© Semtech 2006 www.semtech.com
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Users Guide
XE1401SK Hardware
Table of Contents
1PREFACE ................................................................................................................................................. 3
1.1 What this guide contains............................................................................................................................ 3
2GETTING STARTED NOW ....................................................................................................................... 4
2.1 Configure your XE1401SK Hardware ........................................................................................................ 4
2.1.1 Using the USB Port.................................................................................................................................... 4
2.1.2 Using the RS232 Port................................................................................................................................ 4
2.2 Starting the XE1401SK Software Demo .................................................................................................... 4
2.3 Headset Demo with a NOKIA 6310(i) ........................................................................................................ 5
3XE1401SK PRODUCT OVERVIEW.......................................................................................................... 6
4XE1401SK – FUNCTIONAL DESCRIPTION............................................................................................. 7
4.1 Overview.................................................................................................................................................... 7
4.1.1 Block diagram............................................................................................................................................ 7
4.1.2 Power Management................................................................................................................................... 7
4.1.3 Mechanical Dimensions............................................................................................................................. 7
4.2 Hardware Features.................................................................................................................................... 8
4.2.1 Radio Board............................................................................................................................................... 8
4.2.2 XE1401SK Motherboard............................................................................................................................ 8
4.2.3 RS232 Port................................................................................................................................................ 8
4.2.4 USB Port and Driver.................................................................................................................................. 8
4.2.5 Analog Audio Interface .............................................................................................................................. 8
4.2.6 Fault Management/Supervision ................................................................................................................. 8
5XE1401SK - HARDWARE DESCRIPTION ............................................................................................... 9
5.1 Blocks overview......................................................................................................................................... 9
5.2 XE1401SK Motherboard Overview.......................................................................................................... 10
5.2.1 Power Supply .......................................................................................................................................... 11
5.2.2 Voltage Regulators.................................................................................................................................. 11
5.2.3 Power Supply for External Application Board........................................................................................... 11
5.2.4 Power Consumption Measurement.......................................................................................................... 12
5.2.5 Hardware Reset....................................................................................................................................... 12
5.2.6 Radio Modules Connectors...................................................................................................................... 12
5.2.7 XE1401SK Host Controller Interface ports - RS232 / USB ...................................................................... 13
5.2.8 XE3006 CODEC...................................................................................................................................... 14
5.2.9 XE1401 – Application Board Connector................................................................................................... 15
5.3 Motherboard Settings .............................................................................................................................. 16
5.3.1 Jumpers Overview................................................................................................................................... 16
5.3.2 Current Consumption Measure (JP5) ...................................................................................................... 16
5.3.3 Power-on LED CR3 (JP6)........................................................................................................................ 17
5.3.4 Power Supply For External Application Board (JP7)................................................................................ 17
5.3.5 Codec Enable/Disable (JP8).................................................................................................................... 18
5.3.6 XE1401 UART Interface (JP11)............................................................................................................... 19
5.3.7 Protection Diode CR6 Bypass (JP12)...................................................................................................... 19
5.3.8 Power Supply For XE1401SK (JP13) ...................................................................................................... 20
5.4 IAR Systems radio board – Skyworks radio CX72303............................................................................. 21
5.4.1 IAR Systems Radio Board – Overview .................................................................................................... 21
5.4.2 Flag Designed Flexible Laminate Antenna............................................................................................... 21
5.5 Silicon Wave radio board......................................................................................................................... 22
6SCHEMATICS......................................................................................................................................... 23
6.1 XE1401SK Motherboard.......................................................................................................................... 23
6.2 IAR radioboard – CX72303...................................................................................................................... 25
