PCA9620H NXP [NXP Semiconductors], PCA9620H Datasheet - Page 18

• Manufacturer Part Number: PCA9620H
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCA9620
Product data sheet
7.3.3 Recommended power-down sequences
With the following sequences the PCA9620 can be set to a state of minimum power
consumption, called power-down mode.
Fig 9.
Fig 10. Recommended power-down sequence for minimum power-down current when
Recommended start-up sequence when using an external supplied V
external clock signal
using the internal charge pump and the internal clock signal
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 9 December 2010
OTP-refresh
V
same time
Wait 1 ms
command
Initiate an
Power-on
and V
DD1
Initialize
START
at the
, V
LCD
DD2
play by setting
perature mea-
,
Stop genera-
Disable tem-
by setting bit
surement by
bit E logic 0
tion of V
TME logic 0
Disable dis-
CPE logic 0
setting bit
START
STOP
Universal LCD driver for low multiplex rates
013aaa253
LCD
Apply external
displayed and
content to be
clock signal
set OSC bit
to pin CLK;
Write RAM
enable the
display
logic 1
STOP
013aaa252
PCA9620
© NXP B.V. 2010. All rights reserved.
LCD
and an
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