[PIC] GLCD interfacing with pic16f1527 using port expander

[nicsjasani]

hi all,
i am trying to interfacing GLCD with pic16f1527 using port expander .
i have sent data to the port expander but i did not get it on lcd . So how can i done it ? anybody can help me??

 

[wp100]

Hi,

You need to say what Glcd and Port Expander you are using plus your program code to show what you are doing.

Find it strange that you are using a port expander with a that Pic chip which has so many I/O pins ?
Most modern glcds use 4 wires using I2c or SPI protocol.