Last revised on
2017-09-26
Reference Manual for uTrust 4701F and uTrust 4711F Readers
6.3.5.12. CONTACT_GET_SET_WAITTIME
This Escape command is used to get/set the Character/Block Waiting Time for smartcards. The wait
time is specified in terms of ETU. Once set, the new Wait time will take effect from the next card
communication.
Input:
The input buffer contains the Escape code followed by an 8 bit GET/SET identifier, an 8 bit Wait time
identifier and a 32 bit Wait time value. BWT must be specified in units of 1.25ms and CWT in units of
ETU.
Output:
For both Get/Set Wait time, the output will be the following.
DataIn = 81 00 01
DataOut: 00 00 03 5D (4 bytes)
6.3.5.13. CONTACT_GET_SET_GUARDTIME
This Escape command is used to get/set the Character/Block Guard Time of the reader. The guard time
is specified in terms of ETU. Once set, the new Guard time will take effect immediately.
Input:
The input buffer contains the Escape code followed by an 8 bit GET/SET identifier, an 8 bit guard time
identifier and a 32 bit guard time value in ETU.
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