GD32F330C8T6 GigaDevice ARM Cortex-M4 MCU 84MHz 64KB Flash 8KB SRAM FPU LQFP-48 (7×7)

GD32F330C8T6 Product Overview

The GD32F330C8T6 is a value-line 32-bit general-purpose microcontroller from GigaDevice, based on the ARM Cortex-M4 core, in an LQFP-48 package (7×7mm). Running at up to 84MHz, the GD32F330C8T6 features 64KB Flash and 8KB SRAM, with an integrated single-precision FPU and DSP instruction set. As a mainstream model in the GD32F330 series, the GD32F330C8T6 offers exceptional cost-performance with a Cortex-M4 core, making it suitable for industrial control, motor drives, consumer electronics, and IoT applications. The GD32F330C8T6 pinout is compatible with STM32F103C8T6 and STM32F030C8T6, making it a cost-effective choice for domestic substitution.

GD32F330C8T6 Core Features

Cortex-M4 Core with 84MHz High Speed: The GD32F330C8T6 is based on the ARM Cortex-M4 32-bit RISC core with single-precision FPU and DSP instruction set. The GD32F330C8T6 runs at up to 84MHz with zero-wait-state Flash access. Over 50% performance improvement compared to Cortex-M0+ products.

Ample Memory: The GD32F330C8T6 provides 64KB embedded Flash and 8KB SRAM.

39 GPIOs: The GD32F330C8T6 offers 39 I/O ports.

High-Precision Analog Peripherals: The GD32F330C8T6 integrates 1×12-bit ADC (up to 10 input channels).

Rich Communication Interfaces: The GD32F330C8T6 supports 2×USART, 2×SPI, 2×I2C.

Timer Resources: The GD32F330C8T6 features 1×32-bit general-purpose timer, 5×16-bit general-purpose timers, 1×PWM advanced timer.

Wide Operating Voltage & Industrial Temperature: The GD32F330C8T6 operates at 2.6V~3.6V, -40℃ to +85℃.

LQFP-48 Package, Pin-Compatible with STM32F103: The GD32F330C8T6 comes in an LQFP-48 package (7×7mm) with pinout compatible with STM32F103C8T6 and STM32F030C8T6.

GD32F330C8T6 Applications

Industrial Control & Automation: The GD32F330C8T6 is used in PLCs, inverters, motor drives, industrial control boards

Motor Control & Drives: The GD32F330C8T6 supports BLDC motor control, ESCs, drone flight controllers

Consumer Electronics & Smart Home: The GD32F330C8T6 enables smart plugs, smart appliances, handheld devices

IoT & Embedded Systems: The GD32F330C8T6 is ideal for IoT nodes, sensor data acquisition and processing

PC Peripherals & USB Devices: The GD32F330C8T6 can be found in keyboards, mice, USB devices

Education & Prototyping: The GD32F330C8T6 serves as the core of the GD32330F-START starter kit

GD32F330C8T6 Key Advantages

Exceptional Cost-Performance, Entry-Level Cortex-M4 Choice: The GD32F330C8T6 offers Cortex-M4 performance at a Cortex-M0+ price point. The GD32F330C8T6 is highly competitive in pricing, suitable for high-volume applications.

84MHz Cortex-M4 + FPU for Superior Performance: The GD32F330C8T6 is based on the ARM Cortex-M4 core running at up to 84MHz with FPU and DSP support. The GD32F330C8T6 delivers over 50% performance improvement compared to Cortex-M0+ products.

Pin-Compatible with STM32F103C8T6 for Seamless Replacement: The GD32F330C8T6 pinout is compatible with STM32F103C8T6 and STM32F030C8T6, enabling direct hardware replacement.

Rich Peripherals for Flexible Adaptation: The GD32F330C8T6 features 12-bit ADC, USART, SPI, I2C, and multiple timers.

Mature Ecosystem for Rapid Development: Complete datasheets, user manuals, and firmware libraries are available for the GD32F330C8T6 from GigaDevice. The GD32F330C8T6 is supported by the official GD32330F-START starter kit and rich examples.

Domestic Supply with Stable Availability: As an original GigaDevice product, the GD32F330C8T6 offers stable supply and a mature development ecosystem.

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FAQ

1. What is GD32F330C8T6？

The GD32F330C8T6 is a 32-bit mainstream microcontroller (MCU) from GigaDevice, based on the ARM® Cortex®-M4 core with integrated FPU and DSP instructions. The GD32F330C8T6 belongs to the GD32 Value Line series, offering an excellent balance of enhanced processing capability, reduced power consumption, and cost-effectiveness.

2. What are the key specifications of GD32F330C8T6？

• Core: The GD32F330C8T6 uses ARM Cortex-M4 with FPU and DSP

• Frequency: The GD32F330C8T6 runs up to 84MHz

• Memory: The GD32F330C8T6 provides 64KB Flash + 8KB SRAM

• I/Os: The GD32F330C8T6 has 39 GPIO pins

• ADC: The GD32F330C8T6 features 1×12-bit, up to 10 external input channels, 1MSPS conversion rate

• Operating Voltage: The GD32F330C8T6 operates at 2.6V ~ 3.6V

• Temperature: The GD32F330C8T6 works from -40°C ~ +85°C (industrial grade)

• Package: The GD32F330C8T6 comes in LQFP-48 (7×7mm)

3. What package does GD32F330C8T6 use？

The GD32F330C8T6 uses an LQFP-48 package, measuring 7mm × 7mm with 0.50mm pin pitch. The GD32F330C8T6 is surface-mount type (SMD) and RoHS compliant. Standard packaging for the GD32F330C8T6 is Tray.

4. What applications is GD32F330C8T6 suitable for？

The GD32F330C8T6 is widely used in industrial control (PLC modules, motor control, small HMI), motor drives (brushed DC, stepper motors, etc.), user interfaces, power monitors and alarm systems, consumer and handheld devices, gaming and GPS, and e-bikes. Typical applications of the GD32F330C8T6 include IoT-based vaccine cold chain temperature monitoring systems and smart volume control systems.

5. What development tools support GD32F330C8T6？

The GD32F330C8T6 supports mainstream development tools including Keil MDK, IAR Embedded Workbench, and GCC. GigaDevice provides the GD32330C-START evaluation board for the GD32F330C8T6 with onboard GD-Link debugger, supporting the SWD interface. Development via PEmicro tools is also supported for the GD32F330C8T6.

6. What is the operating temperature range of GD32F330C8T6？

The operating temperature range of the GD32F330C8T6 is -40°C to +85°C (ambient temperature TA). The GD32F330C8T6 is an industrial-grade device suitable for harsh environments.

7. What are the key features of GD32F330C8T6？

• High performance: The GD32F330C8T6 Cortex-M4 core @84MHz with FPU and DSP instructions

• Rich timers: The GD32F330C8T6 features up to 5×16-bit general-purpose timers, 1×16-bit advanced control timer, 1×32-bit general-purpose timer

• Multiple communication interfaces: The GD32F330C8T6 supports 2×USART, 2×I2C, 2×SPI, 1×I2S

• High-precision ADC: The GD32F330C8T6 has a 12-bit ADC, 10 channels, 1MSPS sampling rate

• Low power: The GD32F330C8T6 supports Sleep, Deep Sleep, and Standby low-power modes

• 96-bit Unique ID: Each GD32F330C8T6 chip features a unique identifier

8. What peripheral interfaces does GD32F330C8T6 support？

• Communication: The GD32F330C8T6 provides 2×USART, 2×I2C, 2×SPI, 1×I2S

• Analog: The GD32F330C8T6 includes 1×12-bit ADC (10 channels, 1MSPS)

• Timers: The GD32F330C8T6 features 5×16-bit general-purpose timers, 1×16-bit advanced PWM timer, 1×32-bit general-purpose timer

• DMA: The GD32F330C8T6 has a multi-channel DMA controller

• GPIO: The GD32F330C8T6 offers 39 GPIOs

9. What are the alternative models for GD32F330C8T6？

• PIN-to-PIN compatible: STM32F103C8T6, STM32F030C8T6 (identical pinout, but GD32F330C8T6 offers better performance with Cortex-M4 core)

• Same series upgrade: GD32F330CBT6 (128KB Flash + 16KB SRAM)

• Same series other packages: GD32F330R8T6 (LQFP-64)

10. What are the design considerations when using GD32F330C8T6？

• Software migration: The GD32F330C8T6 has the same pinout as STM32F103C8T6 for direct PCB replacement, but software requires attention to low-level driver differences

• Note: Some sources indicate this model is End-of-Life (EOL) — verify availability of the GD32F330C8T6 or select alternative models (e.g., GD32F330CBT6) for new designs

• Debug interface: The GD32F330C8T6 supports SWD debug interface

• Power decoupling: Place 100nF decoupling capacitors near VDD pins of the GD32F330C8T6 for stable power delivery

• PCB layout: The GD32F330C8T6 LQFP-48 package (7×7mm) with 0.50mm pin pitch is suitable for medium-density PCB designs