Sim2 M80 Uživatelská příručka stáhnout pdf (Strana 15)

EVB User Guide

M80_EVB_UGD_V1.0 - 14 -

Table 5: Pins of audio channel 1

Pin

Signal

I/O

Description

Note

1

MIC1N

I

Negative microphone input

2

SPK1N

O

Negative receiver output

3

SPK1P

O

Positive receiver output

4

MIC1P

I

Positive microphone input

3.3. Loud speaker

1

2

Figure 6: Loud speaker interface

Table 6: Pins of loud speaker

Pin

Signal

I/O

Description

Note

1

LOUDSPKN

O

Negative loud speaker output

2

LOUDSPKP

O

Positive loud speaker output

Quectel

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Quectel Cellular Engine 1
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