Texas Instruments TRF7960 Manual page 26

TRF7960
TRF7961
SLOU186F – AUGUST 2006 – REVISED AUGUST 2010
Controls the ISO selection
Register default is 0x02, which is ISO15693 high bit rate, one sub-carrier, 1 out of 4. It is preset at EN = L or POR = H.
Bit Bit Name Function
B7 rx_crc_n Receiving without CRC
B6 dir_mode Direct mode type
B5 rfid RFID mode
B4 iso_4
B3 iso_3
B2 iso_2 RFID mode
B1 iso_1
B0 iso_0
Iso_4 Iso_3 Iso_2 Iso_1
0 0 0 0
0 0 0 0
0 0 0 1
0 0 0 1
0 0 1 0
0 0 1 0
0 0 1 1
0 0 1 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 0 0 1
26 System Description
Table 5-10. ISO Control (01h)
Comments
1 = no RX CRC
0 = RX CRC
0 = output is sub-carrier data.
1 = output is bit stream (I/O_6) and bit clock (I/O_5) from decoder selected by ISO bits
Should always be set to 0
See Table 5-11
Table 5-11. RFID Mode Selections
Iso_0 Protocol
0 ISO15693 low bit rate
1 ISO15693 low bit rate
0 ISO15693 high bit rate
1 ISO15693 high bit rate
0 ISO15693 low bit rate
1 ISO15693 low bit rate
0 ISO15693 high bit rate
1 ISO15693 high bit rate
0 ISO14443A bit rate
1 ISO14443A high bit rate
0 ISO14443A high bit rate
1 ISO14443A high bit rate
0 ISO14443B bit rate
1 ISO14443B high bit rate
0 ISO14443B high bit rate
1 ISO14443B high bit rate
1 Tag-it
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6.62 kbps one sub-carrier
6.62 kbps one sub-carrier
26.48 kbps one sub-carrier
26.48 kbps one sub-carrier
6.67 kbps double sub-carrier
6.67 kbps double sub-carrier
26.69 kbps double sub-carrier
26.69 kbps double sub-carrier
106 kbps
212 kbps
424 kbps
848 kbps
106 kbps
212 kbps
424 kbps
848 kbps
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Remarks
1 out of 4
1 out of 256
1 out of 4 Default for reader
1 out of 256
1 out of 4
1 out of 256
1 out of 4
1 out of 256
RX bit rate when
TX bit rate is
different than RX
(reg03)
RX bit rate when
TX bit rate is
different than RX
(reg03)