hd66789 Renesas Electronics Corporation., hd66789 Datasheet - Page 65

• Manufacturer Part Number: hd66789
• Description: 528-channel, One-chip Driver For Amorphous Tft Panels With 262,144-color Display Ram, Power Supply Circuit, And Gate Circuit
• Manufacturer: Renesas Electronics Corporation.

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