ADV7174/ADV7179
Rev. B | Page 50 of 52
APPENDIX 8—RECOMMENDED REGISTER VALUES
The ADV7174/ADV7179 registers can be set depending on the
user standard required. The power-on reset values can be found
The following examples give the various register formats for
several video standards. In each case, the output is set to compos-
ite output with all DACs powered up and with the input control
disabled. Additionally, the burst and BLANK color information
is enabled on the output, and the internal color bar generator is
switched off. In the examples shown, the timing mode is set to
Mode 0 in slave format. TR02–TR00 of the Timing Register 0
control the timing modes. For a detailed explanation of each bit
in the command registers, refer to the
section. TR07 should be toggled after setting up a new timing
mode. Timing Register 1 provides additional control over the
position and duration of the timing signals. In the examples,
this register is programmed in default mode.
Table 24. PAL B/D/G/H/I (FSC = 4.43361875 MHz)
Address
Description
Data
00H
Mode Register 0
05H
01H
Mode Register 1
10H
02H
Mode Register 2
00H
03H
Mode Register 3
00H
04H
Mode Register 4
00H
07H
Timing Register 0
00H
08H
Timing Register 1
00H
09H
Subcarrier Frequency Register 0
CBH
0AH
Subcarrier Frequency Register 1
8AH
0BH
Subcarrier Frequency Register 2
09H
0CH
Subcarrier Frequency Register 3
2AH
0DH
Subcarrier Phase Register
00H
0EH
Closed Captioning Ext Register 0
00H
0FH
Closed Captioning Ext Register 1
00H
10H
Closed Captioning Register 0
00H
11H
Closed Captioning Register 1
00H
12H
Pedestal Control Register 0
00H
13H
Pedestal Control Register 1
00H
14H
Pedestal Control Register 2
00H
15H
Pedestal Control Register 3
00H
16H
CGMS_WSS Register 0
00H
17H
CGMS_WSS Register 1
00H
18H
CGMS_WSS Register 2
00H
19H
Telext Request Control Register
00H
0FH
Closed Captioning Ext Register 1
00H
10H
Closed Captioning Register 0
00H
11H
Closed Captioning Register 1
00H
12H
Pedestal Control Register 0
00H
13H
Pedestal Control Register 1
00H
14H
Pedestal Control Register 2
00H
15H
Pedestal Control Register 3
00H
16H
CGMS_WSS Register 0
00H
17H
CGMS_WSS Register 1
00H
18H
CGMS_WSS Register 2
00H
19H
Teletext Request Control Register
00H
Table 25. PAL N (FSC = 4.43361875 MHz)
Address
Description
Data
00H
Mode Register 0
05H
01H
Mode Register 1
10H
02H
Mode Register 2
00H
03H
Mode Register 3
00H
04H
Mode Register 4
00H
07H
Timing Register 0
00H
08H
Timing Register 1
00H
09H
Subcarrier Frequency Register 0
CBH
0AH
Subcarrier Frequency Register 1
8AH
0BH
Subcarrier Frequency Register 2
09H
0CH
Subcarrier Frequency Register 3
2AH
0DH
Subcarrier Phase Register
00H
0EH
Closed Captioning Ext Register 0
00H
0FH
Closed Captioning Ext Register 1
00H
10H
Closed Captioning Register 0
00H
11H
Closed Captioning Register 1
00H
12H
Pedestal Control Register 0
00H
13H
Pedestal Control Register 1
00H
14H
Pedestal Control Register 2
00H
15H
Pedestal Control Register 3
00H
16H
CGMS_WSS Register 0
00H
17H
CGMS_WSS Register 1
00H
18H
CGMS_WSS Register 2
00H
19H
Teletext Request Control Register
00H