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Standards and Specifications
External Connectors
5 Standards and
Specifications
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
|
OL
≤5 mA
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
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