User's Manual

Promi-ESD User Manual – Connections 26

DCD : Status of Bluetooth connection will be delivered to Host PC via DCD line.

When Bluetooth connection is made, DCD signal will be in state OFF. For

disconnection of Bluetooth, DCD signal will become state ON.

Connection Module  low signal

RST(Reset) : RST signal will be used for initialization of Promi-ESD. RST

should be on 0V status for at least 1 second for this.

Promi-ESD01

 When TTL level of MICOM is 3.3V

MICOM

PROMI-ESD01

MICRO-VDD

MICOM-RXD

MICOM-CTS

MICOM-RTS

MICOM-RST

MICOM-DTR

MICOM-DSR

TXD

RXD

CTS

RTS

RST

DTR

DSR

MICOM-TXD

MICOM-GND

VDD

GND

MICOM-DCD Status

DC 3.3V

 When TTL level of MICOM is 3.3V and not using hardware flow control.