AS3911 datasheet(65/149 Pages) AMSCO

65 / 149 page

ams Datasheet, Confidential: 2013-Oct [2-03]

AS3911 – 65

Appl icatio n I n f o rm a t i o n

Operation Control Register

Figure 42:

Operation Control Register

Note:

Default setting is set at power-up only.

Address 02h: Operation Control Register

Type: RW

Bit

Name

Default

Function

Comments

7en

1: Enables oscillator and

regulator (Ready mode)

6rx_en

1: Enables Rx operation

5rx_chn

0: Both, AM and PM, channels

enabled

1: One channel enabled

In case only one Rx channel is

enabled, selection is done by

the Receiver Configuration

4rx_man

0: Automatic channel selection

1: Manual channel selection

In case both Rx channels are

enabled, it chooses the method

of channel selection, manual

selection is done by the

Receiver Configuration

3tx_en

1: Enables Tx operation

This bit is automatically set by

NFC Field ON commands and

reset in NFC active

communication modes after

transmission is finished

2wu

1: Enables Wake-up mode

According to settings in

Wake-up Timer Control

Not used

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