PCA9620H NXP [NXP Semiconductors], PCA9620H Datasheet - Page 15

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

NXP Semiconductors
PCA9620
Product data sheet
10. The internal V
11. The V
12. The display is disabled.
Remark: Do not transfer data on the I
the reset action to complete.
The first command sent to the device after the power-on event must be the initialize
command (see
After Power-On Reset (POR) and before enabling the display, the RAM content should be
brought to a defined status
otherwise unwanted display artifacts may appear on the display.
Table 25.
Bits labeled - are undefined at power-on.
Command name
initialize
OTP-refresh
oscillator-ctrl
charge-pump-ctrl
temp-msr-ctrl
temp-comp-SLA
temp-comp-SLB
temp-comp-SLC
temp-comp-SLD
set-VPR-MSB
set-VPR-LSB
display-enable
set-MUX-mode
set-bias-mode
load-data-pointer
frame-frequency
input-bank-select
output-bank-select
write-RAM-data
temp-read
invmode_CPF_ctrl
temp-filter
9. Temperature filter is disabled.
•
•
by clearing it (setting it all logic 0) or
by writing meaningful content (e.g. a graphic)
LCD
Reset states
temperature compensation is enabled.
Section 7.1.1 on page
All information provided in this document is subject to legal disclaimers.
LCD
Rev. 1 — 9 December 2010
voltage generation is disabled. The charge pump is switched off.
Bits
7
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
0
0
0
-
0
1
1
0
0
0
1
0
6
1
1
1
1
0
0
0
0
1
1
0
1
0
-
1
1
1
2
5).
C-bus for at least 1 ms after a power-on to allow
5
1
0
0
0
0
0
1
1
1
0
0
1
0
0
0
1
0
0
-
0
0
0
Universal LCD driver for low multiplex rates
4
1
1
0
0
0
1
0
0
1
0
1
1
0
0
0
0
0
1
-
0
1
1
3
1
0
1
0
1
1
0
1
0
0
0
1
0
0
0
1
1
0
-
0
0
0
0
0
2
0
0
1
0
0
0
0
0
0
0
0
0
0
1
1
0
-
0
1
0
PCA9620
© NXP B.V. 2010. All rights reserved.
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
-
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
-
0
0
0
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