UPD161622 NEC, UPD161622 Datasheet - Page 77

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

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Caution This sequence is shown only for the purpose of illustrating the sequence up to when the power is
Power supply control register 1 assignment
Power supply control register 1 assignment
Power supply control register 1 setting
Power supply control register 1 setting
turned off, and is not meant for use in mass-prodution design. Note also that this sequence differs
depending on the configuration of the chipset and TFT-LCD module.
Hard reset (/RESET = L)
Wait time 3 (t
Power OFF
RGRP
)
Data Sheet S15649EJ2V0DS
IR
R25
IR
R25
D
RS
D
RS
D
D
D
D
Although a setting of 0 ns has no negative effect in terms of the
device, be sure to finalize the timing after sufficient evaluation
with the LCD module.
D
RS
D
RS
D
D
D
D
Do not need to input RESET in source driver, however, when
power off, system reset is set up to /RESET = L by timing DCON
(R25: D
5
7
H
6
2
1
0
5
7
H
6
2
1
0
L
L
: Gate driver regulator OFF
: Gate driver regulator OFF
: Power supply IC regulator OFF
: DC/DC converter ON
: Power supply IC regulator OFF
: DC/DC converter OFF
to D
to D
to D
to D
to D
to D
0
0
3
0
0
3
D
D
D
D
D
D
D
D
0
are set in accordance with the usage conditions.
are set in accordance with the usage conditions.
).
Index register
15
7
X
X
Power supply control register 1
15
7
X
Index register
15
7
X
X
Power supply control register 1
15
7
X
D
D
X
0
X
0
6
6
D
D
X
X
0
0
5
5
D
D
X
1
X
1
4
4
D
D
X
X
1
1
3
3
X
X
0
0
0
0
PD161622
X
X
0
0
0
0
D
D
D
D
D
D
D
D
8
0
X
8
0
8
0
X
8
0
1
1
1
0
77