Digital IC

TesterTesterReview-2

Sameera

Simrit

Sudha

Yamini

Overall Status

All components acquired and tested

Interfacing of keypad completed

IC (74LS32 OR gate) tested IC (74LS32 OR gate) tested

LCD Interfacing completed

Block Diagram

Keypad The columns are

toggled to correctly

identify the pressed

keykey

4:1 Mux

Select lines A,B

connected to P2.6

and P2.7and P2.7

Strobe /1G is

connected to ground

Outputs from tested

IC are connected to

1C0-1C3

Interfacing diagram

EDE702 LCD Interface IC

Interface Diagram

Interfacing LCD with MSP

LCD Output

To Do

Multiplexing the operation of keypad and

IC testing

Integrating with the LCD display Integrating with the LCD display