Wavecom WISMO Quik Q2501, Customer Design Manuallines

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WM_PRJ_Q2501_PTS_002 - 001
March 2004
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3.3.10 GSM Base Band Activation indicator
The GSM Base Band activation indicator (GSM_BBEN) is available on system
connector.
This output signal is driven and supplied by RTC part and can be used as an
external information allowing the main power supply (VBATT) to be externally
switched OFF.
Pin description
Signal Pin # I/O I/O type Description
GSM_BBEN 6 O CMOS
VCC_RTC /
1X
Indicator of GSM Base Band
activation
3.3.11 External Interrupt
The WISMO module provides an external interrupt input (~INTR).
This input can be used for instance to automatically power off the module by
an external event.
Pin description
Signal Pin # I/O I/O type Description
~INTR 36 I CMOS External Interrupt
An interrupt is activated on high to low edge and detection of a transition is
very sensitive.
If this signal is not used it can be left open.
If used this input has to be driven by an open collector or an open drain output
as shown in the diagram hereunder.
~INTR: Pin 36
Switch ~INTR
Figure 27: ~INTR driving example