Trying to figure out this display, that I acquired. No real plans for it. Just thought that it was pretty cool. The only thing I have going so far is the electroluminescent (EL) backlight.
Just using this to keep notes, as I learn more about it. Also open to suggestions and clues.
Numbers on white sticker:- 1C290503A320
- LMDDCS423C
Details on Board:
- (1) 2 pin power connector for EL backlight
- (2) 40 Pin Connector
- (1) OKI M6255 (MSM6255) Dot Matrix LCD Controller
- (4) Sanyo LC79401 Dot-Matrix LCD Drivers
- (3) Sanyo LC79430 Dot-Matrix LCD Drivers
- (2) MT62C256F-70LL
- (2) 74HC245D CMOS OCTAL BUS TRANSCEIVER
Possible Board details on 40 PIN Connector:
- Pin 09: Power 5V or 3.3V?
- Pin 10: Power 5V or 3.3V?
- Pin 11: Ground
- Pin 12: Ground
Board details about MSM625:
White sticker with the following text:
- D1C202A1O
- M423-GB
Memory Address inputs:
- A0 is...
- A1-A15 (Memory Address inputs) are all tied together, and held low.
- DB0-DB7 (Data Bus) all feed into 74HC245D.
Board details about LCD Drivers:
The combination of the LC79401 & LC79430 tells me that it is possibly 320x240 pixels.
Pictures:
Front:
Back:
Powered EL:
References:
