Use Instructions

Table Of Contents
L710HG Hardware Design
2
Contents
1 ABOUT THIS DOCUMENT ...................................... 5
1.1Applicable scope ....................................................................................................................................... 5
1.2 Writing purpose ....................................................................................................................................... 5
1.3 Support and reference documents list .................................................................................................... 5
1.4 Terms and Abbreviations ........................................................................................................................ 6
2 PRODUCT OVERVIEW ......................................... 8
2.1 Package Dimensions ................................................................................................................................ 9
2.2 Product Function Outline ..................................................................................................................... 11
2.2.1 Hardware Diagram ....................................................... 11
2.2.2 Radio frequency function ............................................... 11
2.2.3 Antenna information .................................................... 12
3 INTERFACE DESCRIPTION ................................... 13
3.1 PIN Definition ....................................................................................................................................... 13
3.1.1 Pin I/O parameter definition ........................................... 13
3.1.2 Pin Map ................................................................ 13
3.1.3 PIN Definition and function description ................................ 14
3.2 Operating condition .............................................................................................................................. 18
3.3 Digital I/O characteristics ..................................................................................................................... 19
3.4 Power Interface ...................................................................................................................................... 19
3.4.1 Power supply pin description ........................................... 19
3.4.2 Power supply requirements .............................................. 20
3.4.3 Power Supply Design Guide .............................................. 20
3.4.4 Recommended Power supply circuit ....................................... 21
3.4.5 Power Supply Layout guide .............................................. 22
3.5 UIM interface ......................................................................................................................................... 22
3.5.1 Pin definition ......................................................... 22
3.5.2 Design Guide ........................................................... 23
3.5.3 UIM interface reference circuit ........................................ 23
3.6 PCM interface(TBD) ............................................................................................................................. 24
3.6.1 PCM interface definition ............................................... 24
3.6.2 PCM interface application .............................................. 25
3.7 USB2.0 interface .................................................................................................................................... 26
3.7.1 USB interface pin definition ........................................... 26
3.7.2 USB Interface application .............................................. 26
3.8 UART Interface ...................................................................................................................................... 27
3.8.1 Pin description ........................................................ 27
3.8.2 UART interface application ............................................. 28