Data Sheet

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Datasheet [Page 23]

EMW3080V2

Convert circuit is shown in Figure 16.

Note: Inside module, pin 21 MICO_UART1_TXD has 100k weak pull-up resistor, as well as pin 22

MICO_UART1_RXD. MICO_PWM3 has 100k pull-down resistor. CHIP_EN has 100k pull-up resistor and 0.01uF

earth capacity. Please pay special attention to the design schematics and PCB, allocate the pull-up and pull-down

resistance according to the internal hardware.

Figure 16 3.3V UART- 5V UART Convert Circuit