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PCA8530DUG/DAZ Datasheet(PDF) 59 Page - NXP Semiconductors

Part # PCA8530DUG/DAZ
Description  Automotive 102 x 4 Chip-On-Glass LCD segment driver
PDF  103 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA8530DUG/DAZ Datasheet(HTML) 59 Page - NXP Semiconductors

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PCA8530
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 2 — 25 September 2014
59 of 103
NXP Semiconductors
PCA8530
Automotive 102 x 4 Chip-On-Glass LCD segment driver
9.2.5 I2C-bus controller
The PCA8530 acts as an I2C-bus slave receiver. It does not initiate I2C-bus transfers. The
only data output from PCA8530 is the acknowledge signals and the temperature readout
byte of the selected device.
9.2.6 Input filters
To enhance noise immunity in electrically adverse environments, RC low-pass filters are
provided on the SDA and SCL lines.
9.2.7 I2C-bus slave address
Device selection depends on the I2C-bus slave address.
The least significant bit of the slave address byte is bit R/W (see Table 44).
Bit 1 and bit 2 of the slave address are defined by connecting the inputs SA0 and SA1 to
either VSS1 (logic 0) or VDD1 (logic 1). Therefore, four instances of PCA8530 can be
distinguished on the same I2C-bus.
Fig 36. Acknowledgement on the I2C-bus
Table 43.
I2C slave address byte
Slave address
Bit
7
MSB
6
5
4
3
2
1
0
LSB
slave address
0
1
1
1
0
SA1
SA0
R/W
Table 44.
R/W-bit description
R/W
Description
0
write data
1
read data



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