PCA85162 Datasheet, PDF (23/46 Pages) NXP Semiconductors – Universal LCD driver for low multiplex rates

NXP Semiconductors
PCA85162
Universal LCD driver for low multiplex rates
Table 14. Bank-select command bit description
Bit
Symbol Value
Description
Static
1:2 multiplex^[1]
7
C
0, 1
see Table 10
6 to 2 -
11110
fixed value
1
I
input bank selection; storage of arriving display data
0
RAM bit 0
RAM bits 0 and 1
1
RAM bit 2
RAM bits 2 and 3
0
O
output bank selection; retrieval of LCD display data
0
RAM bit 0
RAM bits 0 and 1
1
RAM bit 2
RAM bits 2 and 3
[1] The bank-select command has no effect in 1:3 and 1:4 multiplex drive modes.
Table 15. Blink-select command bit description
Bit
Symbol Value
Description
7
C
0, 1
see Table 10
6 to 3 -
111 0
fixed value
2
AB
blink mode selection
0
normal blinking^[1]
1
alternate RAM bank blinking^[2]
1 to 0 BF[1:0]
blink frequency selection
00
off
01
1
10
2
11
3
[1] Normal blinking is assumed when the LCD multiplex drive modes 1:3 or 1:4 are selected.
[2] Alternate RAM bank blinking does not apply in 1:3 and 1:4 multiplex drive modes.
7.13 Display controller
The display controller executes the commands identified by the command decoder. It
contains the device’s status registers and coordinates their effects. The display controller
is also responsible for loading display data into the display RAM in the correct filling order.
PCA85162
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 16 June 2011
© NXP B.V. 2011. All rights reserved.
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