miniPCIe-CEFIRO Family
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2017/05 v1.2
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MTX Terminals® by MATRIX ELECTRONICA S.L.U
4.7
Reset signals
4.7.1
PERST#
The signal PERST#, available in the 22-pin application connector, is internally connected to the
GSM/UMTS module reset signal and also to the WLAN & Bluetooth reset signal. You can use it to
resetting the card by activating it to low level for more than 50ms, which sets the processor and with
it all the other signal pads to their respective reset states usually reached right after startup. After
releasing the module could take up to 5 seconds to restart.
4.7.2
W_DISABLE#
The signal W_DISABLE#, available in the 20-pin application connector, is internally connected to a load
switch which disable the whole supply of the card. If you need disable the card to achieve a low power
state, this is a better option than the PERST# signal. You can use it to resetting the card by activating it
to low level. After releasing the module could take up to 5 seconds to restart.
4.8
Firmware updates
It is possible and sometimes necessary to update the miniPCIe-CEFIRO firmware.
Updates must be carried out by an approved technician.
Please contact
gsmsupport@matrix.es
for details regarding Service/Programming.
