User's Manual

Promi-ESD User Manual – Connections 24
© 2005 Initium Co., Ltd. All rights reserved.
Promi-ESD Pin Assignment
 Pin Assignment (Promi-ESD01)
7 8 9 10 11 12
2 3 4 5 6 1
GND
GNDNC
VDDRTSTXD RXD CTS
DTRStatus DSR RST
Pin no. Pin name Direction Description Signal Level
1 GND I Power Ground Ground
2 TXD O UART data out TTL
3 RXD I UART data input TTL
4 RTS O UART Ready to Send TTL
5 CTS I UART Clear to Send TTL
6 VDD I DC input (3.0 ~ 3.3V) Power
7 NC I No Connection -
8 Status O Bluetooth Connect
Detect (Active Low)
TTL
9 DSR I Data Set Ready TTL
10 DTR O Data Terminal Ready TTL
11 RST I Reset (Active Low) TTL
12 GND O Power Ground Ground