28-03-2014, 07:05 PM
We connect first four pins of the microcontroller Port 2 to the 7447 and the Output 8 pins of 7447 to the 8 legs of the LED as shown in the figure.
The number required to display is sent as the lower nibble of the Port 2 of the Microcontroller.
The 7447 converts the four input bits (BCD) to their corresponding 7-segment codes.
The number required to display is sent as the lower nibble of the Port 2 of the Microcontroller.
The 7447 converts the four input bits (BCD) to their corresponding 7-segment codes.
