Quectel M.2 EVB, Руководство пользователя

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LTE Module Series
M.2 EVB User Guide
M.2_EVB_User_Guide 5 / 37
Figure Index
FIGURE 1: M.2 EVB INTERFACE OVERVIEW .................................................................................................. 9
FIGURE 2: M.2 EVB TOP VIEW ........................................................................................................................ 11
FIGURE 3: M.2 EVB BOTTOM VIEW ............................................................................................................... 12
FIGURE 4: M.2 EVB KIT ACCESSORIES ........................................................................................................ 13
FIGURE 5: M.2 EVB KIT ACCESSORIES ASSEMBLY .................................................................................... 15
FIGURE 6: POWER SUPPLY FOR M.2 EVB .................................................................................................... 16
FIGURE 7: POWER INTERFACE ..................................................................................................................... 17
FIGURE 8: POWER PLUG DESIGN ................................................................................................................. 17
FIGURE 9: CONNECTION BETWEEN THE MODULE AND EVB.................................................................... 18
FIGURE 10: USB TYPE-C INTERFACE CIRCUIT ........................................................................................... 19
FIGURE 11: REFERENCE DESIGN FOR CONNECTION BETWEEN CODEC BOARD AND EVB ................ 20
FIGURE 12: CONNECTION BETWEEN CODEC BOARD AND EVB .............................................................. 20
FIGURE 13: REFERENCE CIRCUIT DESIGN FOR EARPHONE INTERFACE J302 ..................................... 21
FIGURE 14: PIN ASSIGNMENT OF J302 ......................................................................................................... 21
FIGURE 15: SKETCH OF AUDIO PLUG .......................................................................................................... 22
FIGURE 16: REFERENCE CIRCUIT DESIGN FOR HANDSET INTERFACE J303 ........................................ 22
FIGURE 17: PIN ASSIGNMENT OF J303 ......................................................................................................... 23
FIGURE 18: PIN ASSIGNMENTS OF J401/J402 ............................................................................................. 24
FIGURE 19: SWITCHES AND BUTTON ........................................................................................................... 25
FIGURE 20: STATUS INDICATORS ................................................................................................................. 26
FIGURE 21: TEST POINT J502 ........................................................................................................................ 27
FIGURE
22: TEST POINTS J503, J504 AND J505 ........................................................................................... 28
FIGURE
23: TEST POINTS J202, J601, J602, J603 AND J604 ....................................................................... 30
FIGURE 24: USB PORTS ................................................................................................................................. 33
FIGURE 25: COM PORT SETTING FIELD ON QCOM (USB AT PORT CONNECTION) ................................ 33
FIGURE 26: CONFIGURATIONS FOR FIRMWARE UPGRADE ..................................................................... 34
FIGURE 27: LOCATION OF R607 .................................................................................................................... 35
FIGURE 28: LOCATION OF J603 AND J604 .................................................................................................... 36