PCA9620H/Q900/1,51 NXP Semiconductors, PCA9620H/Q900/1,51 Datasheet - Page 17

• Manufacturer Part Number: PCA9620H/Q900/1,51
• Description: LCD Drivers 480 SEGMENT LCD SEGMENT DRIVER
• Manufacturer: NXP Semiconductors

Specifications of PCA9620H/Q900/1,51

• Number Of Segments: 60
• Maximum Clock Frequency: 14500 Hz
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 105 C
• Package / Case: LQFP-80
• Maximum Supply Current: 200 uA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935291899518

NXP Semiconductors
PCA9620
Product data sheet
Fig 7.
Fig 8.
(1) The external clock signal can be applied after the generation of the V
(2) This time depends on the external capacitor on pin V
(3) RAM data may be written before or during the ramp-up of V
Recommended start-up sequence when using an external supplied V
Recommended start-up sequence when using the internal charge pump and an
internal clock signal
to 15 ms is expected.
external clock signal
All information provided in this document is subject to legal disclaimers.
V
OTP-refresh
same time
Wait 1 ms
command
Power-on
V
Initiate an
DD2
Rev. 1 — 9 December 2010
Initialize
START
DD1
at the
and
V
same time
and V
Wait 1 ms
command
Power-on
DD1
Initialize
START
at the
, V
LCD
DD2
,
Apply external
desired V
multiplication
charge pump
and enable it
clock signal
set OSC bit
to pin CLK;
register to
logic 1
factor for
Set VPR
value
Set
Universal LCD driver for low multiplex rates
(1)
LCD
displayed and
content to be
OTP-refresh
LCD
Write RAM
Initiate an
enable the
display
STOP
. For a capacitor of 100 nF a delay of 5 ms
013aaa250
displayed and
V
content to be
LCD
programmed
Write RAM
LCD
enable the
display
value
Wait till
STOP
.
013aaa251
reaches
(2)
(3)
LCD
voltage as well.
(1)
PCA9620
© NXP B.V. 2010. All rights reserved.
LCD
and the
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