8051 DUAL UART Board P89c669 Based
P89C669 BASED

INTRODUCTION:
With this board you can develop and prototype with any of 8051 40 pin microcontrollers RTC based Clock, DS1307 is Dallas RTC Chip I2C based . The board have User button and status LED. The bridge rectifire allow this board to be powered with both AC and DC power supply adapters.

FEATURES:

• DIL40 microcontroller socket
• Quartz crystall 11.05892 Mhz
• PBT Switches for Inputs
• DIL8 RTC socket
• Buzzer for Alarm
• Reset button
• Power plug-in jack
• LCD Display Interfaced
• GND bus
• Vcc bus.
• Four mounting holes 3,3 mm (0,13")

HARDWARE:
AVR/40P BRD schematic

SOFTWARE:
* Blink LED demo code (C source and HEX)