ST25R200 datasheet(56/88 Pages) STMICROELECTRONICS

номер детали	ST25R200

подробное описание детали	NFC/HF RFID reader IC

PDF	88 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

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5.14.43

I-Channel WU configuration register

Address: 2Ah

Type: RW

Domain: PD

Table 61. I-Channel WU configuration register

Bit

Name

Default

Function

Comment

RFU

i_iirqm

0: Exclude the IRQ measurement

1: Include the IRQ measurement

Includes/excludes the measurement that

causes IRQ when auto-averaging is enabled

i_aaw1

00: 4

01: 8

10: 16

11: 32

Defines the weight of last measurement result for auto-

averaging

i_aaw0

RFU

i_tdi_en2

1: IRQ if i_adc > i_ref + i_diff

i_tdi_en<2:0> = 0 Wake-up I-channel disabled

i_tdi_en1

1: IRQ if i_ref - i_diff ≤ i_adc ≤ i_ref + i_diff

i_tdi_en0

1: IRQ if i_adc < i_ref - i_diff

5.14.44

I-Channel WU difference register

Address: 2Bh

Type: RW

Domain: PD

Table 62. I-Channel WU difference register

Bit

Name

Default

Function

Comment

RFU

i_diff5

Defines the difference/delta from the reference that triggers an IRQ (unsigned)

Range: 0 to 63

i_diff4

i_diff3

i_diff2

i_diff1

i_diff0

ST25R200

Application information

DS13658 - Rev 2

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