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PCF8545ATT Datasheet(PDF) 28 Page - NXP Semiconductors

Part # PCF8545ATT
Description  Automotive 18 횞 4 LCD segment driver
PDF  50 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8545ATT Datasheet(HTML) 28 Page - NXP Semiconductors

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NXP Semiconductors
PCA8561
Automotive 18 × 4 LCD segment driver
• R/W = 1 and register address
• read data
• read data
• :
• CE set HIGH
aaa-011954
display data
display data
AP[4:0]
R/W default
SCL
SDIO
CE
b7
1
b6
0
b5
0
b4
0
b3
0
b2
1
b1
0
b0
0
b7
1
b6
1
b5
1
b4
0
b3
0
b2
0
b1
0
b0
0
b7
0
b6
0
b5
1
b4
1
b3
0
b2
0
b1
0
b0
0
Data transfers are terminated by de-asserting CE (set CE to logic 1).
Figure 22. SPI-bus read example: reading two data bytes from registers 04h and 05h
10.3 EMC detection
The PCA8561 is ruggedized against EMC susceptibility; however it is not possible to
cover all cases. To detect if a severe EMC event has occurred, it is possible to check the
responsiveness of the device by reading its registers.
11 Internal circuitry
VSS
SCL, SDA, CE
VDD
VSS
RST
VDD
PORE, SDIO,
A0, A1, CLK
VSS
VSS
VLCD
COM0 to
COM3
SEG0 to
SEG17
aaa-012355
Figure 23. Device protection diagram
PCA8561
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 5 — 15 March 2021
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