
Standards and Specifications
External Connectors
Sync In Connector (DE9P)
Parameter | Nominal |
|
|
| Minimum | Maximum | Notes | |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Reference frequency | 1 MHz |
|
|
| −25 Hz |
|
| +25 Hz |
| |||||||
Input duty cycle |
|
|
|
|
|
| 45% |
|
|
|
| 55% |
| |||
Input voltage |
|
|
|
|
|
|
| 0 V |
|
|
|
| 1.5 V |
| ||
Input voltage |
|
|
|
|
|
|
| 3.5 V |
|
| 5 V |
| ||||
Input current |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 2 mA | Vin<0.5 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 5 |
| 4 | 3 |
| 2 | 1 |
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 9 | 8 | 7 | 6 | |
|
|
|
|
|
| |||||
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
| |
Pin Number | Signal Type |
| Function | |||||||
1 | CMOS input |
| Reserved | |||||||
2 | RS232 Output |
| Reserved | |||||||
3 | RS232 Input |
| Reserved | |||||||
4 | CMOS input |
| 1 MHz clock input | |||||||
5 | CMOS input |
| Reserved | |||||||
6 | Ground |
| Ground | |||||||
7 | Ground |
| Ground | |||||||
8 | Ground |
| Ground | |||||||
9 | Ground |
| Ground | |||||||
|
|
|
|
|
|
|
|
|
|
|