Technical Data
- Microcontroller: ATMEGA644P-20AU
- Main Crystal: 18.43MHz
- Speed: 18.43MHz
- Processor Language: AVR
Memory
- Program Flash Memory (Internal): 64kBytes
- RAM Memory (Internal): 4kBytes
- EEPROM Memory (Internal): 2kBytes
- SEEPROM Memory AT24C16B (External via TWI): 2kBytes
Converters
- A/D (Internal): Yes - 8 Channels 10-Bit
Auxiliary Features
- SPI Controller (Internal): Yes
- RTC Counter (Internal): Yes
- PWM (Internal): Yes - 6 Channels
Input/Ouput
- I/O Points Available: 32
- I/O Points Connection: solder pad with hole
- RS-485 Connection: 3 Way Polarized Connector
- USB Connection: Female Type B
- RS-232 Connection: 3 Way pin header
Clocks
- Real Time Clock: Internal
- Counters: 2 - 8bit, 1 - 16bit
Communication
- RS485 Communication: Yes - 1 Channel
- USB Serial: Yes - FTDI (selectable via JP4)
- RS-232 Serial: Yes - MAX202 (selectable via JP4)
Ancillary Features
- In-Circuit Programming: Yes
- Power-On LED: Yes - Red
- Test LED: 2 - Red, 2 - Green
Power Supply
- Power-Supply: 5 Vdc
Dimensions
- LxW: 80mm x 100mm
