AT32F421C8T7

The AT32F421C8T7 is a cost-effective 32-bit microcontroller from Artery based on the ARM Cortex-M4 core, running at 120 MHz. It features 64 KB Flash, 16 KB SRAM, and supports a wide operating voltage (2.6V–3.6V).
Key peripherals include:
- 12-bit ADC (up to 1 MSPS)
- USART/UART/SPI/I2C interfaces
- PWM timers
- USB 2.0 Full-Speed
It operates in -40°C to +85°C and comes in a LQFP48 package. Ideal for applications like consumer electronics, industrial control, and IoT due to its high performance, low power, and rich peripherals.
Artery provides a free development ecosystem with AT32 Workbench (based on Keil/IAR) and Artery ICP/ISP tools for programming.
Summary: A budget-friendly Cortex-M4 MCU with strong processing, ample memory, and versatile connectivity.

The AT32F421C8T7 (Arm Cortex-M4) has equivalents like:
- STM32F030C8T6 (Cortex-M0, lower performance)
- STM32F103C8T6 (Cortex-M3, similar specs)
- GD32F303CBT6 (Cortex-M4, pin-compatible alternative)
- APM32F103CBT6 (Cortex-M3, drop-in replacement)
- MM32F103CBT6 (Cortex-M3, compatible).
Check pinout, peripherals, and voltage for exact matches.

The AT32F421C8T7 is a cost-effective 32-bit ARM Cortex-M4 MCU by Artery. Key features:
- Core: 120 MHz Cortex-M4 with DSP and FPU
- Memory: 64 KB Flash, 16 KB SRAM
- Timers: 12x 16-bit, 2x 32-bit, PWM, RTC
- ADC: 12-bit, 1 MSPS, 10 channels
- Communication: 3x USART, 2x SPI, 2x I2C, 1x USB 2.0 FS
- GPIO: Up to 37 I/Os
- Operating Voltage: 2.6V–3.6V
- Packages: LQFP48, QFN48
- Temperature Range: -40°C to +85°C
Ideal for consumer electronics, industrial control, and IoT applications.

The AT32F421C8T7 is a 32-bit ARM Cortex-M4 microcontroller from Artery with 48 pins (LQFP-48 package).
Key Functions:
- GPIO: Up to 39 I/O pins.
- Communication: 3x USART, 2x SPI, 2x I²C.
- Analog: 1x 12-bit ADC (10 channels).
- Timers: 5x 16-bit timers, 1x PWM advanced timer.
- Debug: SWD & JTAG support.
- Memory: 64KB Flash, 16KB SRAM.
- Clock: Up to 120MHz.
Compact and versatile for cost-sensitive embedded applications.

The AT32F421C8T7 is manufactured by Artery Technology, a Chinese semiconductor company specializing in 32-bit ARM Cortex-M microcontrollers (MCUs).
Artery Technology focuses on high-performance, low-power MCUs for applications like consumer electronics, industrial control, and IoT. Their products are known for cost-effectiveness and compatibility with industry standards.
The company is part of China's growing semiconductor industry, competing with global brands like STMicroelectronics and NXP.

The AT32F421C8T7, a cost-effective 32-bit MCU by Artery, is widely used in:
- Consumer Electronics: Smart home devices, toys, and wearables.
- Industrial Control: PLCs, motor control, and automation systems.
- IoT & Wireless: Sensor nodes, gateways, and low-power IoT applications.
- PC Peripherals: Keyboards, mice, and gaming controllers.
- Automotive: Auxiliary systems like lighting and small motor drivers.
With its ARM Cortex-M4 core, 64KB Flash, and rich peripherals (USB, ADC, PWM), it suits compact, real-time embedded designs.

The AT32F421C8T7 comes in an LQFP-48 package. This is a 48-pin, low-profile quad flat package with a 7x7mm body size and 0.5mm pin pitch, suitable for space-constrained applications. It supports surface-mount assembly and provides reliable electrical performance for embedded systems.