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Altera Serial Digital Interface (SDI) MegaCore Function User Manual

Page 80

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3–50

Chapter 3: Functional Description

Signals

Serial Digital Interface (SDI) MegaCore Function

February 2013

Altera Corporation

User Guide

Table 3–18

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)