APM32E103ZET6

The APM32E103ZET6 is a 32-bit ARM Cortex-M3 microcontroller by Geehy Semiconductor. It operates at 72 MHz, with 512KB Flash and 128KB SRAM, offering high performance for embedded applications.
Key features include:
- Peripherals: Multiple USARTs, SPIs, I2Cs, ADCs, and timers.
- Power Efficiency: Low-power modes for energy-sensitive designs.
- Package: LQFP-144 for compact integration.
- Compatibility: Pin- and software-compatible with STM32F103ZET6, easing migration.
Ideal for industrial control, consumer electronics, and IoT, the APM32E103ZET6 balances cost and capability.

The APM32E103ZET6, a Cortex-M3 MCU by Geehy, has equivalents like:
- STMicroelectronics STM32F103ZET6 (pin-to-pin compatible)
- GD32F103ZET6 (GigaDevice, similar specs)
- HK32F103ZET6 (Huake, compatible)
- MM32F103ZET6 (MindMotion, drop-in replacement)
These alternatives offer comparable performance (72MHz, 512KB Flash, 64KB RAM) and peripheral compatibility, but verify datasheets for minor differences.

The APM32E103ZET6 is a 32-bit ARM Cortex-M3 MCU by Geehy. Key features:
- Core: 72 MHz Cortex-M3, single-cycle hardware multiplier
- Memory: 512KB Flash, 128KB SRAM
- GPIO: Up to 80 I/O pins, 5V-tolerant
- Peripherals:
- 3× USART, 2× UART, 2× I2C, 3× SPI (2× with I2S)
- 1× USB 2.0 FS, 1× CAN 2.0B
- 2× 12-bit ADC (1μs conversion, 16 ch.), 2× 12-bit DAC
- 16× PWM, 8× timers (incl. 2× advanced)
- Operating Conditions: 2.6–3.6V, -40°C to +85°C
- Package: LQFP144
Compact and versatile for industrial/consumer applications.

The APM32E103ZET6 is a 32-bit ARM Cortex-M3 microcontroller by Geehy.
- Pin Count: 144 pins (LQFP package).
- Key Functions:
- GPIO: Up to 112 programmable I/O pins.
- Communication: Multiple USART, SPI, I2C, and CAN interfaces.
- Analog: 12-bit ADC (16 channels), DAC.
- Timers: Advanced-control, general-purpose, and basic timers.
- Memory: 512KB Flash, 128KB SRAM.
- Debug: SWD and JTAG support.
It is compatible with STM32F103ZET6, suitable for industrial and consumer applications.

The APM32E103ZET6 is manufactured by Geehy Semiconductor, a Chinese company specializing in microcontroller units (MCUs) and embedded solutions. Geehy is known for producing ARM Cortex-M-based MCUs, including the APM32 series, which are often positioned as cost-effective alternatives to STM32 microcontrollers.
Founded in 2017 and headquartered in Zhuhai, China, Geehy focuses on R&D for industrial, consumer, and IoT applications. The company emphasizes localization and supply chain resilience, catering to the growing demand for domestic semiconductor solutions in China.
The APM32E103ZET6 is a Cortex-M3 MCU with features similar to STM32F103 models, offering compatibility for certain applications. Geehy provides development tools and ecosystem support, though its global presence is smaller compared to established Western brands.
In short, Geehy is a rising Chinese semiconductor firm targeting the MCU market with competitive, ARM-based solutions.

The APM32E103ZET6, based on Arm Cortex-M3, is widely used in:
1. Industrial Control – PLCs, motor control, automation.
2. Consumer Electronics – Smart home devices, wearables.
3. Medical Devices – Portable monitors, diagnostic tools.
4. IoT & Wireless – Sensor nodes, gateways.
5. Automotive – Body control, infotainment systems.
6. Embedded Systems – Data logging, HMI applications.
With rich peripherals (USB, CAN, ADC, etc.) and low power consumption, it suits cost-sensitive, real-time applications.

The APM32E103ZET6 comes in an LQFP-144 package. This is a 144-pin, low-profile quad flat package with a body size of 20×20 mm and a lead pitch of 0.5 mm. It is surface-mountable, suitable for compact designs, and commonly used in industrial and consumer electronics.