UPD161622 NEC, UPD161622 Datasheet - Page 69

• Manufacturer Part Number: UPD161622
• Description: 396 OUTPUT TFT-LCD SOURCE DRIVER
• Manufacturer: NEC

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(2) Returning to 65,000-color display mode sequence
Previous statement (8-color display mode)
X address register assignment
Y address register assignment
Control register 1 assignment
<Data overwrite sequence>
X address register setting
Y address register setting
Control register 1 setting
Data Sheet S15649EJ2V0DS
IR
R0
IR
R6
IR
R7
D
RS
D
RS
D
D
D
D
D
D
D
In 8-color display mode, the value of the MSB of each dot date in
the internal display RAM is used as the color data, making it
necessary to overwrite the display RAM data when returning to
65,000-color display mode from 8-color display mode.
D
RS
D
RS
X address: 00H
D
RS
D
RS
Y address: 00H
6
7
H
7
6
4
3
2
1
5
6
7
H
6
7
H
L
L
L
: Normal display
: All data “0” output (normally white: black output)
: Normal display mode (not partial display mode)
: Stand-by OFF
: 8-color display mode
: Normal power mode
to D
to D
is set in accordance with the usage conditions.
to D
to D
to D
to D
0
0
0
0
0
0
D
D
D
D
D
D
D
D
D
D
D
D
Index register
15
7
X
X
Control register
15
7
X
Index register
15
7
X
X
X address register
15
7
X
Index register
15
7
X
X
Y address register
15
7
X
0
0
0
X
0
X
0
X
0
X
0
X
0
X
0
D
X
X
X
X
X
X
0
0
0
0
0
1
5
X
0
X
0
X
0
X
0
X
0
X
0
X
X
X
X
X
X
0
0
0
0
0
0
X
X
X
X
X
X
0
1
1
0
1
0
PD161622
D
X
X
X
X
X
X
0
1
0
1
0
1
D
D
D
D
D
D
D
D
D
D
D
D
8
0
X
8
0
X
8
0
X
8
0
X
8
0
X
8
0
X
0
0
0
0
1
0
69