User's Manual

Page ２ of 31
Contents
Contents .......................................................................................................................................................................... ２
1．Introduction ................................................................................................................................................................. 3
1.1 Overview .................................................................................. 3
1.2 Application scenario ........................................................................ 3
2. U6100 interfaces .......................................................................................................................................................... 4
2.1 U6100 interface summary ................................................................... 4
2.1.1 Test points ............................................................................................................................................................... 5
2.1.2 Board to board connector ..................................................................................................................................... 5
2.1.3 RF interface ............................................................................................................................................................ 9
2.2 Application note of U6100 interfaces ......................................................... 10
2.2.1 RF antenna interface ........................................................................................................................................... 10
2.2.2 Power supply and ground ................................................................................................................................... 10
2.2.3 USB interface ........................................................................................................................................................ 11
2.2.4 USIM interface ...................................................................................................................................................... 12
2.2.5 Micro SD card interface ....................................................................................................................................... 14
2.2.6 Audio interface ...................................................................................................................................................... 15
2.2.7 PCM interface and SPI interface ....................................................................................................................... 17
2.2.8 UART interface ..................................................................................................................................................... 18
2.2.9 LED control ........................................................................................................................................................... 19
2.2.10 Others .................................................................................................................................................................. 21
3. U6100 key features ................................................................................................................................................... 22
3.1 Internet access ........................................................................... 22
3.2 SMS ..................................................................................... 23
3.3 start-up mode switching .................................................................... 23
3.4 Extended Mass Memory .................................................................... 24
4. Application Illustration ............................................................................................................................................... 24
4.1 Dial-up procedure ......................................................................... 24
4.2 SMS ..................................................................................... 25
4.2.1 Message Format .................................................................................................................................................. 25
4.2.2 Set Message Storage Location .......................................................................................................................... 25
4.2.3 PDU Format .......................................................................................................................................................... 26
4.2.4 TEXT Format ........................................................................................................................................................ 27
4.2.5 SMS Service Center Address Setting ............................................................................................................... 29
4.3 Start-up Mode Switching ................................................................... 29
Appendix：Mechanical dimensions of U6100 ..................................................... 30