ST25R3918 datasheet(92/141 Pages) STMICROELECTRONICS

92 / 141 page

Application information

ST25R3918

92/141

DS13490 Rev 2

4.5.36

Error and wake-up interrupt register

Address: 1Ch

Type: R

Table 60. Error and wake-up interrupt register(1)

Bit

Name

Default

Function

Comments

I_crc

CRC error

I_par

Parity error

I_err2

Soft framing error

Framing error that does not result in corrupted

Rx data.

I_err1

Hard framing error

Framing error that results in corrupted Rx data.

I_wt

Wake-up timer interrupt

Timeout after execution of Start Wake-Up Timer

command in case option with IRQ at every

timeout is selected.

I_wam

Wake-up interrupt due to

amplitude measurement

Result of amplitude measurement ∆am larger

than reference.

1I_wph

Wake-up interrupt due to phase

measurement.

Result of phase measurement ∆pm larger than

reference.

0I_wcap

Wake-up interrupt due to

capacitance measurement

Result of capacitance measurement ∆cm larger

than reference.

1. After Main interrupt register has been read, its content is set to 0.

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