MEIG SLM770A - Page 6

SLM770A Module Hardware Design Manual
MeiG Smart Technology Co., Ltd 77/77
Table Index
Table 1 SLM770A-C module supports the following frequency bands ................................................. 11
Table 2 SLM770A-E supports the following frequency bands .............................................................. 11
Table 2 SLM770A-SC supports the following frequency bands ........................................................... 11
Table 3 List of main features of the module ......................................................................................... 13
Table 4 IO parameter definition............................................................................................................ 18
Table 5 Pin description ......................................................................................................................... 18
Table 6 Overview of operating modes ................................................................................................. 25
Table 7 VBAT pin and ground pin ........................................................................................................ 27
Table 8 PWRKEY pin description ........................................................................................................ 31
Table 9 RESET_N pin description ......................................................................................................... 34
Table 10 USIM/SIM interface ................................................................................................................. 36
Table 11 USB pin description ................................................................................................................. 38
Table 12 Main serial port pin description ............................................................................................... 40
Table 13 Debug serial port pin description ............................................................................................ 40
Table 14 Serial logic level ...................................................................................................................... 40
Table 15 PCM interface pin description ................................................................................................. 42
Table 16 Network indicator pin description ............................................................................................ 43
Table 17 The network indicates the working status of pins ................................................................... 43
Table 18 STATUS pin description .......................................................................................................... 44
Table 19 USB_BOOT pin definition ....................................................................................................... 45
Table 19 Analog audio interface definition............................................................................................. 46
Table 20 GNSS performance list ........................................................................................................... 49
Table 21 Definition of Antenna Interface Pin ......................................................................................... 51
Table 22 Antenna requirements ............................................................................................................. 53
Table 23 SLM770A-C RF transmitted power ......................................................................................... 54
Table 24 SLM770A-E RF transmitted power ......................................................................................... 55
Table 25 SLM770A-C Module RF receiving sensitivity ......................................................................... 56
Table 26 SLM770A-E Module RF receiving sensitivity.......................................................................... 56
Table 27 SLM770A-C working frequency .............................................................................................. 57
Table 28 SLM770A-E working frequency .............................................................................................. 58
Table 29 Requirements for antenna index............................................................................................. 59
Table 30 Requirements for diversity antenna index .............................................................................. 59
Table 31 Limiting working voltage range of the module ........................................................................ 61
Table 32 Temperature range of the module .......................................................................................... 62
Table 33 Logic Levels of ordinary digital IO signals .............................................................................. 62
Table 34 Electrical characteristics of power supply in working status ................................................... 62
Table 35 Environmental reliability requirements .................................................................................... 63
Table 36 ESD performance parameter (Temperature: 25℃, Humidity: 45%) ....................................... 64
Table 37 SLM770A module scenario power consumption data ............................................................ 64
Table 38 Abbreviations .......................................................................................................................... 72
Table 39 Description of different coding schemes ................................................................................. 76