Alternative Download Control (Boot Pin); Figure 8: Boot Application Schematic; This Document Is The Sole And Exclusive Property Of Wavecom. Not To Be Distributed Or Divulged Without Prior Written; Agreement - Wavecom Integra M2106+ Product Specification

3.4

Alternative Download Control (BOOT pin)

If the standard X-modem download procedure does not work correctly, an alternative download procedure
can be selected with the BOOT pin. This alternative procedure requires a specific downloading software tool.
See section 6.1, "Firmware Upgrade" for details.
Signal Pin # I/O
BOOT 23 I
The alternative download procedure starts when this input is low during the Wireless CPU
normal mode, this pin must be left open.
If used, this input must be driven either by an open collector or an open drain. See the example application
diagram below.
Switch BOOT
• If BOOT pin = 1, the Wireless CPU
• If BOOT pin = 0, the Wireless CPU
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This document is the sole and exclusive property of Wavecom. Not to be distributed or divulged without prior written

agreement.

WA_DEV_M2106+_PTS_003-001
Pin description
Reset State I/O type
Pull up CMOS
BOOT pin
1K
O R

Figure 8: BOOT application schematic

®
is in normal mode
®
is in alternative download mode
Erreur ! Style non défini.
Description
Alternative download mode selection
1K
Switch BOOT
Integra M2106+
®
power-ON. In
BOOT pin
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April, 2007