GD32E103RBT6 GigaDevice ARM Cortex-M4 32-bit Microcontroller MCU LQFP-64(10x10) GD32E103RBT6 GigaDevice ARM Cortex-M4 32-bit Microcontroller MCU LQFP-64(10x10)

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GD32E103RBT6 GigaDevice ARM Cortex-M4 32-bit Microcontroller MCU LQFP-64(10x10)

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GD32E103RBT6 Product Overview

The GD32E103RBT6 is a high-performance 32-bit general-purpose microcontroller (MCU) from GigaDevice, built on the ARM Cortex-M4 core and belonging to the GD32E103 mainstream connectivity product line. Housed in a LQFP-64 (10x10mm) mainstream package with 51 I/O pins， the GD32E103RBT6 delivers powerful processing capabilities with a 120MHz maximum frequency and zero-wait-state Flash access. As a representative of the Cortex-M4 connectivity line in the GD32 MCU family, the GD32E103RBT6 offers exceptional cost-performance in terms of enhanced processing capability, reduced power consumption, and a rich peripheral set. The GD32E103RBT6 is Pin-to-Pin compatible with the STM32F105 series, minimizing hardware replacement costs, making the GD32E103RBT6 ideal for cost-sensitive high-performance applications in industrial control, motor drives, IoT, and consumer electronics.

GD32E103RBT6 Key Features

High-Performance ARM Cortex-M4 Core: The GD32E103RBT6 features an ARM Cortex-M4 processor with a complete set of DSP instructions to meet digital signal control market demands requiring efficient and easy-to-use control and signal processing capabilities. The GD32E103RBT6 operates at up to 120MHz with zero-wait-state Flash access. The GD32E103RBT6 also features a built-in single-cycle multiplier and hardware divider.

Memory Configuration: The GD32E103RBT6 is equipped with 128KB on-chip Flash and 32KB SRAM. On-chip Flash of the GD32E103RBT6 is available for storing programs and data.

Mainstream LQFP Package: The GD32E103RBT6 comes in a LQFP-64 (10x10mm) package with 51 I/O pins and 0.50mm pin pitch.

Ultra-Wide Voltage & Temperature Range: The GD32E103RBT6 supports 1.71V to 3.6V ultra-wide operating voltage and -40℃ to +85℃ industrial temperature range.

Rich Analog Peripherals: The GD32E103RBT6 integrates two 12-bit ADCs (up to 3MSPS sampling rate, 16 channels) and two 12-bit DACs. The GD32E103RBT6 also has a built-in on-chip temperature sensor.

Comprehensive Timer Resources: The GD32E103RBT6 provides up to ten 16-bit general-purpose timers, two 16-bit PWM advanced timers, and two 16-bit basic timers. The GD32E103RBT6 supports three-phase PWM complementary output for BLDC/PMSM motor control.

Extensive Communication Interfaces: The GD32E103RBT6 supports 3×SPI (up to 30MHz), 3×USART + 2×UART (5 serial ports total), 2×I2C, 2×CAN2.0B, 1×USB FS OTG, I2S, and EXMC External Memory Controller.

Rich On-Chip Resources: The GD32E103RBT6 features a built-in DMA controller, RTC, two watchdog timers, IrDA interface, and LIN bus protocol support.

Multiple Low-Power Modes: The GD32E103RBT6 offers various power-saving modes for flexible optimization between wake-up latency and power consumption.

GD32E103RBT6 Applications

With its powerful performance, 51 I/O pins, and rich peripheral set, the GD32E103RBT6 is widely used in:

Industrial Control: The GD32E103RBT6 is ideal for PLCs, industrial automation equipment, and variable-frequency drives

Motor Control & Drives: The GD32E103RBT6 is well-suited for BLDC/PMSM motor control, servo drives, and inverter air conditioners

IoT & Edge Computing: The GD32E103RBT6 can be used in IoT gateways, edge computing nodes, and data acquisition terminals

Automotive Electronics: The GD32E103RBT6 is suitable for in-vehicle infotainment systems and CAN bus nodes

Consumer Electronics: The GD32E103RBT6 powers smart home devices, gaming peripherals, and multimedia devices

Industrial Communication: The GD32E103RBT6 is deployed in CAN bus communication and RS-485/232 serial communication equipment

Medical Devices: The GD32E103RBT6 is used in portable medical instruments and monitoring equipment

GD32E103RBT6 Key Advantages

120MHz Cortex-M4 + DSP High Performance: The GD32E103RBT6 features a Cortex-M4 core with complete DSP instructions – code execution efficiency far exceeds Cortex-M3 and Cortex-M0+ products at the same frequency.

2×ADC + 2×DAC: The GD32E103RBT6 provides two 12-bit ADCs (up to 3MSPS, 16 channels) and two 12-bit DACs for multi-channel high-precision analog signal acquisition and output.

2×CAN + 5×Serial + USB OTG: The GD32E103RBT6 offers two CAN2.0B, five USART/UART, USB FS OTG, and EXMC for comprehensive industrial and communication connectivity.

Pin-to-Pin Compatible with STM32F105: The GD32E103RBT6's LQFP-64 package is fully Pin-to-Pin compatible with STM32F105 series, minimizing hardware replacement costs and reducing time-to-market.

51 I/O Pins: The GD32E103RBT6's LQFP-64 package offers 51 I/O pins for moderate-complexity systems requiring multiple peripheral connections.

Cost-Effective Domestic Alternative: The GD32E103RBT6 provides significant cost advantages with a stable supply chain.

Mature Ecosystem: The GD32E103RBT6 supports Keil, IAR, GCC, and other mainstream IDEs with RT-Thread, FreeRTOS, uCOS-III OS examples.

Industrial-Grade Reliability: The GD32E103RBT6 operates across a -40℃ to +85℃ wide temperature range, suitable for harsh industrial environments.

Stable Domestic Supply Chain: GigaDevice, as a leading domestic MCU supplier with over 1.57 billion units shipped, ensures stable and reliable supply for the GD32E103RBT6.

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GD32E103RBT6 GigaDevice ARM Cortex-M4 32-bit Microcontroller MCU LQFP-64(10x10) GD32E103RBT6 GigaDevice ARM Cortex-M4 32-bit Microcontroller MCU LQFP-64(10x10)

FAQ

1 What is the GD32E103RBT6 chip
The GD32E103RBT6 is a high performance 32 bit microcontroller from GigaDevice based on the ARM Cortex M4 core, featuring an LQFP 64 package and offering enhanced computing capabilities compared to similar M3 chips.

2 What are the core frequency Flash and SRAM capacities
The GD32E103RBT6 reaches a maximum main frequency of 120MHz, with 128KB of Flash memory and 32KB of SRAM onboard, which is sufficient for complex embedded real time control tasks.

3 What is the package type pin count and physical size
The GD32E103RBT6 adopts an LQFP 64 package with 64 pins and a standard dimension of 14 by 14 millimeters, which is a medium scale quad flat package balancing rich peripherals and soldering convenience.

4 What are the operating voltage and temperature ranges
The GD32E103RBT6 operates at 2.6V to 3.6V, and the temperature range meets the industrial standard of minus 40 degrees Celsius to plus 85 degrees Celsius.

5 Which mainstream chip can this chip replace
The hardware pins of the GD32E103RBT6 are highly compatible with the STM32F103RBT6. Due to its built in M4 core and higher frequency, the GD32E103RBT6 provides enhanced processing performance without changing the PCB after migration.

6 What peripheral communication interfaces does it support
The GD32E103RBT6 integrates multiple USART serial ports, I2C interfaces, SPI interfaces, and supports CAN bus interfaces and USB 2.0 FS OTG interfaces, as well as a high precision 12 bit ADC.

7 What IDEs and programming methods are supported
The GD32E103RBT6 fully supports mainstream embedded IDEs such as Keil MDK, IAR EWARM, and GCC. The official website provides complete standard peripheral libraries and HAL libraries for easy migration and development with the GD32E103RBT6.

8 What application scenarios is this chip suitable for
The GD32E103RBT6 is widely used in industrial automation control, motor frequency conversion drives, robot joint drives, IoT wireless gateways, and medical instruments requiring high performance.

9 What low power management modes does it support
The GD32E103RBT6 supports three low power modes including sleep, deep sleep, and standby, allowing flexible state switching based on system load to extend battery life in portable devices.

10 What debugging and firmware download interface is supported
The GD32E103RBT6 supports the standard SWD serial wire debug interface, requiring only two pins SWDIO and SWCLK for online debugging and program burning via an emulator, ensuring high development efficiency.