Specifications

WA_DEV_FEX20_PTS_004 Rev 001 June 30, 2010 5
Contents
1. OVERVIEW......................................................................................................... 11
1.1. Expansion Card Features ........................................................................................... 11
1.2. Operating System ....................................................................................................... 11
1.3. Connection Interfaces ................................................................................................. 11
1.4. Environmental Compliance ......................................................................................... 12
1.4.1. RoHS Directive Compliant ................................................................................... 12
1.4.2. Disposing of the Product ...................................................................................... 12
2. FUNCTIONAL SPECIFICATIONS ...................................................................... 13
2.1. Operating System ....................................................................................................... 13
3. TECHNICAL SPECIFICATIONS ........................................................................ 14
3.1. Power Supply ............................................................................................................. 14
3.2. Mechanical Specifications ........................................................................................... 15
3.2.1. Expansion Card Mechanical Drawing ................................................................... 15
3.2.2. Expansion Card Design Suggestion ..................................................................... 16
3.2.3. Mechanical Integration ......................................................................................... 17
4. INTERFACES ..................................................................................................... 18
4.1. General Purpose Connector ....................................................................................... 18
4.1.1. Pin Description .................................................................................................... 19
4.2. Electrical Information for Digital I/O ............................................................................. 22
4.3. General Purpose Input/Output .................................................................................... 23
4.4. Serial Interface ........................................................................................................... 24
4.4.1. SPI Bus ............................................................................................................... 24
4.4.1.1. Characteristics ........................................................................................................ 24
4.4.1.2. Configuration ........................................................................................................... 24
4.4.1.3. Pin Description ........................................................................................................ 24
4.4.1.4. Waveforms .............................................................................................................. 25
4.4.2. I
2
C Bus ................................................................................................................ 26
4.4.2.1. Pin Description ........................................................................................................ 26
4.4.2.2. Waveforms .............................................................................................................. 26
4.5. Auxiliary Serial Link (UART2) ...................................................................................... 27
4.5.1. Pin Description .................................................................................................... 27
4.6. RF Interface ................................................................................................................ 27
4.6.1. External Active Antenna Specifications ................................................................ 27
4.7. Digital Audio Interface (PCM) ...................................................................................... 28
4.7.1. Waveforms .......................................................................................................... 28
4.7.2. Pin Description .................................................................................................... 30
5. SIGNALS AND INDICATORS ............................................................................ 31
5.1. Reset Signal (~RESET) .............................................................................................. 31
5.1.1. Reset Sequence .................................................................................................. 31
5.1.2. Pin Description .................................................................................................... 31
5.1.3. Electrical Characteristics ...................................................................................... 32