CLRC663 Datasheet, PDF (63/132 Pages) NXP Semiconductors – Contactless reader IC

NXP Semiconductors
CLRC663
Contactless reader IC
9.2 Command configuration
9.2.1 Command
Starts and stops command execution.
Table 47. Command register (address 00h)
Bit
7
6
5
4
Symbol Standby Modem
Off
RFU
Access
dy
r/w
-
rights
3
2
1
0
Command
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.
5
RFU
-
4 to 0
Command
Defines the actual command for the CLRC663.
9.3 SAM configuration register
9.3.1 HostCtrl
Via the HostCtrl Register the interface access right can be controlled
Table 49. HostCtrl register (address 01h);
Bit
7
6
5
Symbol
RegEn
BusHost
BusSAM
Access
dy
r/w
r/w
rights
4
RFU
-
3
SAMInterface
r/w
2
SAMInterface
r/w
1
RFU
-
0
RFU
-
Table 50.
Bit
7
6
5
4
3 to 2
1 to 0
HostCtrl bits
Symbol
RegEn
BusHost
BusSAM
RFU
SAMInterface
RFU
Description
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.
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.
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.
-
0h:Interface switched off
1h:Interface SPI active
2h:Interface I²CL active
3h:Interface I²C
-
CLRC663
Product data sheet
COMPANY PUBLIC
All information provided in this document is subject to legal disclaimers.
Rev. 3.3 — 3 April 2012
171133
© NXP B.V. 2012. All rights reserved.
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