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Electrical Specifications
Rev 6 Mar.13
Proprietary and Confidential - Contents subject to change
35
Control interface (Signals)
The MC7710 provides signals for:
•
Waking the host when specific events occur
•
Power control of the module from the host
•
LED driver output
These signals are summarized in
and paragraphs that follow.
WAKE_N — Wake host
The module uses
WAKE_N
to wake the host when specific events occur. (Support
for this signal is firmware dependent. Contact your Sierra Wireless account
representative to determine specific availability.)
The host must provide a 5 k
–100 k
pullup resistor that considers total line
capacitance (including parasitic capacitance) such that when
WAKE_N
is
deasserted, the line will rise to 3.3 V in < 100 ns.
See
for a recommended implementation.
Figure 4-5: Recommended WAKE_N connection
Table 4-5: Module control signals
Name
Pin
Description
Type
1
1. O — Digital pin Output; PU — Digital pin Input, internal pull up
1
Wake host
O
W_DISABLE_N
20
Wireless disable (Main RF)
PU
WLAN_LED_N
42
LED driver
O
GPS_EN_N
2
2. Support for this signal is firmware dependent. Contact your Sierra Wireless account repre-
sentative to determine specific availability.
51
Wireless disable (GPS)
PU
Control
R
WAKE_N
1
2
3
Q
5k-100k
Host
3.3V
MiniCard