Sim2 M80 User's Guide download pdf (Page 26)

EVB User Guide

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3.10.4 CON104

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Figure 19: CON104

Table 18: Pins of CON104

Pin

Signal

I/O

Description

Note

1

RESERVED

2

TXD

O

Transmit data

3

GND

GND

4

RI

O

Ring indicator

5

EINT1

I

External interrupt

6

RXD

I

Receive data

7

DCD

O

Data carrier detection

8

CTS

O

Clear to send

9

DTR

I

Data terminal ready

10

RTS

I

Request to send

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