T89C51 Training Board - Technical Data

Microcontroller

• Microcontroller: 89C51RC2
• Manufacturer: Atmel / Microchip
• Main Crystal: 18.432MHz
• Speed: 18.432MHz
• Processor Language: 8051

Memory

• Program Flash Memory (Internal): 32kBytes
• RAM Memory (Internal): 1kByte
• EEPROM Memory (External): 64kBytes (24LC512 Optional)

Input/Output

• I/O Points Available: 32 + 8
• I/O Points Connection: 34 + 10 Way IDCC Connectors
• LCD Connection: 14 Way IDCC Connector with Trimpot Contrast Adjustment
• I²C Expansion Connection: 10 Way IDCC Connector
• PWM0/PWM1/PWM2/PWM3 Connection: 3 Way Polarized Connector
• RS232 Connection: 4 Way Polarized Connector
• RS422/RS485 Connection: 6 Way Polarized Connector

Clocks/Timers

• Real Time Clock: PCF8583 (Optional)
• Real Time Clock Crystal: 32.7kHz
• Battery Back-Up: Yes - 1.5V Watch Battery (Optional)

Communication

• 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
• Programming LED: Yes
• Test LED: Yes - Yellow
• Reset Button: Yes
• PSEN Button: Yes
• Speaker: Yes
• Relay Socket: Yes

Power Supply

• Power-Supply: 9 - 12 Vdc

Dimensions

• LxWxH: 155mm x 90mm x 42mm

Parts Supplied

• Included Parts: T89C51 Training Board, Download Cable, Download Software, Manual on CD, Examples and Sample Code, Datasheets on CD.

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