UPD161622 NEC, UPD161622 Datasheet - Page 71

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

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5.14 Power ON/OFF
is shown below. Note that this sequence diffes depending on the chipset configuration and TFT-LCD panel used.
(1) Power ON sequence
An example of the standard power ON/OFF sequence in a chipset for driving a TFT-LCD panel that uses PD61622
Power supply control register 1 assignment
Power supply control register 2 assignment
Power supply control register 1 setting
Power supply control register 2 setting
Hard reset release (/RESET =H)
<Initial status setting sequence>
Reset register assignment
Hard reset (/RESET = L)
Reset register setting
Power ON
Data Sheet S15649EJ2V0DS
IR
R3
IR
R25
IR
R26
D
RS
D
RS
D
RS
D
RS
D
D
D
D
D
RS
D
RS
D
6
7
H
5
7
H
6
2
1
0
6
7
H
1
L
L
L
: Gate driver regulator OFF
: Power supply IC regulator OFF
: DC/DC converter OFF
to D
to D
to D
to D
to D
to D
to D
and D
0
0
0
0
3
0
0
D
D
D
D
D
D
D
D
D
D
D
D
are set in accordance with the usage conditions.
0
Index register
15
7
X
X
Reset register
15
7
X
X
Index register
15
7
X
X
Power supply control register 1
15
7
X
Index register
15
7
X
X
Power supply control register 2
15
7
X
are set in accordance with the usage conditions.
D
X
0
X
X
X
0
X
0
X
6
D
X
X
X
X
X
X
0
0
0
5
D
X
0
X
X
X
1
X
1
X
4
D
X
X
X
X
X
X
0
1
1
3
X
X
X
X
X
X
0
0
0
0
PD161622
D
X
X
X
X
X
1
0
0
1
1
D
D
D
D
D
D
D
D
D
D
D
D
D
8
0
X
8
0
X
8
0
X
8
0
8
0
X
8
0
1
1
1
0
0
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0