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PCA2117DUGS/DA Datasheet(PDF) 67 Page - NXP Semiconductors

Part # PCA2117DUGS/DA
Description  Automotive LCD driver for character displays
PDF  107 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA2117DUGS/DA Datasheet(HTML) 67 Page - NXP Semiconductors

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PCA2117
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© NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet
Rev. 4 — 8 April 2015
67 of 107
NXP Semiconductors
PCA2117
Automotive LCD driver for character displays
9.2.5 I2C-bus controller
The PCA2117 acts as an I2C-bus slave. It does not initiate I2C-bus transfers.
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.
Two different I2C-bus slave addresses can be used to address the PCA2117 (see
Table 41).
The least significant bit of the slave address byte is bit R/W (see Table 42).
Bit 1 of the slave address is defined by connecting the input SA0 to either VSS1 (logic 0) or
VDD1 (logic 1). Therefore, two instances of PCA2117 can be distinguished on the same
I2C-bus.
Fig 49. Acknowledgement on the I2C-bus
Table 41.
I2C slave address byte
Slave address
Bit
7
6
5
4
3
2
1
0
MSB
LSB
slave address
0
1
1
1
0
1
SA0
R/W
Table 42.
R/W-bit description
R/W
Description
0
write data
1
read data



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