Keil Logo

Technical Data

Parameter Description
Supply Voltage 8V - 12V DC
Supply Current 300 mA typical
XTAL Frequency 12 MHz (allows up to a 24 MHz CPU clock)
Memory 256 Kbytes RAM
128 Kbytes Monitor EPROM
(optional:256 Kbytes User EPROM)
Microcontroller Intel 80C251SB or Atmel AT/TSC80251G1D/G2D
Classic 8051 devices, like 80C32, 8xC51FC
Enhance 8051 devices like 8xC51Rx2, NXP 8xC664
Dallas 320/420/520
Peripherals 2 × RS232 Interfaces
Board Size 100mm x 160mm (3.95" x 6.3").
  Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.

Change Settings

Privacy Policy Update

Arm’s Privacy Policy has been updated. By continuing to use our site, you consent to Arm’s Privacy Policy. Please review our Privacy Policy to learn more about our collection, use and transfers
of your data.