© Semtech 2006
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16
Users Guide
XE1401SK Hardware
5.3 MOTHERBOARD
SETTINGS
This chapter describes how to configure jumpers on the XE1401SK.
Note!
To locate all jumpers and components referred in these following sections, please see:
5.2 XE1401SK Motherboard Overview
and
6. SCHEMATICS
.
5.3.1 Jumpers
Overview
Name Location
Description
Default
settings
JP5
20
Measure point for current consumption
SHORT
JP6
21
Power-On LED CR3 Enable/Disable
SHORT
JP7
15
Power supply for external application board
VCC 1.8V
JP8 6 CODEC
Enable/Disable
SHORT
JP11 3
UART
Interface
SHORT
JP12
14
Protection diode CR6 bypass
OPEN
JP13
18
XE1401SK power supply selector
BATTERY
5.3.2
Current Consumption Measure (JP5)
The current consumption of the XE1401SK can be measured through JP5 by removing it and connecting an
ampere meter.
The current consumption measured is the consumption of the entire XE1401SK, including radio module and
CODEC however not including the USB components.