4 - 10 MC9090-G RFID Integrator Guide Supplement
Tag Access Parameters
The RFIDDemo behavior is configurable. Tap on Settings from the RFIDDemo Load Window on page 4-3 or from
File->Tag Access Params, RFID- Tag Access Params window appears.
Figure 4-5
Settings Window
Reader Tag Access Parameters Settings:
•
Sel:
Ignore SL: All tags can be inventoried; ignore the tag SL (select flag).
SL: Only inventory tags with SL is set.
No SL: Only inventory tags with SL flag is not SET.
•
Session:
S0: Use session S0 for inventory.
S1: Use session S1 for inventory.
S2: Use session S2 for inventory.
S3: Use session S3 for inventory.
•
Target:
A: Only inventory Tags with inventoried bit set to A for Session.
B: Only inventory Tags with inventoried bit set to B for Session.
•
Starting Q(0-15):
Sets the number of slots (=2^Q) in the first Inventory Round of the Inventory Algorithm. A larger starting Q
should be selected for a larger expected number of tags (Q = 4 is the recommended starting point). The RFID
engine firmware will dynamically adjust the Q value as needed.
Table 4-2
Select Record Settings
Action Matching Non-Matching
0x00 assert SL; inventoried->A deassert SL; inventoried->B
0x01 assert SL; inventoried->A do nothing
0x02 do nothing deassert SL; inventoried->B
0x03 negate SL; A->B, B->A assert SL; inventoried->A
0x04 deassert SL; inventoried->B assert SL; inventoried->A
0x05 deassert SL; inventoried->B do nothing
0x06 do nothing assert SL; inventoried->A
0x07 do nothing negate SL; A->B, B->A
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