Standards and Specifications

External Connectors

Sync Out Connector (DE9S)

Parameter

Nominal

Minimum

Maximum

Notes

 

 

 

 

 

Reference frequency

1 MHz

25 Hz

+25 Hz

 

Output duty cycle

 

45%

55%

 

Output voltage (Logic-0)

 

0 V

0.8 V

OH≥−5 mA

Output voltage (Logic-1)

 

4 V

5 V

OL5 mA

 

 

 

 

 

and Standards 5 Specifications

1

2

3

4

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

7

8

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Number

Signal Type

 

 

Function

1

CMOS Output

 

 

Reserved

2

RS232 Input

 

 

Reserved

3

RS232 Output

 

 

Reserved

4

CMOS Output

 

 

1 MHz clock output

5

CMOS Output

 

 

Reserved

6

Ground

 

 

Ground

7

Ground

 

 

Ground

8

Ground

 

 

Ground

9

Ground

 

 

Ground

 

 

 

 

 

 

 

 

 

 

 

5-9