User's Manual

5 Connectors
Page 18 of 38
5.2 Standby Mode / Wake-Up
cVEND offers a software programmable standby mode. To activate the normal operation mode the following
wake-up sources are provided.
MDB wake-up by host:
If standby is activated the bi-directional wake-up I/O is used for signaling a wake-up event by the cVEND and
can be used by the host to activate the cVEND. The host controller can awake the cVEND by pulling down
the wake-up line.
Wake-up “OK” Key:
Pressing the “OK” key on the key pad will awake the cVEND.
Time controlled wake-up:
The firmware provides functions for software programmable wake-up. This functionality depends on the
installed application.
NOTE:
The USB connection will be interrupted during standby mode.
Fig. 11: cVEND PIN Internal Wake-Up Circuit