User's Manual

Promi-SD™ User Manual ver 1.3

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1.6 Interface- RS232 / Bluetooth

1.6.1 RS232 Interface

Promi-SD

has a 9-PIN DSUB (female) connector as shown below in Fig 1.7.1.

Figure 1.7.1 9-PIN DSUB (Female)

z The serial interface is RS232 DCE configured; a DTE device can be

connected.

z Baud rate: 1200~115200 bps

z Hardware flow control (RTS/CTS)

Pin Signal Direction

1 CD Not connected

2 TxD Output

3 RxD Input

4 DSR Input

5 GND -

6 DTR Output

7 CTS Input

8 RTS Output

9 Vcc Input

Table 1.7.1. Promi-SD™ 9-PIN Specification

(DSR/DTR will not be available for Promi-SD101 until Aug. 11, 2003)

*NOTE

: Promi-SD™ series, starting from version no. v2i will include an

Automatic Detection Feature of hardware flow control