Sim2 M80 Uživatelská příručka stáhnout pdf (Strana 32)

M80 EVB User Guide

M80_EVB_User_Guide_V1.2 - 31 -

Table 13: Pins of Serial port

Signal

I/O

Description

Note

VUSB

USB power

USB_DM

I/O

USB data negative

USB_DP

I/O

USB data positive

GND

Ground

3.7. SD card

The module provides SD card interface, whose maximum capacity is up to 32GB. M80 EVB

reserves an SD card socket in the board. The pin definition and reference design are shown as

below.

Figure 31: Micro SD card circuit

Quectel

Confidential

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