ST25R200 datasheet(58/88 Pages) STMICROELECTRONICS

номер детали	ST25R200

подробное описание детали	NFC/HF RFID reader IC

PDF	88 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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58 / 88 page

Bit

Name

Default

Function

Comment

8-bit unsigned calibration result

i_cal2

i_cal1

i_cal0

5.14.48

Q-Channel WU configuration register

Address: 2Fh

Type: RW

Domain: PD

Table 66. Q-Channel WU configuration register

Bit

Name

Default

Function

Comment

RFU

q_iirqm

0: Exclude the IRQ measurement

1: Include the IRQ measurement

Includes/excludes the measurement that causes

IRQ when auto-averaging is enabled

q_aaw1

00: 4

01: 8

10: 16

11: 32

Defines the weight of last measurement result for

auto-averaging

q_aaw0

RFU

q_tdi_en2

1: IRQ if q_adc > q_ref + q_diff

q_tdi_en<2:0> = 0 Wake-up Q-channel disabled

q_tdi_en1

1: IRQ if q_ref - q_diff ≤ q_adc ≤ q_ref + q_diff

q_tdi_en0

1: IRQ if q_adc < q_ref - i_diff

5.14.49

Q-Channel WU difference register

Address: 30h

Type: RW

Domain: PD

Table 67. Channel WU difference register

Bit

Name

Default

Function

Comment

RFU

q_diff5

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

Range: 0 to 63

q_diff4

q_diff3

q_diff2

q_diff1

q_diff0

ST25R200

Application information

DS13658 - Rev 2

page 58/88

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