Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

LCD Panel Controller Info

Anyone know where I can find the control data sheet for LCM-S01602DSR/C (the LCD panel on my Arria 2 dev board). The lumex website seems to just give me the physical info (which isnt all that h...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

--- Quote Start ---

Its already plugged into my dev board and wont be going anywhere else, so Im not too concerned about the pinout.

--- Quote End ---

Don't be so sure ...

I had to pull the LCD panel off my Stratix IV GX development kits. The designers forgot to check for voltage compatibility between the LCD and FPGA I/O. The 5V LCDs appear to have pullups on the input data buses, so these signals violate the voltage specification of the FPGA I/O pins when you read from the LCD.

The earlier DE2 boards also have this problem. My solution there was to drive the bus to 3.3V when in idle.

Just be warned :)

Cheers,

Dave