Antenna – SENA Promi-ESD02 User Manual
Page 25
Promi-ESD User Manual – Connections
25
Copyright © 2006 Sena Technologies, Inc. All rights reserved.
Pin Assignment (ESD02)
1
2
3
4
8
7
6
5
GND
VDD
Status
RST
RXD
TXD
RTS
CTS
Antenna
Pin no.
Pin name
Direction
Description
Signal Level
1
GND
I
Power Ground
Ground
2
VDD
I
DC input (3.0 ~ 3.3V)
Power
3
Status
O
Bluetooth
Connect
Detect (Active High)
TTL
4
RST
I
Reset (Active Low)
TTL
5
CTS
I
UART Clear to Send
TTL
6
RTS
O
UART Ready to Send
TTL
7
TXD
O
UART data out
TTL
8
RXD
I
UART data input
TTL
RTS/CTS : RTS and CTS signal will be used for Hardware Flow Control of
Promi-ESD.
Promi-ESD RTS
CTS
Promi-ESD CTS
RTS
If you are not using Hardware flow control (handshaking), please bridge CTS and
GND to disable the function.
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.