CLRC663 datasheet(63/132 Pages) NXP | Contactless reader IC

Part No.	CLRC663

Description	Contactless reader IC

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Manufacturer	NXP [NXP Semiconductors]

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CLRC663

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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

RFU

Access

rights

dy

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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