Description：

The GigaDevice GD32G553CET7 is an optimal solution for compact yet advanced embedded designs that require a balance of high performance, ample memory, and a small physical footprint. Based on the robust 216 MHz Arm® Cortex®-M33 core and housed in a 48-pin LQFP package, it delivers the signature high-precision control capabilities of the GD32G5 series, including the advanced High-Resolution Timer (HRTIM). What sets this model apart is its enhanced 512KB Flash memory configuration within the compact form factor, making it particularly well-suited for complex sensor fusion applications, feature-rich compact drives, and other space-constrained designs where both algorithm complexity and code size are significant considerations.

Main Features：

1. Core & Performance

High-Performance Core: 216 MHz Arm® Cortex®-M33 core, equipped with DSP instruction set and Single-Precision Floating-Point Unit (FPU).

Hardware Accelerators: Integrates Trigonometric Mathematics Unit (TMU) and Filter Algorithm Accelerator (FAC), effectively enhancing real-time control and signal processing efficiency.

2. Advanced Control & Peripherals

Core Control Peripheral: Built-in High-Resolution Timer (HRTIM), providing PWM resolution as high as 145ps, which is key for precision digital control.

High-Speed Analog Peripherals: Includes 12-bit high-speed ADC (up to 5.3 MSPS) and high-speed comparators (CMP), supporting accurate signal acquisition and fast response.

Connectivity: Provides communication interfaces including CAN-FD, USB 2.0 FS, and multiple SPI/I2C/USART. Under the 48-pin package, some high-speed interfaces (such as some DACs, Ethernet MAC) may not be available, and GPIO and peripheral multiplexing is high.

Security Features: Supports hardware cryptographic modules, providing fundamental support for data protection and communication security.

3. Memory, Package & Reliability

Enhanced Memory Configuration (Key Differentiator): According to naming conventions, the "E" suffix typically indicates it is equipped with 512KB Flash and 128KB SRAM (including 32KB Tightly Coupled Memory), providing larger code storage space for complex applications.

Compact Package: The model prefix "C" represents the 48-pin LQFP package, achieving a good balance between pin count, cost, and size.

Industrial-Grade Reliability: The suffix "T7" ensures its operation within the industrial-grade temperature range of -40°C to +105°C.

Typical Applications：

The combination of "large memory + small package" makes it particularly well-suited for the following fields:

Advanced Compact Drives: Servo/stepper motor drive modules that integrate complex algorithms (e.g., parameter identification, vibration suppression).

Intelligent Sensing & Edge Processing: Industrial smart sensors or predictive maintenance modules that perform multi-sensor data fusion and edge AI inference.

Complex Single-Board Control: Compact PLC units or communication gateway core boards that need to run rich protocol stacks or complex state machines.

Space-Constrained Energy Control: Control units for single-phase/three-phase photovoltaic micro-inverters (PV Micro-inverter) and battery management units (BMS).