User's Manual
Table Of Contents
- Contents
- Table Index
- Figure Index
- 0. Revision history
- 1. Introduction
- 2. Product concept
- 3. Application interface
- 3.1. Pin
- 3.2. Operating modes
- 3.3. Power supply
- 3.4. Power on and down scenarios
- 3.5. Charging interface
- 3.6. Power saving
- 3.7. Summary of state transitions
- 3.8. RTC backup
- 3.9. Serial interfaces
- 3.10. Audio interfaces
- 3.11. SIM card interface
- 3.12. SD card interface
- 3.13. PCM interface
- 3.14. ADC
- 3.15. Behaviors of the RI
- 3.16. Network status indication
- 3.17. Operating status indication
- 4. Antenna interface
- 5. Electrical, reliability and radio characteristics
- 6. Mechanical dimensions
- 7. Storage and manufacturing
- Appendix A: GPRS coding schemes
- Appendix B: GPRS multi-slot classes
M80 Hardware Design
M80_HD_V1.2 - 8 -
FIGURE 42: RI BEHAVIOR OF DATA CALLING AS A RECEIVER ................................................ 68
FIGURE 43: RI BEHAVIOR AS A CALLER ........................................................................................ 68
FIGURE 44: RI BEHAVIOR OF URC OR SMS RECEIVED .............................................................. 69
FIGURE 45: REFERENCE DESIGN FOR NETLIGHT ....................................................................... 70
FIGURE 46: REFERENCE DESIGN FOR STATUS ............................................................................ 71
FIGURE 47: REFERENCE DESIGN FOR RF ...................................................................................... 72
FIGURE 48: RF SOLDERING SAMPLE ............................................................................................. 74
FIGURE 49: M80 TOP AND SIDE DIMENSIONS（UNIT: MM） .................................................... 80
FIGURE 50: M80 BOTTOM DIMENSIONS（UNIT: MM） ............................................................. 81
FIGURE 51: FOOTPRINT ONE OF RECOMMENDATION（UNIT: MM） .................................... 82
FIGURE 52: FOOTPRINT TWO OF RECOMMENDATION（UNIT: MM） .................................... 83
FIGURE 53: TOP VIEW OF THE MODULE ....................................................................................... 84
FIGURE 54: BOTTOM VIEW OF THE MODULE .............................................................................. 85
FIGURE 55: PASTE APPLICATION .................................................................................................... 87
FIGURE 56: RAMP-SOAK-SPIKE REFLOW PROFILE .................................................................... 88
FIGURE 57: MODULE TRAY .............................................................................................................. 88
FIGURE 58: RADIO BLOCK STRUCTURE OF CS-1, CS-2 AND CS-3 ........................................... 89
FIGURE 59: RADIO BLOCK STRUCTURE OF CS-4 ........................................................................ 89