Input Payload Capability (INPAY) – Offset 6
This register indicates the total input payload available on the link.
| Bit Range | Default | Access | Field Name and Description |
| 15:0 | 1dh | RO/V | Input Payload Capability (INPAY) Indicates the total input payload available on the link. This does not include bandwidth used for response. This measurement is in 16-bit word quantities per 48 kHz frame. he default link clock speed of 24.000 MHz provides 500 bits per frame, or 31.25 words in total. 36 bits are used for response, leaving 29 words for data payload. Note: This value does not reflect any bandwidth increase due to support for multiple SDI lines. 00h: 0 words 01h: 1 word payload ... FFh: 255h word payload Note: In the event that multiple links capability is supported (with MLCD.LCOUNT > 0), the payload advertised will be the lowest common denominator offered by the default clock frequency on each link. Note: This field is used only by software which are not multi-link aware or do not utilize the multi-link capability. Software which utilizes the multi-link capability will discover the actual link payload via the capabilities list. |