ADuC842 Controller Board - Technical

Microcontroller

• Microcontroller: ADuC842
• Manufacturer: Analog Devices
• Main Crystal: 32.768kHz
• Speed: up to 20MHz
• Processor Language: 8052

Memory

• Program Flash Memory (Internal): 62kBytes
• RAM Memory (Internal): 2304 Bytes
• EEPROM Memory (Internal): None
• EEPROM Memory (External): I²C Connection - Up to 8 x 24LC256 or equivalent

Input/Output

• I/O Points Available: 32
• I/O Points Connection: 10 pin Shrouded IDCC Male Heafer

A/D

• A/D: Yes - 8 Channel, 12-bit
• A/D Speed: Up to 420kSPS

D/A

• D/A: Yes - 2 Channel, 12-bit

Clocks/Timers

• Real Time Clock: Yes - DS1307 (Optional)
• Timers: Yes - Timer Interval Counter
• PWM: Yes - Two Outputs

Communication

• RS232 Communication: Yes
• I²C Communication: Yes
• SPI Communication: Yes
• RS422/RS485 Communication: Yes

Ancillary Features

• In-Circuit Programming: Yes
• Power-On Led: Yes - Red
• Programmable Function Led: Yes - Green
• PSEN Button: Yes
• Reset Button: Yes

Power Supply

• Power-Supply: 9 - 12 Vdc

Dimensions

• LxWxH: 155mm x 90mm x 42mm

Parts Supplied

• Included Parts: ADuC842 Controller Board, RS232 Cable, Download Software, Manual on CD, Examples and Sample Code, Datasheets on CD.

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