ST25R3916B-AQWT datasheet(92/165 Pages) STMICROELECTRONICS

部品番号	ST25R3916B-AQWT

部品情報	NFC reader for payment, consumer and industrial applications

PDF	165 Pages

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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Application information

ST25R3916B ST25R3917B

92/165

DS13541 Rev 7

4.5.20

Correlator configuration register 2

Address: 0Dh

Type: RW

corr_s1

ISO-A

106k

Collision level setting MSB

Collision detection level, compared to data

detection level:

–00: 16%

–01: 28%

–10: 41%

– 11: 53%

BPSK

(1)

Subcarrier end detection level

0: 100%

1: 66%

corr_s0

ISO-A

106k

Collision level setting LSB

BPSK

(1)

0: Subcarrier end detector disabled

1: Subcarrier end detector enabled

1. BPSK options apply to ISO-A HBR and ISO-B (all bit rates).

Table 46. Correlator configuration register 1 (continued)

Bit

Name

Default

Function

Comments

Table 47. Correlator configuration register 2

Bit

Name

Default

Function

Comments

7RFU

6RFU

5RFU

4RFU

3RFU

2RFU

corr_s9

0: Sleep mode disable set by timer

1: Sleep mode disable only on

rx_on = 1

Correlator sleep mode option.

Sleep start: 18 µs no output pulse.

Stop with timer:

– takes 18 µs (ISO-A/B, F424)

– takes 42 µs (stream 15693, F212)

corr_s8

0: All other standards

1: 424 kHz subcarrier stream mode

Must be set to 1 for 424 kHz subcarrier stream mode.

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