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PCF8545ATT/A 数据表(PDF) 8 Page - NXP Semiconductors

部件名 PCF8545ATT/A
功能描述  Universal LCD driver for multiplex rates up to 1:8
PDF  72 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF8545ATT/A 数据表(HTML) 8 Page - NXP Semiconductors

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PCF8545
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 1 — 13 November 2013
8 of 72
NXP Semiconductors
PCF8545
Universal LCD driver for multiplex rates up to 1:8
8.1.3 Command: mode-settings
[1]
Default value.
[2]
See Section 8.1.3.2.
8.1.3.1
Backplane swapping
Backplane swapping can be configured with the BPS bit (see Table 8). It moves the
location of the backplane and the associated segment outputs from one side of the
PCF8545 to the other. Backplane swapping is sometimes desirable to aid with the routing
of PCBs that do not use multiple layers.
The BPS bit has to be set to the required value before enabling the display. Failure to do
so does not damage the PCF8545 or the display, however unexpected display content
may appear.
Table 7.
OTP-refresh - OTP-refresh command bit description
Bit
Symbol
Value
Description
7 to 0
-
11110000
fixed value
Table 8.
Mode-settings - mode settings command bit description
Bit
Symbol
Value
Description
7 to 4
-
0101
fixed value
3
BPS
backplane swapping
0[1]
backplane configuration 0
1
backplane configuration 1
2INV
set inversion mode
0[1][2]
Driving scheme A: LCD line inversion mode
1
Driving scheme B: LCD frame inversion mode
1PD
set power mode
1
power-down mode; backplane and segment
outputs are connected to VSS and the internal
oscillator is switched off
0[1]
power-up mode
0E
display switch
0[1]
display disabled; backplane and segment
outputs are connected to VSS
1
display enabled



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