Product Overview
The ATMEGA162-16AU from Microchip (formerly Atmel) is a high-performance, low-power 8-bit AVR RISC microcontroller in a 44-pin TQFP package. It features 16 KB in-system programmable Flash, 1 KB SRAM, 512B EEPROM, two USARTs, SPI, JTAG interface, two 16-bit timers, two 8-bit timers, and 16 PWM channels. Achieving up to 16 MIPS at 16 MHz with single-cycle instruction execution, it supports external memory expansion up to 64 KB.
Key Specifications
| Core | 8-bit AVR RISC |
| Max Clock | 16 MHz |
| Throughput | Up to 16 MIPS |
| Flash Memory | 16 KB (10,000 write/erase cycles) |
| SRAM | 1 KB |
| EEPROM | 512 bytes (100,000 write/erase cycles) |
| I/O Pins | 35 |
| External Memory Space | Up to 64 KB |
| USART | 2 channels |
| SPI | 1 channel |
| PWM Channels | 16 |
| Timers | 2 x 8-bit, 2 x 16-bit |
| Supply Voltage | 2.7V to 5.5V |
| Operating Temperature | -40°C to +85°C |
| Package | 44-TQFP (10 x 10 mm) |
Features
- 131 powerful instructions with most single-clock cycle execution
- 32 x 8 general-purpose working registers
- Dual USART with hardware buffer support
- SPI serial port for high-speed communication
- JTAG interface for on-chip debugging and programming
- 16 PWM channels for motor control and LED dimming
- External memory interface up to 64 KB
- Real-time counter with separate oscillator
- Programmable watchdog timer
- Five sleep modes for power optimization
Applications
- Industrial control and automation
- Motor drive and power control
- Communication gateways with dual USART
- Consumer electronics with external memory
- Legacy system maintenance and upgrades
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