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TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop

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February 1999 Rev. 1.2 Communication Reader-Host<br />

3.8.3 KI_Read_EE_Data<br />

This command reads personalization data (4 data bytes) from the EEPROM of the read/write<br />

device.<br />

Access rights are verified automatically by the read/write device before this command is<br />

executed. If a Read command is not permitted, Status is set to -13 (EEPROM READ<br />

PROTECTED).<br />

C-Function: void KI_Read_EE_Data (BYTE_T num, DWORD_T *data);<br />

Header-File: HitagKeyInit. H<br />

Serial protocol:<br />

HOST - READ/WRITE DEVICE<br />

0x03 'X' num BCC<br />

num:<br />

defines which personalization data is to be read<br />

0x00 ... Password<br />

0x01 ... Key A<br />

0x02 ... Key B<br />

0x03 ... Logdata 0A<br />

0x04 ... Logdata 0B<br />

0x05 ... Logdata 1A<br />

0x06 ... Logdata 1B<br />

READ/WRITE DEVICE - HOST<br />

7 0 31 24<br />

0x06 Status data[0] ....... data[3] BCC<br />

Status:<br />

0 ... no error<br />

- 1 ... SERIAL ERROR (in this case the error can also mean, that the read/write<br />

device is not in the KeyInit Mode!)<br />

-13 ... EEPROM READ PROTECTED<br />

(The read/write device remains in KeyInit Mode.)<br />

Page 67 (107)<br />

Protokoll HTRM801 V1.2/C

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