Microcontroller: 89C5131
Main Crystal: 24.000MHz
Speed: 24.000MHz
Processor Language: 8051
Memory
Program Flash Memory (Internal): 32kBytes
RAM Memory (Internal): 1kByte
EEPROM Memory (Internal): 4kBytes
EEPROM Memory (External): 64kBytes (24LC512 Optional)
Input/Ouput
I/O Points Available: 34
I/O Points Connection: 34 Way IDCC Connectors
I2C Expansion Connection: 10 Way IDCC Connector
USB Connection: Standard USB Connector + 5 Way Polarized Connector
RS232 Connection: 4 Way Polarized Connector
RS422/RS485 Connection: 6 Way Polarized Connector
Clocks
Real Time Clock: DS1307 (Optional)
Real Time Clock Crystal: 32.7kHz
Battery Back-Up: Yes - 1.5V Watch Battery (Optional)
Communication
USB Communication: Yes - 1 Channel
RS232 Communication: Yes - 1 Channel
RS422 Communication: Yes - (75176 Optional)
RS485 Communication: Yes - (75176x2 Optional)
Ancillary Features
In-Circuit Programming: Yes
Power-On LED: Yes - Red
USB Power LED: Yes - Green
ALE LED: Yes - Yellow
Reset Button: Yes
PSEN Button: Yes
Interrupt Button: Yes
USB On/Off Switch: Yes
Power Supply
Power-Supply: 9 - 12 Vdc
Dimensions
LxWxH: 155mm x 90mm x 42mm
Parts Supplied
Included Parts: USB Development Board, USB Connection Cable, Download Software, Manual on CD, Examples and Sample Code,
Data Sheets on CD.