NXP Semiconductors
PCA85132
LCD driver for low multiplex rates
7.1.2 Command: load-data-pointer
The load-data-pointer command defines the display RAM address where the following
display data will be sent to.
Table 7. Load-data-pointer-MSB - command bit description
Bit
7 to 4
Symbol
-
Value
0000
Description
fixed value
3 to 0
P[7:4]
0000 [1]
to
defines the first 4 (most significant) bits of the
1001
data-pointer
the data-pointer indicates one of the 160 display RAM
addresses
[1]
Default value.
Table 8. Load-data-pointer-LSB - command bit description
Bit
7 to 4
Symbol
-
Value
0100
Description
fixed value
3 to 0
P[3:0]
0000 [1]
to
defines the last 4 (least significant) bits of the
1111
data-pointer
the data-pointer indicates one of the 160 display RAM
addresses
[1]
Default value.
7.1.3 Command: device-select
The device-select command allows defining the subaddress counter value.
Table 9. Device-select - command bit description
Bit
7 to 2
1 to 0
Symbol
-
A[1:0]
Value
111000
00 [1] to 11
Description
fixed value
defines one of four hardware subaddresses
[1]
Default value.
PCA85132
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 11 July 2013
? NXP B.V. 2013. All rights reserved.
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