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

부품명 PCA2117DUGS/DA
상세설명  Automotive LCD driver for character displays
PDF  107 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
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PCA2117DUGS/DA 데이터시트(HTML) 67 Page - NXP Semiconductors

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PCA2117
All information provided in this document is subject to legal disclaimers.
© 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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