AS3911 datasheet(87/149 Pages) AMSCO

номер детали	AS3911

подробное описание детали	NFC Initiator / HF Reader IC

PDF	149 Pages

Scroll/Zoom	100%

производитель	AMSCO [ams AG]

домашняя страница	http://www.ams.com

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87 / 149 page

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

AS3911 – 87

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

Error and Wake-up Interrupt Register

Figure 73:

Error and Wake-up Interrupt Register

Note(s) and/or Footnote(s):

1. At power-up and after Set Default command, content of this register is set to 0

2. After Error and Wake-up Interrupt Register has been read, its content is set to 0

Address 19h: Error and Wake-up Interrupt Register

Type: R

Bit

Name

Default

Function

Comments

I_crc

CRC error

6I_par

Parity error

I_err2

Soft framing error

Framing error which does not

result in corrupted Rx data

I_err1

Hard framing error

Framing error which results in

corrupted Rx data

3I_wt

Wake-up interrupt

Timeout after execution of

Start Wake-up Timer

command

In case option with IRQ at

every timeout is selected

2I_wam

Wake-up interrupt due to

Amplitude Measurement

Result of Amplitude

Measurement was

Δam larger

than reference

1I_wph

Wake-up interrupt due to Phase

Measurement.

Result of Phase Measurement

was

Δpm larger than

reference

I_wcap

Wake-up interrupt due to

Capacitance Measurement

Result of Capacitance

Measurement was

Δcm larger

than reference

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