SRTAG2K-D View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
SRTAG2K-D
STMicroelectronics
'SRTAG2K-D' PDF : 51 Pages View PDF
SRTAG2K-D
RF command sets
5.1
Structure of the command sets
The exchange of data between the RF host and the SRTAG2K-D uses three kinds of data
formats, called blocks:
• I-Block: to exchange the command and the response
• R-Block: to exchange positive or negative acknowledgement
• S-Block: to use either the Deselect command or the Frame Waiting eXtension (WTX)
command or response
This section describes the structure of the I-Block, R-block and S-Block. This format is used
for the application command set.
5.2
I-Block format
The I-Block is used to exchange data between the RF host and the SRTAG2K-D. It is
composed of three fields. Table 10 details the I-Block format.
Name
Table 10. I-Block format
SoD
Payload
PCB
DID
0
Length
1 byte
PCB field
DID field (optional)
RF host to SRTAG2K-D: C-APDU
SRTAG2K-D to RF host: R-APDU
2 CRC bytes
1 byte
1 to 251 bytes
EoD
CRC
2 bytes
DocID025446 Rev 3
19/51
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