
Epson Research and Development
Page 9
Vancouver Design Center
LCD Panel Options / Memory Requirements
SED1352
Issue Date: 98/10/08
X16-AN-005-07
3.1.2 Register Settings
AUX[00h] = 0000 0000
not in test mode
AUX[01h] = 1001 0011
4-bit single panel, 4 gray shades, 8-bit display memory interface with 32K bytes is the first chip
AUX[02h] = 1001 1111
horizontal resolution = 640 ; 4 gray shades = 4 pixels per byte ; 4 pixels per fetch
AUX[03h] = 0000 0000
not in power save modes
AUX[04h] = 1110 1111
total 240 scan lines
AUX[05h] = 0000 0000
WF = 0
AUX[06h] = 0000 0000
AUX[07h] = 0000 0000
default starting address at 0000h (with AUX[06h])
AUX[08h] = xxxx xxxx
don’t care when not using split screen
AUX[09h] = xxxx xxxx
don’t care when not using split screen
AUX[0Ah] = 1110 1111
together with AUX[0Bh] bit1-0, should be the same as or larger than AUX[05h] bit1-0 and
AUX[0Bh] = xxxx xx00
AUX[04h] when not using split screen
AUX[0Dh] = 0000 0000
no virtual screen
Example setting of Look-up Table when using bank# 0 for display:
AUX[0Eh] = 00xx 0000
index = 0
AUX[0Fh] = xxxx 0000
gray = 0
AUX[0Eh] = 00xx 0001
index = 1
AUX[0Fh] = xxxx 0101
gray = 5
AUX[0Eh] = 00xx 0010
index = 2
AUX[0Fh] = xxxx 1010
gray = A
AUX[0Eh] = 00xx 0011
index = 3
AUX[0Fh] = xxxx 1111
gray = F
x = don’t care