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CLRC663 Datasheet(PDF) 63 Page - NXP Semiconductors

Part No. CLRC663
Description  Contactless reader IC
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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CLRC663 Datasheet(HTML) 63 Page - NXP Semiconductors

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CLRC663
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.3 — 3 April 2012
171133
63 of 132
NXP Semiconductors
CLRC663
Contactless reader IC
9.2 Command configuration
9.2.1 Command
Starts and stops command execution.
9.3 SAM configuration register
9.3.1 HostCtrl
Via the HostCtrl Register the interface access right can be controlled
Table 47.
Command register (address 00h)
Bit
7
6
5
4
3
2
1
0
Symbol
Standby
Modem
Off
RFU
Command
Access
rights
dy
r/w
-
dy
Table 48.
Command bits
Bit
Symbol
Description
7
Standby
Set to 1, the IC is entering power-down mode.
6
ModemOff
Set to logic 1, the receiver and the transmitter circuit is powering down.
5RFU
-
4 to 0
Command
Defines the actual command for the CLRC663.
Table 49.
HostCtrl register (address 01h);
Bit
7
6
5
4
3
2
1
0
Symbol
RegEn
BusHost
BusSAM
RFU
SAMInterface
SAMInterface
RFU
RFU
Access
rights
dy
r/w
r/w
-
r/w
r/w
-
-
Table 50.
HostCtrl bits
Bit
Symbol
Description
7
RegEn
If this bit is set to logic 1, the register can be changed at the next
register access. The next write access clears this bit automatically.
6
BusHost
Set to logic 1, the bus control enables the host interface. This bit
cannot be set together with BusSAM. This bit can only be set if the bit
RegEn was previously set.
5
BusSAM
Set to logic 1, the bus control enables the SAM interface. This bit
cannot be set together with BusHost. This bit can only be set if the bit
RegEn is previously set.
4RFU
-
3 to 2
SAMInterface
0h:Interface switched off
1h:Interface SPI active
2h:Interface I2CL active
3h:Interface I2C
1 to 0
RFU
-


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