￿

To select the GPIO signals, place the jumper between JP3 and JP4. The GPIO signals are available at JP7

Standard serial RS-232 signals are available on the DB-9 connectors J2 and J3 for serial ports 1 and 2, as shown in Figure 8.

Figure 8 Serial Port DB-9 Connector

Table 6 DB-9 Pinouts for RS-232 Mode

DB-9

RS-232 Signal

Type

 

 

 

1

DCD

Input

 

 

Enabled via header

 

 

 

2

RXD

Input

 

 

 

3

TXD

Output

 

 

 

4

DTR

Output

 

 

Enabled via header

 

 

 

5

Ground

 

 

 

 

6

DSR

Input

 

 

Enabled via header

 

 

 

7

RTS

Output

 

 

 

8

CTS

Input

 

 

 

9

NC

 

 

 

 

Page 14

silex

SX-550 Evaluation Daughtercard

 

 

Hardware Configuration

 

Part Number 40183-101

 

Page 20
Image 20
Silex technology SX-550 manual Ground