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GD32L233CBT6

Public Made by Adom

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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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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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GD32L233CBT6

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

GD32L233CBT6 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 power supply pin for the VBAT domain (default function VBAT).
2 PC13 bidirectional General-purpose I/O PC13 with alternate EVENTOUT and additional RTC_TAMP0, RTC_OUT, RTC_TS and WKUP1 functions.
3 PC14-OSC32IN bidirectional General-purpose I/O PC14 that is also the OSC32IN low-speed oscillator input.
4 PC15-OSC32OUT bidirectional General-purpose I/O PC15 that is also the OSC32OUT low-speed oscillator output.
5 PF0-OSCIN bidirectional General-purpose I/O PF0 whose default function is the OSCIN high-speed oscillator input.
6 PF1-OSCOUT bidirectional General-purpose I/O PF1 whose default function is the OSCOUT high-speed oscillator output.
7 NRST bidirectional Active-low reset pin (default function NRST).
8 VSS power_in Ground supply pin (default function VSS).
9 VREF power_in Voltage reference pin (default function VREF).
10 VDD power_in Main power supply pin (default function VDD).
11 PA0 bidirectional General-purpose I/O PA0 with additional WKUP0, ADC_IN0, RTC_TAMP1 and CMP0_IM4 functions.
12 PA1 bidirectional General-purpose I/O PA1 with additional ADC_IN1 and CMP0_IP functions.
13 PA2 bidirectional General-purpose I/O PA2 with additional ADC_IN2, CMP1_IM4, RTC_TAMP2 and WKUP2 functions.
14 PA3 bidirectional General-purpose I/O PA3 with additional ADC_IN3 and CMP1_IP0 functions.
15 PA4 bidirectional General-purpose I/O PA4 with additional ADC_IN4 and DAC_OUT functions.
16 PA5 bidirectional General-purpose I/O PA5 with additional ADC_IN5 function.
17 PA6 bidirectional General-purpose I/O PA6 with additional ADC_IN6 function.
18 PA7 bidirectional General-purpose I/O PA7 with additional ADC_IN7 function.
19 PB0 bidirectional General-purpose I/O PB0 with additional ADC_IN8 and VREF_OUT functions.
20 PB1 bidirectional General-purpose I/O PB1 with additional ADC_IN9 and VREF_OUT functions.
21 BOOT1-PB2 bidirectional 5 V tolerant I/O with default function BOOT1, additional PB2 and WKUP3 functions.
22 PB10 bidirectional 5 V tolerant general-purpose I/O PB10 with alternate functions including SPI1_SCK, I2S1_CK, I2C1_SCL and LPUART_TX.
23 PB11 bidirectional 5 V tolerant general-purpose I/O PB11 with alternate functions including I2C1_SDA, LPUART_RX and TIMER1_CH3.
24 PB12 bidirectional 5 V tolerant general-purpose I/O PB12 with alternate functions including SPI1_NSS, I2S1_WS and LPUART_RTS.
25 PB13 bidirectional 5 V tolerant general-purpose I/O PB13 with alternate functions including CK_OUT, SPI1_SCK and LPUART_CTS.
26 PB14 bidirectional 5 V tolerant general-purpose I/O PB14 with alternate functions including SPI1_MISO, I2C1_SDA, RTC_OUT and TIMER11_CH0.
27 PB15 bidirectional 5 V tolerant general-purpose I/O PB15 with alternate functions including SPI1_MOSI, I2S1_SD and TIMER11_CH1, and additional RTC_REFIN.
28 PC6 bidirectional 5 V tolerant general-purpose I/O PC6 with alternate functions including I2S1_MCK and TIMER2_CH0, and additional WKUP4.
29 PC7 bidirectional 5 V tolerant general-purpose I/O PC7 with alternate functions including TIMER2_CH1 and EVENTOUT.
30 PA8 bidirectional 5 V tolerant general-purpose I/O PA8 with alternate functions including USART0_CK, CK_OUT and CTC_SYNC, and additional VCORE.
31 PA9 bidirectional 5 V tolerant general-purpose I/O PA9 with alternate functions including CK_OUT, USART0_TX, I2C0_SCL and LPTIMER_IN1.
32 PA10 bidirectional 5 V tolerant general-purpose I/O PA10 with alternate functions including USART0_RX and I2C0_SDA.
33 PA11 bidirectional 5 V tolerant general-purpose I/O PA11 with alternate functions including CMP0_OUT, USART0_CTS and SPI0_MISO, and additional USBDM.
34 PA12 bidirectional 5 V tolerant general-purpose I/O PA12 with alternate functions including CMP1_OUT, USART0_RTS and SPI0_MOSI, and additional USBDP.
35 PA13 bidirectional 5 V tolerant I/O with default function SWDIO and alternates including LPUART_RX, I2C0_SCL and USART0_TX.
36 PA14 bidirectional 5 V tolerant I/O with default function SWCLK and alternates including LPUART_TX, USART1_TX and I2C0_SDA.
37 PA15 bidirectional 5 V tolerant general-purpose I/O PA15 with alternate functions including SPI1_NSS, I2S1_WS, TIMER1_CH0_ETI and USART1_RX.
38 PC10 bidirectional 5 V tolerant general-purpose I/O PC10 with alternate functions including UART3_TX, LPUART_TX and SPI1_SCK.
39 PC11 bidirectional 5 V tolerant general-purpose I/O PC11 with alternate functions including UART3_RX, LPUART_RX and SPI1_MISO.
40 PC12 bidirectional 5 V tolerant general-purpose I/O PC12 with alternate functions including UART4_TX (CB/C devices only), SPI1_MOSI and I2S1_SD.
41 PB3 bidirectional 5 V tolerant general-purpose I/O PB3 with alternate functions including SPI1_SCK, I2S1_CK, TIMER1_CH1 and LPTIMER_IN1, and additional CMP1_IM6.
42 PB4 bidirectional 5 V tolerant general-purpose I/O PB4 with alternate functions including SPI1_MISO, TIMER2_CH0 and USART0_CTS, and additional CMP1_IP1.
43 PB5 bidirectional General-purpose I/O PB5 with alternate functions including LPTIMER_IN0, I2C0_SMBA, SPI1_MOSI and I2S1_SD, and additional CMP1_IP2.
44 PB6 bidirectional 5 V tolerant general-purpose I/O PB6 with alternate functions including LPTIMER_ETI0, I2C1_SCL, I2C0_SCL and USART0_TX, and additional CMP1_IP3.
45 PB7 bidirectional 5 V tolerant general-purpose I/O PB7 with alternate functions including I2C1_SDA, I2C0_SDA and USART0_RX, and additional CMP1_IP4.
46 BOOT0-PD3 bidirectional I/O with default function BOOT0 and alternates including USART1_CTS, SPI1_MISO and I2S1_MCK, and additional PD3 function.
47 PB8 bidirectional 5 V tolerant general-purpose I/O PB8 with alternate functions including I2C1_SCL, I2C0_SCL and CMP0_OUT.
48 PB9 bidirectional 5 V tolerant general-purpose I/O PB9 with alternate functions including I2C1_SDA, SPI1_NSS, I2S1_WS and CMP1_OUT.

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
Supply voltage VDD (absolute maximum) VDD 3.63 V External voltage range; min printed as VSS - 0.3 49
Analog supply voltage VDDA (absolute maximum) VDDA 3.63 V External analog supply voltage; min printed as VSSA - 0.3 49
Input voltage on other I/O (absolute maximum) VIN 3.63 V Input voltage on other I/O; min printed as VSS - 0.3 49
Variations between different VDD power pins /ΔVDDx/ 50 mV 49
Variations between different ground pins /VSSX-VSS/ 50 mV 49
Maximum current for GPIO pins IIO -25 25 mA 49
Operating temperature range TA -40 85 °C 49
Power dissipation of LQFP48 PD 574 mW Power dissipation at TA = 85°C of LQFP48 49
Storage temperature range TSTG -65 150 °C 49
Maximum junction temperature TJ 125 °C 49
Supply voltage VDD 1.71 3.3 3.63 V 49
Analog supply voltage VDDA 1.71 3.3 3.63 V 49
Battery supply voltage VBAT 1.71 3.3 3.63 V 49
AHB1 clock frequency fHCLK1 0 64 MHz 50
APB1 clock frequency fAPB1 0 32 MHz 50
APB2 clock frequency fAPB2 0 64 MHz 50
Power on reset threshold VPOR 1.56 1.6 1.63 V 59
Power down reset threshold VPDR 1.52 1.56 1.59 V 59
ESD voltage human body model VESD(HBM) 2000 V JS-001-2017 60
ESD voltage charge device model VESD(CDM) 500 V JS-002-2018 60
Static latch-up I-test LU -200 200 mA JESD78 60
Static latch-up Vsupply over voltage Vsupply 5.4 V 60
Crystal or ceramic frequency (HXTAL) fHXTAL 4 8 48 MHz VDD = 3.3 V 60
External clock source or oscillator frequency (LXTAL bypass) fLXTAL_ext 32.768 1000 kHz VDD = 3.3 V 62
IRC16M frequency accuracy, factory-trimmed ACCIRC16M -1.5 1.5 % VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 62
IRC16M frequency accuracy, factory-trimmed ACCIRC16M -1 1 % VDD = VDDA = 3.3 V 62
Low speed internal oscillator (IRC32K) frequency fIRC32K 31.7 32.3 kHz VDD = VDDA = 3.3 V, TA = -40~85 °C 63
IRC48M frequency accuracy, factory-trimmed ACCIRC48M -3.3 -0.25 % VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 63
IRC48M frequency accuracy ACCIRC48M -2 2 % VDD = VDDA = 3.3 V 63
PLL input clock frequency fPLLIN 2 16 MHz 64
PLL output clock frequency fPLLOUT 16 64 MHz 64
PLL lock time tLOCK 200 μs 64
Number of guaranteed program/erase cycles (Endurance) PECYC 10 kcycles TA = -40 °C ~ +85 °C 64
Data retention time tRET 10 years 10k cycles at TA = 85 °C 64
Analog supply voltage (VREF buffer) VDDA 2.7 3.3 3.63 V 65
Output reference voltage VREF 2.49 2.5 2.51 V VDDA = 3.3 V 65
Output reference voltage VREF 2.47 2.5 2.53 V All VDDA, All Temp 65
VREF buffer setup time TSU 200 μs CL = 1 μF + 10 nF 65
ADC operating voltage VDDA 1.8 3.3 3.6 V 68
ADC clock fADC 0.125 16 MHz 68
Sampling time ts 0.156 14.97 μs fADC = 16 MHz 68
External input impedance RAIN 513.6 kΩ See Equation 1 68
Input sampling switch resistance RADC 0.5 kΩ 68
Input sampling capacitance CADC 3 pF No pin/pad capacitance included 68
DAC operating voltage VDDA 1.71 3.3 3.63 V 70
Resistive load RLOAD 5 kΩ Resistive load with buffer ON 70
Impedance output Ro 15 kΩ Impedance output with buffer OFF 70
Capacitive load CLOAD 50 pF Capacitive load with buffer ON 70
Lower DAC_OUT voltage DAC_OUT min 0.2 V Lower DAC_OUT voltage with buffer ON 70
SCK clock frequency (SPI) fSCK 16 MHz 76
Data output access time (SPI slave) tA(SO) 8 ns 76
Data output valid time (SPI slave) tV(SO) 9 ns 76
Data input hold time (SPI slave) tH(SI) 1 ns 76
Data input setup time (SPI slave) tSU(SI) 0 ns 76
Data output valid time (SPI master) tV(MO) 10 ns 76
USBD operating voltage VDD 3 3.63 V 80
Static output level low VOL 0.3 V RL of 1.0 kΩ to 3.63 V 80
Thermal resistance junction-to-ambient θJA 69.64 °C/W Natural convection, 2S2P PCB 92
Thermal resistance junction-to-board θJB 43.16 °C/W Cold plate, 2S2P PCB 92
Thermal resistance junction-to-case θJC 25.36 °C/W Cold plate, 2S2P PCB 93

CAD (KiCad official)

  • Symbol: GD32L233CBT6
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: gd32l233cbt6-etched.step / gd32l233cbt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gd32l233cbt6.step / gd32l233cbt6.glb are the bare package body.

Provenance

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

  • Datasheet: GigaDevice Semicon Beijing datasheet (96 pp, sha256 106f71e7e95b90de, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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