产品概览
ATMEGA32U4-MUR from Microchip is an 8-bit AVR MCU with 32KB Flash, 2.5KB SRAM, 1KB EEPROM, integrated USB 2.0 full-speed device. QFN-44.
工作原理
Full-featured AVR with integrated USB 2.0 transceiver eliminating external USB serial converter. 12-channel 10-bit ADC. 4 PWM channels. UART, SPI, I2C. On-chip PLL for USB clock. Popular for keyboard and HID projects.
Pin Description
| 别针组 | 功能 | 计数 |
|---|---|---|
| GPIO | 数字输入/输出 | 26 |
| ADC | 10-bit channels | 12 |
| USB | D+/D- | 2 |
应用
- USB HID devices
- Keyboard controllers
- Arduino Leonardo/Micro
- Custom USB peripherals
Alternative Models
| Mfr | Part | 说明 |
|---|---|---|
| 微型芯片 | ATMEGA16U4-MUR | 16KB Flash |