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HF Multi ISO RFID Reader User Manual, Firmware V1.4 
 
1508-USM-00-0-04 
Appendix C - Timings 
 
t
CMD
 
t
EXEC
 
t
RES
 
 
 
 
 
PC: 
Request 
  
 
 
 
 
 
Reader:  
 
 Response 
 
Table 13 - Timings 
Command 
t
EXEC 
[ms] 
Comments 
Common commands 
Cont. read (locked tag) 
2.8 – 22.6 
+ Reset Off and Recovery Time 
Cont. read (worst case) 
54 
+ 3x Reset Off and Recovery Time 
DES en/decryption 
9.6 – 9.7 
 
TDES en/decryption 
28.7 – 28.8 
 
High-speed select 'h08' 
(locked tag) 
8.9 – 14.4 
+ Reset Off and Recovery Time + SFGT 
High-speed select 'h08' 
(no tag) 
15 
+ 3x Reset Off and Recovery Time 
High-speed select 'h08' 
(worst case) 
14.7 
+ 3x Reset Off and Recovery Time + SFGT 
Multi-select (locked tag) 
5.8 – 11.4 
+ Reset Off and Recovery Time 
Multi-select (no tag) 
67 
+ Reset Off and Recovery Time 
Multi-select (worst case) 
67 
+ Reset Off and Recovery Time 
Antenna on 
0.2 
+ Reset Recovery Time 
Antenna off 
0.2 
 
Port read 
0.1 
 
Port write 
0.1 
 
Read block 
1.8 – 2.2 
 
Write block 
8.2 – 11 
 
Reset 13.2 
 
Select (locked tag) 
5.4 – 22.8 
+ Reset Off and Recovery Time 
Select (no tag) 
38 
+ 3x Reset Off and Recovery Time 
Select (worst case) 
55 
+ 3x Reset Off and Recovery Time 
 
 
 
 
 
August 2010 
 
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