© Confidential
Page: 62 / 97
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without prior
written agreement.
WM_PRJ_Q2686_PTS_001-010
June 30, 2009
Q2686 Wireless CPU
®
3.15
BOOT Signal
A specific BOOT control pin is available to download the Q2686 Wireless CPU
®
(only if the standard XModem download, controlled with AT command, is not
possible).
A specific PC software program, provided by Wavecom, is needed to perform
this specific download.
The BOOT pin must be connected to VCC_1V8 for this specific download.
Operating mode description
BOOT
Operating mode
Comment
Leave open
Normal use
No download
Leave open
Download XModem
AT command for Download
AT+WDWL
1
Download specific
Need Wavecom PC software
For more information, see Q2686 / Open AT
®
Software Suite v2 AT Command User Guide [7].
This BOOT pin must be left open either for normal use or XModem download.
However, in order to render the development and maintenance phases easier,
it is
highly recommended
to set a test point, either a jumper or a switch on the
VCC_1V8 (pin 5) power supply.
Pin description
Signal
Pin number
I/O
I/O type
Description
BOOT 16 I 1V8 Download
mode
selection
