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ADV7177/ADV7178
–35–
REV. 0
APPENDIX 4
REGISTER VALUES
The ADV7177/ADV7178 registers can be set depending on the
user standard required.
The following examples give the various register formats for
several video standards.
In each case the output is set to composite o/p with all DACs
powered up and with the
BLANK
input control disabled. Addi-
tionally, the burst and color information are 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 tim-
ing modes. For a detailed explanation of each bit in the com-
mand registers, please turn to the Register Programming section
of the data sheet. 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.
NTSC (F
SC
= 3.5795454 MHz)
Address
00Hex
Mode Register 0
01Hex
Mode Register 1
02Hex
Subcarrier Frequency Register 0
03Hex
Subcarrier Frequency Register 1
04Hex
Subcarrier Frequency Register 2
05Hex
Subcarrier Frequency Register 3
06Hex
Subcarrier Phase Register
07Hex
Timing Register 0
08Hex
Closed Captioning Ext Register 0
09Hex
Closed Captioning Ext Register 1
0AHex
Closed Captioning Register 0
0BHex
Closed Captioning Register 1
0CHex
Timing Register 1
0DHex
Mode Register 2
0EHex
Pedestal Control Register 0
0FHex
Pedestal Control Register 1
10Hex
Pedestal Control Register 2
11Hex
Pedestal Control Register 3
12Hex
Mode Register 3
PAL B, D, G, H, I (F
SC
= 4.43361875 MHz)
Address
00Hex
Mode Register 0
01Hex
Mode Register 1
02Hex
Subcarrier Frequency Register 0
03Hex
Subcarrier Frequency Register 1
04Hex
Subcarrier Frequency Register 2
05Hex
Subcarrier Frequency Register 3
06Hex
Subcarrier Phase Register
07Hex
Timing Register 0
08Hex
Closed Captioning Ext Register 0
09Hex
Closed Captioning Ext Register 1
0AHex
Closed Captioning Register 0
0BHex
Closed Captioning Register 1
0CHex
Timing Register 1
0DHex
Mode Register 2
Data
04Hex
00Hex
16Hex
7CHex
F0Hex
21Hex
00Hex
08Hex
00Hex
00Hex
00Hex
00Hex
00Hex
80Hex
00Hex
00Hex
00Hex
00Hex
00Hex
Data
01Hex
00Hex
CBHex
8AHex
09Hex
2AHex
00Hex
08Hex
00Hex
00Hex
00Hex
00Hex
00Hex
80Hex
Address
0EHex
0FHex
10Hex
11Hex
12Hex
PAL M (F
SC
= 3.57561149 MHz)
Address
00Hex
Mode Register 0
01Hex
Mode Register 1
02Hex
Subcarrier Frequency Register 0
03Hex
Subcarrier Frequency Register 1
04Hex
Subcarrier Frequency Register 2
05Hex
Subcarrier Frequency Register 3
06Hex
Subcarrier Phase Register
07Hex
Timing Register 0
08Hex
Closed Captioning Ext Register 0
09Hex
Closed Captioning Ext Register 1
0AHex
Closed Captioning Register 0
0BHex
Closed Captioning Register 1
0CHex
Timing Register 1
0DHex
Mode Register 2
0EHex
Pedestal Control Register 0
0FHex
Pedestal Control Register 1
10Hex
Pedestal Control Register 2
11Hex
Pedestal Control Register 3
12Hex
Mode Register 3
Data
00Hex
00Hex
00Hex
00Hex
00Hex
Pedestal Control Register 0
Pedestal Control Register 1
Pedestal Control Register 2
Pedestal Control Register 3
Mode Register 3
Data
06Hex
00Hex
A3Hex
EFHex
E6Hex
21Hex
00Hex
08Hex
00Hex
00Hex
00Hex
00Hex
00Hex
80Hex
00Hex
00Hex
00Hex
00Hex
00Hex