Single Board Computing System
Product Details:
Microcontroller: P89C51RD2HBP/AT89c51Main Crystal: 11.0592MHzProgram Flash Memory (Internal): 64kBytesRAM Memory (Internal): 1KbytesExternal ROM: 32KBExternal RAM: 32KB32 pin digital IO terminated on four numbers of 10 pin FRC Male header 16 dip switches 4 seven segment LED display 16*2 LCD module 16 numbers of LED lamps RS232 on D9 Female connectorInbuilt Power-Supply: 5V, 12V,-12VPS/2 Keyboard interfaceAssembler Dissembler inbuilt
SOFTWARE SPECIFICATIONSPS/2 Keyboard interfaceSimple menu operated commands, easy to useBuilt in Inline assembler for entering programs as mnemonicsDisassembler to examine the programsSingle stepping and Break point feature to debug programCommands to enable disable and edit break pointsDisassembled display in single step and Break point to ease debuggingRemembers starting and ending addresses of move and fill commands when repeat the commandView/Modify command to edit contents of RAM locationFill command to fill RAM locations with a particular dataMove command Move a block of data from a location to another location.
OPTIONAL  features inbuilt but at extra cost  as follows8 channel ADC* DAC *Stepper motor controller *In circuit programming via boot loader using USB port