The ATMEGA645-16MU is a high-performance, low-power 8-bit AVR RISC-based Microcontroller combines 64kB ISP flash memory, 4kB SRAM, 2kB EEPROM, 53 programmable I/O lines, an 8-channel 10-bit A/D converter and a JTAG interface for on-chip debugging. The device achieves throughput of 16MIPS at 16MHz and operates between 2.7 to 5.5V. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1MIPS per MHz, balancing power consumption and processing speed. The device is manufactured using Atmel's high density non-volatile memory technology. The on-chip in-system re-programmable (ISP) flash allows the program memory to be reprogrammed in-system through an SPI serial interface, by a conventional non-volatile memory programmer, or by an on-chip boot program running on the AVR core.
- Advanced RISC architecture
- Power-on reset and programmable brown-out detection
- Internal calibrated RC oscillator
- External and internal interrupt sources
- Five sleep modes - Idle, ADC noise reduction, power-save, power-down and standby
- 130 Powerful instructions-most single clock cycle execution
- 32 x 8 General purpose working registers
- Fully static operation
- Up to 16MIPS throughput at 16MHz
- On-chip 2-cycle multiplier
- QTouch? library support
- JTAG (IEEE std. 1149.1 compliant) interface
- Programmable watchdog timer with separate on-chip oscillator
- On-chip analog comparator
- Interrupt and wake-up on pin change
- Two 8-bit timers/counters with separate prescalers and compare modes
- One 16-bit timer/counter with separate prescaler, compare mode and capture mode
- Real-time counter with separate oscillator
- Four PWM channels
- Programmable serial USART
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