NXP Semiconductors
PCA8538
Automotive 102 x 9 Chip-On-Glass LCD segment driver
15.2 Cascaded operation
In large display configurations, up to four PCA8538 can be distinguished on the same bus
by using the 2-bit hardware device addresses (A0 and A1).
Table 56.
Pin A1
0
0
1
1
Addressing cascaded PCA8538
Pin A0
0
1
0
1
Device
0 (master)
1 (slave)
2 (slave)
3 (slave)
15.2.1 Wiring backplane and segment outputs
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(1) Is master (OSC and A0 connected to VSS1).
(2) Is slave (OSC and A0 connected to VDD1).
Fig 61. Cascaded configuration with two PCA8538 with external VLCD and internal clock
PCA8538
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 26 September 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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