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CLRC663 Arkusz danych(PDF) 32 Page - NXP Semiconductors

Numer części CLRC663
Szczegółowy opis  High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus
PDF  177 Pages
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Producent  NXP [NXP Semiconductors]
Strona internetowa  http://www.nxp.com
Logo NXP - NXP Semiconductors

CLRC663 Arkusz danych(HTML) 32 Page - NXP Semiconductors

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NXP Semiconductors
CLRC663
High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus
µC
Reader
T=1
I2C
I2C
aaa-002963
SAM
AV2.6
READER
IC
Figure 23. I2C interface enables convenient MIFARE SAM integration
8.4.5.2 SAM connection
The CLRC663 provides an interface to connect a SAM dedicated to the CLRC663. Both interface options of the
CLRC663, I2C, I2CL or SPI can be used for this purpose. The interface option of the SAM itself is configured by
a host command sent from the host to the SAM.
The I2CL interface is intended to be used as connection between two ICs over a short distance. The protocol
fulfills the I2C specification, but does support a single device connected to the bus only.
The SPI block for SAM connection is identical with the SPI host interface block.
The pins used for the SAM SPI are described in the following table:
SPI functionality
PIN
MISO
SDA2
SCL
SCL2
MOSI
IFSEL1
NSS
IFSEL0
Table 27. SPI SAM connection
8.4.6 Boundary scan interface
The CLRC663 provides a boundary scan interface according to the IEEE 1149.1. This interface allows testing
interconnections without using physical test probes. This is done by test cells, assigned to each pin, which
override the functionality of this pin.
To be able to program the test cells, the following commands are supported:
Value (decimal) Command
Parameter in
Parameter out
0
bypass
-
-
1
preload
data (24)
-
2
sample
-
data (24)
3
ID code (default)
-
data (32)
4
USER code
-
data (32)
5
Clamp
-
-
6
HIGH Z
-
-
7
extest
data (24)
data (24)
8
interface on/off
interface (1)
-
Table 28. Boundary scan command
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
32 / 177



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