Texas Instruments TRF7970A Manual page 26

TRF7970A
SLOS743L – AUGUST 2011 – REVISED MARCH 2017
Table 6-7. Coding of the ISO Control Register For RFID Mode (B5 = 0)
Iso_4 Iso_3 Iso_2
0 0 0
0 0 0
0 0 0
0 0 0
0 0 1
0 0 1
0 0 1
0 0 1
0 1 0
0 1 0
0 1 0
0 1 0
0 1 1
0 1 1
0 1 1
0 1 1
1 0 0
1 0 1
1 1 0
1 1 0
26 Detailed Description
Iso_1 Iso_0
0 0 ISO/IEC 15693 low bit rate, one subcarrier, 1 out of 4
0 1 ISO/IEC 15693 low bit rate, one subcarrier, 1 out of 256
1 0 ISO/IEC 15693 high bit rate, one subcarrier, 1 out of 4
1 1 ISO/IEC 15693 high bit rate, one subcarrier, 1 out of 256
0 0 ISO/IEC 15693 low bit rate, double subcarrier, 1 out of 4
0 1 ISO/IEC 15693 low bit rate, double subcarrier, 1 out of 256
1 0 ISO/IEC 15693 high bit rate, double subcarrier, 1 out of 4
1 1 ISO/IEC 15693 high bit rate, double subcarrier, 1 out of 256
0 0 ISO/IEC 14443 A, bit rate 106 kbps
0 1 ISO/IEC 14443 A high bit rate 212 kbps
1 0 ISO/IEC 14443 A high bit rate 424 kbps
1 1 ISO/IEC 14443 A high bit rate 848 kbps
0 0 ISO/IEC 14443 B, bit rate 106 kbps
0 1 ISO/IEC 14443 B high bit rate 212 kbps
1 0 ISO/IEC 14443 B high bit rate 424 kbps
1 1 ISO/IEC 14443 B high bit rate 848 kbps
1 1 Reserved
0 0 Reserved
1 0 FeliCa 212 kbps
1 1 FeliCa 424 kbps
Table 6-8. Coding of the ISO Control Register For NFC
Mode (B5 = 1, B2 = 0) or Card Emulation (B5 = 1,
Iso_1 Iso_0 NFC (B5 = 1, B2 = 0)
0 0
0 1
1 0
1 1
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PROTOCOL
B2 = 1)
CARD EMULATION
(B5 = 1, B2 = 1)
N/A ISO/IEC 14443 A
106 kbps ISO/IEC 14443 B
212 kbps N/A
424 kbps N/A
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TRF7970A
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REMARKS
Default for RFID IC
RX bit rate when TX rate
different from RX rate (see
register 0x03)
RX bit rate when TX rate
different from RX rate (see
register 0x03)