HD66789 Datasheet, PDF (65/156 Pages) Renesas Technology Corp – 528-channel, One-chip Driver for Amorphous TFT Panels with 262,144-color display RAM, Power Supply Circuit, and Gate Circuit

HD66789
Gate Scan Position (R40h)
Preliminary
R/W RS
W1
IB15 IB14 IB13 IB12 IB11 IB10 IB9 IB8 IB7 IB6 IB5 IB4 IB3 IB2 IB1 IB0
0 0 0 0 0 0 0 0 0 0 0 SCN4 SCN3 SCN2 SCN1 SCN0
SCN4-0: Specify the position where the gate driver scan starts. Make an optimum setting for the gate
driver in use.
SC Bits and Gate scan start position
SCN4
0
0
0
.
.
1
1
1
SCN3
0
0
0
.
.
1
1
1
SCN2
0
0
0
.
.
0
0
1
SCN1
0
0
1
.
.
1
1
0
SCN0
0
1
0
.
.
0
1
0
Scan Start Position
GS = 0
GS = 1
G1
G240
G9
G232
G17
G224
.
.
.
.
G209
G32
G217
G24
G225
G16
G1
G1
G57
G176
G240
G232
GS = 0
NL = 10101
SCM4-0 = 00000
GS = 0
NL = 10101
SCM4-0 = 00111
Note: Set the value “NL + end position of the gate scan” does not exceed 240 raster-rows or more.
Rev.0.12, May 09 2003, page 65 of 156