AS3911 datasheet(83/149 Pages) AMSCO

83 / 149 page

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

AS3911 – 83

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

Mask Timer and NFC Interrupt Register

Figure 69:

Mask Timer and NFC Interrupt Register

Note:

Default setting is set at power-up and after Set Default command.

Address 15h: Mask Timer and NFC Interrupt Register

Type: RW

Bit

Name

Default

Function

Comments

7M_dct

Mask IRQ due to termination of

direct command

M_nre

Mask IRQ due to No-response

timer expire

M_gpe

Mask IRQ due to general purpose

timer expire

M_eon

Mask IRQ due to detection of

external field higher than Target

activation level

3M_eof

Mask IRQ due to detection of

external field drop below Target

activation level

M_cac

Mask IRQ due to detection of

collision during RF Collision

Avoidance

M_cat

Mask IRQ after minimum guard

time expire

0M_nfct

Mask IRQ when in target mode

the initiator bit rate was

recognized

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