Altera Serial Digital Interface (SDI) MegaCore Function - Manual (Page 82)

3–52 Chapter 3: Functional Description
Signals
Serial Digital Interface (SDI) MegaCore Function February 2013 Altera Corporation
User Guide
Figure 3–38 and Figure 3–42 show the behavior of the rx_anc_data signal in
Table 3–18 on page 3–50 .
Figure 3–38. Behavior of rx_anc_data/valid/error Signals—425MA
Notes to Figure 3–38 :
(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).
(4) User data word (UDW) up to 255 words.
(5) Checksum word.
Figure 3–39. Behavior of rx_anc_data/valid/error Signals—425MB
Notes to Figure 3–39 :
(1) 000 (C), 000 (Y)
(2) 3FF (C), 3FF (Y), 3FF (C), 3FF (Y)
(3) Sequence starts with Data Indentifier (DID), followed by Secondary Data Indentifier (SDID) or Data Block Number
(DBN).
(4) The Y channel of Link B goes wrong.
(5) Data Count (DC) word.
(6) User data word (UDW) up to 255.
(7) Checksum word.
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[19:10]
rx_clk (148.5 MHz)
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) (4) (2) (3) (6) (7) (5)
000 3FF 179 20F 055 1FC
000 000 3FF 179 20F 055 1FC