PCA8534AH-Q900 NXP [NXP Semiconductors], PCA8534AH-Q900 Datasheet - Page 32

• Manufacturer Part Number: PCA8534AH-Q900
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
12. Application information
PCA8534A_2
Product data sheet
12.1 Cascaded operation
Large display configurations of up to 16 PCA8534A can be recognized on the same
I
I
Table 19.
If cascaded PCA8534A are synchronized, they can share the backplane signals from one
of the devices in the cascade. This is cost-effective in large LCD applications because the
backplane outputs of only one device need to be through-plated to the backplane
electrodes of the display. The other PCA8534A in the cascade contribute additional
segment outputs but their backplane outputs are left open-circuit (see
Cluster
1
2
2
2
C-bus by using the 3-bit hardware subaddress (A0, A1, and A2) and the programmable
C-bus slave address (SA0).
Addressing cascaded PCA8534A
Bit SA0
0
1
All information provided in this document is subject to legal disclaimers.
Rev. 02 — 1 June 2010
Pin A2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Universal LCD driver for low multiplex rates
Pin A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Pin A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
PCA8534A
Figure
© NXP B.V. 2010. All rights reserved.
Device
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
22).
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