Texas Instruments TRF7970A Manual page 25

www.ti.com
BIT SIGNAL NAME
B7 rx_crc_n Receiving without CRC
B6 dir_mode Direct mode type
B5 rfid RFID mode
B4 iso_4 RFID protocol, NFC target
B3 iso_3 RFID protocol, NFC mode
B2 iso_2 RFID protocol, Card Emulation
B1 iso_1 RFID protocol, NFC bit rate
B0 iso_0 RFID protocol, NFC bit rate
Copyright © 2011–2017, Texas Instruments Incorporated
Table 6-6. Coding of the ISO Control Register
FUNCTION
1 = No RX CRC
0 = RX CRC
0 = Output is subcarrier data
1 = Output is bit stream and clock from decoder selected by ISO bits
0 = RFID reader mode
1 = NFC or card emulator mode
RFID: Mode selection
NFC:
0 = NFC target
1 = NFC initiator
RFID: Mode selection (see
NFC:
0 = Passive mode
1 = Active mode
RFID: Mode selection
NFC:
0 = NFC normal modes
1 = Card emulation mode
RFID: Mode selection
NFC: Bit rate selection or Card Emulation selection (see
RFID: Mode selection
NFC: Bit rate selection or Card Emulation selection (see
Submit Documentation Feedback
Product Folder Links:
SLOS743L – AUGUST 2011 – REVISED MARCH 2017
COMMENTS
Table 6-7)
TRF7970A
TRF7970A
Table 6-8)
Table 6-8)
Detailed Description 25