25 July 1996
Micro-reader Module
3.2.4 Data Field
Response
# of Bytes
Type in Data Field
Comment
RO
8
Identification Data (LSByte first), see 5.2.1
R/W
8
Identification Data (LSByte first) ), see 5.2.2
MPT/SAMPT
9
Identification Data (LSByte first), plus Read Address, see 5.2.3
Other
14
Complete transponder protocol without pre-bits provided that
a valid RO or R/W start byte was detected
No read
0
No Data Fields, not even transponder start byte was detected,
status 03hex
S/W version
1
For example: 15hex means S/W version 1.5
Section 5.2 provides an overview of the response telegrams of the current TIRIS transponder types.
3.2.5 BCC
The ‘BCC’ field is a one-byte value of the Longitudinal Redundancy Check calculation (Xor’ed
bytes) for the preceding message. The calculation is performed on the whole message excluding the
Start-Mark.
