Altera Serial Digital Interface (SDI) MegaCore Function User Manual
Page 80

3–50
Chapter 3: Functional Description
Signals
Serial Digital Interface (SDI) MegaCore Function
February 2013
Altera Corporation
User Guide
lists the status signals.
1080p60
1080
2200
60
1
1
7
1080p59.94
59.94
6
1080p50
2640
50
5
1080p30
1080
2200
30
1
1
4
1080p29.97
29.97
3
1080p25
2640
25
2
1080p24
2750
24
1
1080p23.97
23.97
0
Table 3–17. Receiving Video Format Specification (Part 2 of 2)
Video
Standard
Total Active
Lines
Word per
Total Line
Rate
rx_video_format
[7:5]
rx_video_format
[4]
rx_video_format
[3:0]
Progressive/
Interlace
Frame Rate
Table 3–18. Status Signals (Part 1 of 2)
Signal
Width
Direction
Description
rx_anc_data
[(20N – 1):0]
Output
Received ancillary data.
SD-SDI: bits 19:10 unused; bits 9:0 Cb, Y, Cr, Y multiplex
HD-SDI: bits 19:10 Y; bits 9:0 C
Dual link: bits 39:30 Y (link B); bits 29:20 C (link B);
bits 19:10 Y (link A); bits 9:0 C (link A)
3G-SDI Level A: bits 19:10 Y; bits 9:0 C
3G-SDI Level B: bits 19:10 Cb, Y, Cr, Y multiplex (link A);
bits 9:0 Cb, Y, Cr, Y multiplex (link B)
rx_anc_error
[3:0]
Output
Ancillary data or checksum error.
SD-SDI: bits 3:1 unused; bit 0 rx_anc_error
HD-SDI: bits 3:2 unused; bit 1 Y; bit 0 C
Dual link: bit 3 Y (link B); bit 2 C (link B); bit 1 Y (link A);
bit 0 C (link A)
3G-SDI Level A: bits 3:2 unused; bit 1 Y; bit 0 C
3G-SDI Level B: bit 3 Y (link A); bit 2 C (link A);
bit 1 Y (link B); bit 0 C (link B)
rx_anc_valid
[3:0]
Output
Ancillary data valid. Asserted to accompany data ID (DID),
secondary data ID/data block number (SDID/DBN), data
count (DC), and user data words (UDW) on rx_anc_data.
SD-SDI: bits 3:1 unused; bit 0 rx_anc_valid
HD-SDI: bits 3:2 unused; bit 1 Y; bit 0 C
Dual link: bit 3 Y (link B); bit 2 C (link B); bit 1 Y (link A);
bit 0 C (link A)
3G-SDI Level A: bits 3:2 unused; bit 1 Y; bit 0 C
3G-SDI Level B: bit 3 Y (link A); bit 2 C (link A);
bit 1 Y (link B); bit 0 C (link B)