APM32F103VET6

The APM32F103VET6 is a 32-bit ARM Cortex-M3 microcontroller by Geehy, pin-to-pin compatible with the STM32F103 series. It features:
- 72 MHz max clock speed
- 512KB Flash, 128KB SRAM
- 3x USART, 2x SPI, 2x I2C, USB 2.0, CAN
- 12-bit ADC (3x, 16 channels)
- 80 GPIOs
- Operating voltage: 2.0–3.6V
Ideal for industrial control, consumer electronics, and IoT, it offers cost-effective performance with low power consumption and robust peripherals. Development is supported by standard ARM tools (Keil, IAR, GCC) and Geehy’s ecosystem.

The APM32F103VET6 is a Cortex-M3 MCU by Geehy. Equivalent products include:
1. STMicroelectronics: STM32F103VET6
2. GigaDevice: GD32F103VET6
3. Nations: N32G103VET7
4. MindMotion: MM32F103VET6
These chips offer similar pinouts, peripherals, and performance, making them drop-in replacements in most cases. Verify compatibility for specific applications.

The APM32F103VET6 is a 32-bit ARM Cortex-M3 MCU with:
- Pin count: 100 pins (LQFP package).
- Key functions:
- GPIO: Up to 80 general-purpose I/O pins.
- Communication: 3x SPI, 3x USART, 2x I2C, 1x CAN, 1x USB.
- Analog: 2x 12-bit ADC (16 channels), 2x 12-bit DAC.
- Timers: 4x 16-bit timers, 2x PWM-capable advanced timers.
- Memory: 512KB Flash, 64KB SRAM.
- Debug: SWD/JTAG support.
It is pin-compatible with STM32F103VET6, suitable for industrial and consumer applications.

The APM32F103VET6 is manufactured by Geehy Semiconductor, a Chinese company specializing in microcontroller units (MCUs) and integrated circuits. Geehy is known for producing ARM Cortex-M-based MCUs, including the APM32 series, which are often positioned as cost-effective alternatives to STMicroelectronics' STM32 lineup.
Founded in 2017, Geehy focuses on R&D for industrial, consumer, and IoT applications. The company emphasizes localization and supply chain resilience, catering primarily to the Chinese market while expanding globally.
The APM32F103VET6 is a Cortex-M3 MCU with 512KB Flash and 128KB RAM, designed as a drop-in replacement for the STM32F103VET6, offering similar peripherals and pin compatibility.
Geehy is a growing player in the semiconductor industry, leveraging China's push for domestic chip production.

The APM32F103VET6, 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. Automotive – ECUs, sensors, dashboards.
5. IoT & Communication – Gateways, wireless modules.
6. Embedded Systems – Data loggers, HMI interfaces.
It offers high performance, rich peripherals (USB, CAN, ADC), and low power consumption, making it versatile for cost-sensitive applications.

The APM32F103VET6 comes in an LQFP-100 package. This is a 100-pin, low-profile quad flat package with a body size of 14×14 mm and a lead pitch of 0.5 mm, suitable for surface-mount applications. It offers good thermal and electrical performance for embedded systems.