±25 55
Operating temperature range TA -40 85 °C 55
Storage temperature range TSTG -65 150 °C 55
Maximum junction temperature TJ 125 °C 55
Supply voltage VDD 1.71 3.3 3.63 V 55
Analog supply voltage, fADCMAX = 35 MHz VDDA 2.4 3.3 3.63 V fADCMAX = 35 MHz 55
Analog supply voltage, fADCMAX = 14 MHz VDDA 1.71 2.4 V fADCMAX = 14 MHz 55
Battery supply voltage VBAT 1.71 3.63 V 55
AHB clock frequency fHCLK 180 MHz 56
APB1 clock frequency fAPB1 90 MHz 56
APB2 clock frequency fAPB2 180 MHz 56
VDD fall time rate tVDD 50 μs/ V VDD fall time rate 56
NRST input low level voltage VIL(NRST) 0.35 V VDD = VDDA = 3.3 V; max printed 0.35 VDD 71
NRST input high level voltage VIH(NRST) 0.65 V VDD = VDDA = 3.3 V; min printed 0.65 VDD 71
Standard IO low level input voltage VIL 0.35 V 1.71 V ≤ VDD = VDDA ≤ 3.63 V; printed 0.35 VDD 72
Standard IO input high voltage VIH 0.65 V 1.71 V ≤ VDD = VDDA ≤ 3.63 V; printed 0.65 VDD 72
Low level output voltage (IIO = +8 mA) VOL 0.12 V VDD = 3.3 V 72
Low level output voltage (IIO = +20 mA) VOL 0.3 V VDD = 3.3 V 72
High level output voltage (IIO = +8 mA) VOH 3.17 V VDD = 3.3 V 72
High level output voltage (IIO = +20 mA) VOH 2.96 V VDD = 3.3 V 72
IRC8M accuracy, factory-trimmed ACCIRC8M -2.5 2.5 % VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 68
IRC8M accuracy, factory-trimmed ACCIRC8M -1 1 % VDD = VDDA = 3.3 V, TA = 25 °C 68
IRC40K frequency fIRC40K 20 40 45 kHz VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 68
IRC48M accuracy, factory-trimmed ACCIRC48M -4 5 % VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 69
HXTAL crystal frequency fHXTAL 4 8 32 MHz 1.71 V ≤ VDD ≤ 3.63 V 66
PLL output clock frequency fPLLOUT 16 180 MHz 69
Flash endurance PECYC 10 kcycles TA = -40 °C ~ +85 °C 71
Flash data retention tRET 10 years TA = -40 °C ~ +85 °C 71
ADC operating voltage VDDA 1.71 3.3 3.63 V 73
ADC clock fADC 0.1 35 MHz VDDA = 2.4 V to 3.63 V 74
External input impedance RAIN 175.8 kΩ See Equation 2 74
ADC offset error Offset -1 0.5 1 LSB fADC = 35 MHz, VDDA = VREF+ = 3.3 V, 25 ℃, Single ended 76
ADC INL INL -1 0.7 1 LSB fADC = 35 MHz, VDDA = VREF+ = 3.3 V, 25 ℃, Single ended 76
DAC operating voltage VDDA 1.8 3.3 3.63 V 77
DAC DNL DNL -2 2 LSB DAC in 12-bit mode 77
DAC INL INL -4 4 LSB DAC in 12-bit mode 77
USBD operating voltage VDD 3 3.63 V 83
SPI SCK clock frequency fSCK 22.5 MHz 79
Thermal resistance junction-to-ambient θJA 69.64 °C/W Natural convection, 2S2P PCB, LQFP48 100
Thermal resistance junction-to-board θJB 43.16 °C/W Cold plate, 2S2P PCB, LQFP48 100
Thermal resistance junction-to-case θJC 25.36 °C/W Cold plate, 2S2P PCB, LQFP48 101
Supply current (Run mode) IDD+IDDA 59.8 mA VDD = VDDA = 3.3 V, HXTAL = 25 MHz, System clock = 180 MHz, All peripherals enabled 57

CAD (KiCad official)

  • Symbol: GD32E503CCT6
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: gd32e503cct6-etched.step / gd32e503cct6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gd32e503cct6.step / gd32e503cct6.glb are the bare package body.

Provenance

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

  • Datasheet: GigaDevice Semicon Beijing datasheet (104 pp, sha256 704cbcf5528dd1b1, 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