User's Manual

M80 Hardware Design
M80_HD_V1.2 - 7 -
Figure Index
FIGURE 1: MODULE FUNCTIONAL DIAGRAM ............................................................................. 19
FIGURE 2: PIN ASSIGNMENT ............................................................................................................ 21
FIGURE 3: RIPPLE IN SUPPLY VOLTAGE DURING TRANSMITTING BURST ........................... 31
FIGURE 4: REFERENCE CIRCUIT OF THE VBAT INPUT .............................................................. 32
FIGURE 5: REFERENCE CIRCUIT OF THE SOURCE POWER SUPPLY INPUT ........................... 32
FIGURE 6: TURN ON THE MODULE USING DRIVING CIRCUIT................................................. 34
FIGURE 7: TURN ON THE MODULE USING KEYSTROKE ........................................................... 34
FIGURE 8: TIMING OF TURNING ON SYSTEM .............................................................................. 35
FIGURE 9: TIMING OF TURNING OFF THE MODULE .................................................................. 36
FIGURE 10: REFERENCE CIRCUIT FOR EMERG_OFF BY USING DRIVING CIRCUIT ............ 38
FIGURE 11: REFERENCE CIRCUIT FOR EMERG_OFF BY USING BUTTON .............................. 38
FIGURE 12: TIMING OF RESTARTING SYSTEM ............................................................................ 39
FIGURE 13: TIMING OF RESTARTING SYSTEM AFTER EMERGENCY SHUTDOWN .............. 39
FIGURE 14: RTC SUPPLY FROM NON-CHARGEABLE BATTERY ............................................... 42
FIGURE 15: RTC SUPPLY FROM RECHARGEABLE BATTERY .................................................... 42
FIGURE 16: RTC SUPPLY FROM CAPACITOR ................................................................................ 42
FIGURE 17: SEIKO XH414H-IV01E CHARGE CHARACTERISTICS ............................................. 43
FIGURE 18: REFERENCE DESIGN FOR FULL-FUNCTION UART ................................................ 46
FIGURE 19: REFERENCE DESIGN FOR UART PORT ..................................................................... 46
FIGURE 20: REFERENCE DESIGN FOR UART PORT WITH HARDWARE FLOW CONTROL .. 47
FIGURE 21: REFERENCE DESIGN SOFTWARE UPGRADE........................................................... 47
FIGURE 22: REFERENCE DESIGN FOR DEBUG PORT .................................................................. 48
FIGURE 23: REFERENCE DESIGN FOR AUXILIARY UART PORT ............................................... 49
FIGURE 24: LEVEL MATCH DESIGN FOR 3.3V SYSTEM ............................................................. 49
FIGURE 25: LEVEL MATCH DESIGN FOR 5V SYSTEM ................................................................ 50
FIGURE 26: LEVEL MATCH DESIGN FOR RS-232 .......................................................................... 51
FIGURE 27: REFERENCE DESIGN FOR AIN1&AIN2...................................................................... 54
FIGURE 28: REFERENCE DESIGN FOR AOUT1 .............................................................................. 54
FIGURE 29: HANDSET INTERFACE DESIGN FOR AOUT2 ........................................................... 55
FIGURE 30: SPEAKER INTERFACE DESIGN WITH AN AMPLIFIER FOR AOUT2 ..................... 55
FIGURE 31: EARPHONE INTERFACE DESIGN ............................................................................... 56
FIGURE 32: LOUD SPEAKER INTERFACE DESIGN ....................................................................... 56
FIGURE 33: REFERENCE CIRCUIT OF THE 8 PINS SIM CARD .................................................... 58
FIGURE 34: REFERENCE CIRCUIT OF THE 6 PINS SIM CARD .................................................... 59
FIGURE 35: AMPHENOL C707 10M006 512 2 SIM CARD HOLDER .............................................. 60
FIGURE 36: MOLEX 91228 SIM CARD HOLDER ............................................................................ 61
FIGURE 37: REFERENCE CIRCUIT OF SD CARD ........................................................................... 62
FIGURE 38: LONG SYNCHRONIZATION DIAGRAM ..................................................................... 65
FIGURE 39: SHORT SYNCHRONIZATION DIAGRAM ................................................................... 65
FIGURE 40: REFERENCE DESIGN FOR PCM .................................................................................. 66
FIGURE 41: RI BEHAVIOR OF VOICE CALLING AS A RECEIVER .............................................. 68