Product Info

Automotive Module Series
AG35 Hardware Design
AG35_Hardware_Design 9 / 129
Figure Index
FIGURE 1: FUNCTIONAL DIAGRAM ............................................................................................................... 22
FIGURE 2: PIN ASSIGNMENT (TOP VIEW)..................................................................................................... 24
FIGURE 3: SLEEP MODE CURRENT CONSUMPTION DIAGRAM ................................................................ 37
FIGURE 4: SLEEP MODE APPLICATION VIA UART ....................................................................................... 38
FIGURE 5: SLEEP MODE APPLICATION WITH USB REMOTE WAKEUP .................................................... 39
FIGURE 6: SLEEP MODE APPLICATION WITH RI ......................................................................................... 39
FIGURE 7: SLEEP MODE APPLICATION WITHOUT SUSPEND FUNCTION ................................................ 40
FIGURE 8: POWER SUPPLY LIMITS DURING BURST TRANSMISSION ...................................................... 42
FIGURE 9: STAR STRUCTURE OF THE POWER SUPPLY............................................................................ 42
FIGURE 10: REFERENCE CIRCUIT OF POWER SUPPLY ............................................................................ 43
FIGURE 11: TURN ON THE MODULE USING DRIVING CIRCUIT ................................................................. 44
FIGURE 12: TURN ON THE MODULE USING KEYSTROKE ......................................................................... 44
FIGURE 13: TIMING OF TURNING ON MODULE ........................................................................................... 45
FIGURE 14: TIMING OF TURNING OFF MODULE ......................................................................................... 46
FIGURE 15: SHUT DOWN THE MODULE USING DRIVING CIRCUIT ........................................................... 47
FIGURE 16: TIMING OF TURNING OFF MODULE VIA SHDN_N ................................................................... 47
FIGURE 17: REFERENCE CIRCUIT OF RESET_N BY USING DRIVING CIRCUIT ...................................... 48
FIGURE 18: REFERENCE CIRCUIT OF RESET_N BY USING BUTTON ...................................................... 48
FIGURE 19: TIMING OF RESETTING MODULE ............................................................................................. 49
FIGURE 20: REFERENCE CIRCUIT OF (U)SIM INTERFACE WITH AN 8-PIN (U)SIM CARD CONNECTOR
................................................................................................................................................................... 50
FIGURE 21: REFERENCE CIRCUIT OF (U)SIM INTERFACE WITH A 6-PIN (U)SIM CARD CONNECTOR . 50
FIGURE 22: REFERENCE CIRCUIT OF USB APPLICATION ......................................................................... 52
FIGURE 23: REFERENCE CIRCUIT WITH TRANSLATOR CHIP ................................................................... 54
FIGURE 24: REFERENCE CIRCUIT WITH TRANSISTOR CIRCUIT .............................................................. 55
FIGURE 25: PRIMARY MODE TIMING ............................................................................................................ 57
FIGURE 26: AUXILIARY MODE TIMING .......................................................................................................... 58
FIGURE 27: REFERENCE CIRCUIT OF PCM APPLICATION WITH AUDIO CODEC .................................... 59
FIGURE 28: REFERENCE CIRCUIT OF SD CARD APPLICATION ................................................................ 61
FIGURE 29: REFERENCE CIRCUIT FOR CONNECTION WITH AF20 MODULE .......................................... 66
FIGURE 30: REFERENCE CIRCUIT OF THE NETWORK INDICATOR .......................................................... 69
FIGURE 31: REFERENCE CIRCUIT OF THE STATUS ................................................................................... 70
FIGURE 32: REFERENCE CIRCUIT OF USB_BOOT INTERFACE ................................................................ 71
FIGURE 33: REFERENCE CIRCUIT OF RF ANTENNA INTERFACES ........................................................... 82
FIGURE 34: MICROSTRIP DESIGN ON A 2-LAYER PCB ............................................................................... 83
FIGURE 35: COPLANAR WAVEGUIDE DESIGN ON A 2-LAYER PCB ........................................................... 83
FIGURE 36: COPLANAR WAVEGUIDE DESIGN ON A 4-LAYER PCB (LAYER 3 AS REFERENCE GROUND)
................................................................................................................................................................... 84
FIGURE 37: COPLANAR WAVEGUIDE DESIGN ON A 4-LAYER PCB (LAYER 4 AS REFERENCE GROUND)
................................................................................................................................................................... 84
FIGURE 38: REFERENCE CIRCUIT OF GNSS ANTENNA ............................................................................. 85