Fibocom MG661-EU - Default Chapter; Table of Contents

Contents
1
Contents
Applicable Model ............................................................................................... 4
Change History .................................................................................................. 5
1 Product Overview ........................................................................................... 6
1.1 Product Introduction ......................................................................................... 6
1.2 Product Specifications ..................................................................................... 6
1.3 Hardware Block Diagram ................................................................................. 8
1.4 Description of Development Board .................................................................. 9
2 Pin Definition ................................................................................................ 10
2.1 Pin Attributes .................................................................................................. 10
2.2 Pin Distribution ............................................................................................... 10
2.3 Pin Details ...................................................................................................... 13
3 Application Interfaces .................................................................................. 24
3.1 Power Interfaces ............................................................................................ 24
3.1.1 Electrical Indicators .................................................................................. 24
3.1.2 Power Input .............................................................................................. 25
3.1.3 Power Output ........................................................................................... 27
3.2 Control Interfaces .......................................................................................... 27
3.2.1 Power-on .................................................................................................. 27
3.2.2 Power-off .................................................................................................. 29
3.2.3 Reset ........................................................................................................ 31
3.2.4 Download ................................................................................................. 33
3.3 Baseband Interface ........................................................................................ 33
3.3.1 USB 2.0 .................................................................................................... 33
3.3.2 UART ....................................................................................................... 35
3.3.3 I2C............................................................................................................ 36
3.3.4 PCM/I2S ................................................................................................... 37
3.3.5 SIM ........................................................................................................... 39
3.3.6 ADC .......................................................................................................... 43
3.3.7 Status Indication ...................................................................................... 44