so, I've made measurements on the board, and by viewing the signals on the oscilloscope, I've come up with this : pins 1 and 2 are Vcc and Vss, pins 3,4,5 and 6 are the "mystery" pins and 7, 8 are + / - for the backlight. Now, for the "mystery" pins, I have 2 of them that are under continuous voltage and the other 2 that are under pulse voltage, respectively one clock and one random pulse, in synch with the clock - meaning SCL / SDA (in my opinion..). The other 2 pins could be Enable and Contrast. Now, the problem is that I don't know the steps in coding the driver for a serial display (this one in particular).. Does anyone have any idea ?.. I'm pretty enthusiastic that I'm very close in cracking it and it would make for a nice display to scrap Reinforcing the suggestion above that its likely to be a SPI. Clock, data, chip select, and possibly RS or Vo.
So if it's SPI then wont the LCD need to be in SPI as well?
So, a few days ago I found the display again, sitting in a drawer..Hi, I know this thread is old, but maybe someone's still interested in figuring it out..
so, resuming what I found out last time, there was :Do you remember wich was the pin that showed up in the yellow channel (from your picture) ? I only managed to find out wich was SCL and SDA, but the yellow channel from your picture looks like a CSEL..
