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OBID
®
classic-pro
Manual
ID CPR30.xx
FEIG ELECTRONIC GmbH
Page 87 of 126
H01114-0e-ID-B.docx
CRC-INFO:
Selects kind and mode of checking the data integrity of the RF-channel.
Bit:
7
6
5
4
3
2
1
0
Function
-
-
-
-
RxCRC
En
TXCRC
En
-
Parity
En
ParityEn
b0:
No parity bit is inserted or expected
b1:
A parity bit is inserted in the transmitted data stream after each byte and
expected in the received data stream after each byte
(standard ISO14443A)
TxCRCEn
b0:
No CRC is inserted/transmitted
b1:
A CRC is calculated over the transmitted data and the CRC byte(s) are
appended to the data stream
RxCRCEn
b0:
No CRC is checked
b1:
The last byte(s) of a received frame is/are interpreted as CRC byte/s
Examples:
Command
CRC-INFO
comment
REQA
0x01
Parity, no TxCRC, no RxCRC
HALT
0x0D
Parity, TxCRC, RxCRC