TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop
TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop
TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop
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Communication Reader-Host Rev. 1.2 February 1999<br />
3.7.42 RWD_Read_BCD<br />
This Long Range Reader command reads the BCD (BitClockDelay) value from the EEPROM of<br />
the read/write device. This value adjusts the timing of the read/write device in accordance to the<br />
connected antenna.<br />
C-Function: void RWD_Read_BCD (BYTE_T *bitclockdata);<br />
Header-File: HitagRWD.H<br />
Serial protocol:<br />
HOST - READ/WRITE DEVICE<br />
0x02 'f' BCC<br />
READ/WRITE DEVICE - HOST<br />
0x03 Status bitclockdata BCC<br />
bitclockdata:<br />
7 6 5 4 3 2 1 0<br />
bitclockdelay bitclockdelay bitclockdelay bitclockdelay 0 0 0 0<br />
Bit 3 Bit 2 Bit 1 Bit 0<br />
bitclockdelay: 0 ... 15 dec possible<br />
Status:<br />
0 ... no error<br />
-1 ... SERIAL ERROR<br />
Protokoll HTRM801 V1.2/C Page 58 (107)