Neoway N21 EVK, User Manual

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N21 EVK
User Guide
Copyright © Neoway Technology Co., Ltd 4
M5X0-PWR is connected to the N21 EVB through 4-pin cables, which have been soldered to the
power board in a sequence of red, black, yellow, and green at one end and should be inserted into the
plug of the EVB at the other end. Among the 4-pin cables:

Green
Module TXD, outputs 3.3 V CMOS level

Yellow
Module RXD, inputs maximum 3.3 V CMOS level

Black
Ground

Red
3.8 V power supply. It is not applicable to N21 EVB.