ST25R100 datasheet(41/86 Pages) STMICROELECTRONICS

номер детали	ST25R100

подробное описание детали	NFC/HF RFID reader IC

PDF	86 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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5.13.16

Display register 1

Address: 0Fh

Type: RO

Domain: PD

Table 28. Display register 1

Bit

Name

Default

Function

Comment

i_lim

1: VDD_DR regulator in current limit mode

agd_ok

1: AGD stable

osc_ok

1: Oscillator stable

regc4

Actual regulated voltage setting (see Table 10)

regc3

regc2

regc1

regc0

5.13.17

Display register 2

Address: 10h

Type: RO

Domain: RD

Table 29. Display register 2

Bit

Name

Default

Function

Comment

RFU

afe_gain3

Actual gain used during reception (after Squelch and

AGC operation)

Valid until a following reception is started

(rx_on)

afe_gain2

afe_gain1

afe_gain0

5.13.18

Status register

Address: 11h

Type: RO

Domain: RD

Table 30. Status register

Bit

Name

Default

Function

Comment

subc_on

1: Subcarrier detected

gpt_on

1: General purpose timer is running

nrt_on

1: No-response timer is running

mrt_on

1: Mask receive timer is running

rx_act

1: Receive decoder is receiving a message

ST25R100

Application information

DS14139 - Rev 5

page 41/86

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