Texas Instruments TRF7963A Manual page 44

TRF7963A
SLOS758G – DECEMBER 2011 – REVISED MARCH 2020
6.14.1.1.2 ISO Control Register (0x01)
Table 6-17 describes the bit fields of the ISO Control register. This register controls the selection of ISO
standard protocol, direct mode, and receive CRC.
Default Value: 0x02 , reset at EN = L or POR = H
BIT NO. BIT NAME
B7 rx_crc_n
B6 dir_mode
B5 rfid
B4 iso_4
B3 iso_3
B2 iso_2
B1 iso_1
B0 iso_0
iso_4 iso_3 iso_2 iso_1
0 1 0 0
0 1 0 0
0 1 0 1
0 1 0 1
0 1 1 0
0 1 1 0
0 1 1 1
0 1 1 1
1 1 0 1
1 1 0 1
(1) For ISO/IEC 14443 A or B, when bit rate of TX is different from RX, settings can be made in register 0x02 or 0x03.
44 Detailed Description
Table 6-17. ISO Control Register (0x01)
FUNCTION
1 = No RX CRC (CRC not present in the response)
CRC receive selection
0 = RX CRC (CRC is present in the response)
Direct mode type 0 = Direct mode 0
selection
1 = Direct mode 1
0 = RFID mode
RFID mode
1 = Reserved (should be set to 0)
RFID
RFID
See
RFID
application requires.
RFID
RFID
Table 6-18. ISO Control Register: ISO_4 to ISO_0
iso_0
0 ISO/IEC 14443 A RX bit rate, 106 kbps
1 ISO/IEC 14443 A RX high bit rate, 212 kbps
0 ISO/IEC 14443 A RX high bit rate, 424 kbps
1 ISO/IEC 14443 A RX high bit rate, 848 kbps
0 ISO/IEC 14443 B RX bit rate, 106 kbps
1 ISO/IEC 14443 B RX high bit rate, 212 kbps
0 ISO/IEC 14443 B RX high bit rate, 424 kbps
1 ISO/IEC 14443 B RX high bit rate, 848 kbps
0 FeliCa 212 kbps
1 FeliCa 424 kbps
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DESCRIPTION
Table 6-18 for B0:B4 settings based on the ISO protocol that the
PROTOCOL
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REMARKS
(1)
RX bit rate
(1)
RX bit rate