PCA85133 NXP [NXP Semiconductors], PCA85133 Datasheet - Page 23

• Manufacturer Part Number: PCA85133
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCA85133_1
Product data sheet
7.17 Command decoder
The command decoder identifies command bytes that arrive on the I
commands available to the PCA85133 are defined in
Table 9.
Table 10.
[1]
Table 11.
See
Table 12.
See
Command
Bit
mode-set
load-data-pointer
device-select
bank-select
blink-select
Bit
7 to 4
3
2
1 to 0
Bit
7
6 to 0
Bit
7 to 3
2 to 0
The possibility to disable the display allows implementation of blinking under external control.
Section
Section
Symbol
-
E
B
M[1:0]
Symbol
-
P[6:0]
Symbol
-
A[2:0]
Definition of commands
Mode-set command bit description
Load-data-pointer command bit description
Device-select command bit description
7.11.
7.12.
Value
1100
0
1
0
1
01
10
11
00
Value
0
0000000 to
1001111
Value
11100
000 to 111
Rev. 1 — 23 October 2009
Operation code
7
1
0
1
1
1
6
1
P6
1
1
1
Description
fixed value
display status
LCD bias configuration
LCD drive mode selection
Description
fixed value
7-bit binary value of 0 to 79, transferred to the data pointer to
define one of 80 display RAM addresses
Description
fixed value
3-bit binary value of 0 to 7, transferred to the subaddress
counter to define one of 8 hardware subaddresses
disabled (blank)
enabled
1
1
static; 1 backplane
1:2 multiplex; 2 backplanes
1:3 multiplex; 3 backplanes
1:4 multiplex; 4 backplanes
3
2
5
0
P5
1
1
1
bias
bias
Universal LCD driver for low multiplex rates
4
0
P4
0
1
1
[1]
3
E
P3
0
1
0
Table
2
B
P2
A2
0
A
9.
1
M1
P1
A1
I
BF1
PCA85133
2
C-bus. The
© NXP B.V. 2009. All rights reserved.
0
M0
P0
A0
O
BF0
Reference
Table 10
Table 11
Table 12
Table 13
Table 14
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