NIHSDIO_ATTR_REF_CLOCK_SOURCE
- Updated2023-02-21
- 1 minute(s) read
Specific Attribute
| Data type |
Access | Applies to | Coercion | High-Level Functions |
|---|---|---|---|---|
| ViString | R/W | N/A | None | niHSDIO_ConfigureRefClock |
Description
Use this attribute to specify the Reference clock source.
Defined Values:
| NIHSDIO_VAL_NONE_STR ("None") | The device does not use a Reference clock. |
| NIHSDIO_VAL_CLK_IN_STR ("ClkIn") | The device uses the clock present at the front panel CLK IN SMB jack connector. |
| NIHSDIO_VAL_PXI_CLK_STR ("PXI_CLK") | The device chooses between the PXI_CLK10 and PXIe_CLK100 signals, which are present on the backplane. |
| NIHSDIO_VAL_RTSI7_STR ("RTSI7") | The device uses RTSI trigger line 7. This selection is valid only for PCI devices. |
| NIHSDIO_VAL_DSTARA_STR ("PXIe_DStarA") | The device uses the PXIe_DStarA signal present on the PXI Express backplane as the Sample clock source. This selection is valid only for NI 6555/6556 devices. |