ZHCS363L August 2011 – March 2017 TRF7970A
PRODUCTION DATA.
Table 6-26 describes the ISO Control register.
Function: Controls the selection of ISO standard protocol, direct mode and receive CRC | |||
Default: 0x02 (ISO/IEC 15693 high bit rate, one subcarrier, 1 out of 4); it is preset at EN = L or POR = H | |||
Bit | Name | Function | Description |
B7 | rx_crc_n | CRC Receive selection | 0 = RX CRC (CRC is present in the response) 1 = no RX CRC (CRC is not present in the response)(1) |
B6 | dir_mode | Direct mode type selection | 0 = Direct Mode 0 1 = Direct mode 1 |
B5 | rfid | RFID / Reserved | 0 = RFID mode 1 = NFC or card emulation mode |
B4 | iso_4 | RFID / NFC Target | RFID: See Table 6-27 for B0:B4 settings based on ISO protocol in application NFC: |
B3 | iso_3 | RFID / NFC Mode | NFC: |
B2 | iso_2 | RFID / Card Emulation | NFC: |
B1 | iso_1 | RFID / NFC bit rate | NFC: |
B0 | iso_0 | RFID / NFC bit rate | NFC: |
ISO_4 | ISO_3 | ISO_2 | ISO_1 | ISO_0 | PROTOCOL | REMARKS |
---|---|---|---|---|---|---|
0 | 0 | 0 | 0 | 0 | ISO/IEC 15693 low bit rate, 6.62 kbps, one subcarrier, 1 out of 4 | |
0 | 0 | 0 | 0 | 1 | ISO/IEC 15693 low bit rate, 6.62 kbps, one subcarrier, 1 out of 256 | |
0 | 0 | 0 | 1 | 0 | ISO/IEC 15693 high bit rate, 26.48 kbps, one subcarrier, 1 out of 4 | Default for reader |
0 | 0 | 0 | 1 | 1 | ISO/IEC 15693 high bit rate, 26.48 kbps, one subcarrier, 1 out of 256 | |
0 | 0 | 1 | 0 | 0 | ISO/IEC 15693 low bit rate, 6.67 kbps, double subcarrier, 1 out of 4 | |
0 | 0 | 1 | 0 | 1 | ISO/IEC 15693 low bit rate, 6.67 kbps, double subcarrier, 1 out of 256 | |
0 | 0 | 1 | 1 | 0 | ISO/IEC 15693 high bit rate, 26.69 kbps, double subcarrier, 1 out of 4 | |
0 | 0 | 1 | 1 | 1 | ISO/IEC 15693 high bit rate, 26.69 kbps, double subcarrier, 1 out of 256 |
|
0 | 1 | 0 | 0 | 0 | ISO/IEC 14443 A RX bit rate, 106 kbps | RX bit rate (1) |
0 | 1 | 0 | 0 | 1 | ISO/IEC 14443 A RX high bit rate, 212 kbps | |
0 | 1 | 0 | 1 | 0 | ISO/IEC 14443 A RX high bit rate, 424 kbps | |
0 | 1 | 0 | 1 | 1 | ISO/IEC 14443 A RX high bit rate, 848 kbps | |
0 | 1 | 1 | 0 | 0 | ISO/IEC 14443 B RX bit rate, 106 kbps | RX bit rate (1) |
0 | 1 | 1 | 0 | 1 | ISO/IEC 14443 B RX high bit rate, 212 kbps | |
0 | 1 | 1 | 1 | 0 | ISO/IEC 14443 B RX high bit rate, 424 kbps | |
0 | 1 | 1 | 1 | 1 | ISO/IEC 14443 B RX high bit rate, 848 kbps | |
1 | 0 | 0 | 1 | 1 | Reserved | |
1 | 0 | 1 | 0 | 0 | Reserved | |
1 | 1 | 0 | 1 | 0 | FeliCa 212 kbps | |
1 | 1 | 0 | 1 | 1 | FeliCa 424 kbps |
ISO_1 | ISO_0 | NFC (B5 = 1, B2 = 0) | CARD EMULATION (B5 = 1, B2 = 1) |
---|---|---|---|
0 | 0 | N/A | ISO/IEC 14443 A |
0 | 1 | 106 kbps | ISO/IEC 14443 B |
1 | 0 | 212 kbps | N/A |
1 | 1 | 424 kbps | N/A |