Boot Mode - Sierra Wireless AirPrime XS1110 User Manual

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Development Kit User Guide
Rev 2.0 Apr.20
Table 3-4: I2C Header Details
Component
5-pin header
Table 3-5: I2C Header Pins
Pin Number
Pin Name
1
GND
2
GND
3
RX0 / I2CSDA
4
TX0 / I2CSCL
5
GND
Pins 01 to 02 have to be configured by connecting them with jumpers.
See
Figure 3-4
and
Figure 3-5
SYSTEM0 settings.
Mismatching jumper connections will result in pin error after reboot; in this case,
I2C features will not be enabled.

BOOT Mode

The BOOT Mode header is used to place the module in Flash download mode to
perform firmware updates.
Figure 3-7: BOOT Mode Header
Table 3-6: BOOT Mode Details
Component
2-pin header
10
PCB Label
Description
I2C
P1
signals; refer to
Description
Ground
Ground
I2C serial data (in slave mode)
I2C serial clock (in slave mode)
Ground
on page 9 for jumper configuration consistent with
PCB Label
Description
P23
Add a jumper to make the module ready for
firmware upgrade
Table 3-5
for details
41113415

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