Quectel M20

M20 EVB User Guide
Table Index
TABLE 1: RELATED DOCUMENTS.....................................................................................................6
TABLE 2: PIN OF POWER INTERFACE ............................................................................................11
TABLE 3: PINS OF AUDIO CHANNEL 1 ...........................................................................................12
TABLE 4: PINS OF AUDIO CHANNEL 2 ...........................................................................................12
TABLE 5: PINS OF SIM CARD INTERFACE .....................................................................................13
TABLE 6: PINS OF SERIAL PORT 0 ...................................................................................................15
TABLE 7: PINS OF SERIAL PORT 1 ...................................................................................................15
TABLE 8: SWITCHES AND BUTTONS..............................................................................................16
TABLE 9: OPERATING STATUS INDICATION LED ........................................................................17
TABLE 10: PINS OF J1 .........................................................................................................................19
TABLE 11: PINS OF J2 .........................................................................................................................20
TABLE 12: PINS OF J3 .........................................................................................................................21
TABLE 13: PIN DEFINITION OF B2B CONNECTOR.......................................................................26
M20_EVB_UGD_V1.01 - 3 -
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