Altera Serial Digital Interface (SDI) MegaCore Function - Manual (Page 83)

Chapter 3: Functional Description 3–53
Signals
February 2013 Altera Corporation Serial Digital Interface (SDI) MegaCore Function
User Guide
Figure 3–40. Behavior of rx_anc_data/valid/error Signals—HD
Notes to Figure 3–40 :
(1) Sequence starts with Data Indentifier (DID), followed by Secondary Data Indentifier (SDID) or Data Block Number
(DBN).
(2) The Y channel goes wrong.
(3) Data Count (DC) word.
(4) User data word (UDW) up to 255 words.
(5) Checksum word.
Figure 3–41. Behavior of rx_anc_data/valid/error Signals Without Error —SD
Figure 3–42. Behavior of rx_anc_data/valid/error Signals With Error—SD
rx_anc_data[19:10] 000 3FF 179 000 20F 055 1FC
000 3FF 179 20F 055 1FC
rx_clk (148.5 Hz)
rx_anc_data[9:10]
rx_anc_valid[3]
rx_anc_valid[2]
rx_anc_valid[1]
rx_anc_valid[0]
rx_anc_error[3]
rx_anc_error[2]
rx_anc_error[1]
rx_anc_error[0]
(1)(2) (3) (4) (5)
rx_anc_data[9:0]
rx_clk (67.5 MHz)
000 3FF 3FF 179 000 055 20F
rx_anc_valid[0]
rx_anc_error[0]
rx_anc_data[9:0]
rx_clk (67.5 MHz)
000 3FF 3FF 179 000 055 20F
rx_anc_valid[0]
rx_anc_error[0]