Sierra Wireless AirPrime SL808 Series, Product Technical Specification & Customer Design Manuallines, Page: 70 / 122

Product Technical Specification & Customer Design Guidelines
70 Proprietary and Confidential - Specifications subject to change 2400058
5.4 Wake signal (WAKE_N)
This signal is used by the AirPrime SL808X Embedded Module to wake the host
when a predetermined condition is satisfied (such as when a call is received).
5.4.1 Pin descriptions
Table 5-9 describes the wake signal pin.
See Digital I/O electrical information on page 39 for 1V8 voltage characteristics
and reset state definitions.
5.4.2 Electrical characteristics
Refer to Table 4-2 on page 34 for basic characteristics (type, voltage).
Table 5-8: Wake signal features
Feature Details
Purpose Wake Host interface
•
Wake host when a predetermined condition is satisfied (for
example, when a call is received).
Implementation
•
Low = On
•
Active low, 1.8 V logic.
•
During the powered-off state, this pin may not be in a high
impedance state. The host side must implement appropriate
measures to accomodate this.
Table 5-9: Wake signal pin description
Pin Signal I/O I/O type Description
61
WAKE_N Wake Host interface