产品概览
The ATMEGA640-16AU from Microchip/Atmel is a high-performance 8-bit AVR RISC microcontroller with 64KB Flash, 8KB SRAM, and 2KB EEPROM in a 100-pin TQFP package. Running at up to 16MHz with 86 GPIO pins, dual USARTs, SPI, I2C, and a 16-channel 10-bit ADC, it provides comprehensive peripheral integration for demanding embedded control applications.
主要规格
| 核心 | 8-bit AVR RISC (131 instructions, 32 x 8-bit registers) |
| Max Clock Frequency | 16MHz |
| Flash Memory | 64KB (10,000 write/erase cycles) |
| SRAM | 8KB |
| EEPROM | 2KB (100,000 write/erase cycles) |
| Operating Voltage | 4.5V ~ 5.5V (0~16MHz) |
| I/O Pins | 86 |
| 计时器 | 2 x 8-bit + 2 x 16-bit |
| ADC | 16 channels x 10-bit (65~260kSPS) |
| 交流 | 2x USART, 1x SPI, 1x I2C (TWI) |
| 包装 | TQFP-100 (14mm x 14mm) |
特点
- Powerful 8-bit AVR core with single-cycle instruction execution
- 64KB in-system programmable Flash with self-programming support
- 86 GPIO pins for extensive peripheral interfacing
- JTAG interface for on-chip debugging and programming
- 6 PWM channels for motor control and LED dimming
- Low power modes: Idle (0.5mA), Power-save (1uA)
应用
- Industrial control and automation systems
- Motor drive and motion control
- 消费电子产品和家用电器
- Embedded networking and communication gateways
- Security and access control systems