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CLRC663 Datasheet(PDF) 26 Page - NXP Semiconductors

Part # CLRC663
Description  High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus
PDF  177 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

CLRC663 Datasheet(HTML) 26 Page - NXP Semiconductors

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NXP Semiconductors
CLRC663
High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus
001aam298
A0
A1
Sa
A2
A3
TX
RX
A4
A5
A6
RD/
NWR
So
D0
DATA
ADDRESS
D1
Sa
D2
D3
D4
D5
D6
D7
So
Figure 14. Example for UART Read
Write data:
To write data to the CLRC663 using the UART interface, the following sequence has to be used.
The first send byte defines both, the mode itself and the address.
Mode
byte 0
byte 1
RX
address 0
data 0
TX
address 0
Table 25. Byte Order to Write Data
001aam299
A0
A1
Sa
A2
A3
TX
RX
A4
A5
A6
RD/
NWR
So
A0
ADDRESS
ADDRESS
A1
Sa
A2
A3
A4
A5
A6
RD/
NWR
So
D0
DATA
D1
Sa
D2
D3
D4
D5
D6
D7
So
Figure 15. Example diagram for a UART write
Remark: Data can be sent before address is received.
8.4.4 I2C-bus interface
8.4.4.1 General
An Inter IC (I2C) bus interface is supported to enable a low cost, low pin count serial bus interface to the host.
The implemented I2C interface is mainly implemented according to the NXP Semiconductors I2C interface
specification, rev. 3.0, June 2007. The CLRC663 can act as a slave receiver or slave transmitter in standard
mode, fast mode and fast mode plus.
CLRC663
All information provided in this document is subject to legal disclaimers.
© 2024 NXP B.V. All rights reserved.
Product data sheet
Rev. 5.3 — 3 January 2024
26 / 177



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