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TVP7002: HSOUT\VSOUT信号同步时间只有一个时钟,是什么原因了?

Part Number: TVP7002

您好,

       我用TVP7002解码VGA视频,图像格式为1024*768@60Hz,输出格式为RGB444。外部时钟为27MHz,配置寄存器后data_clk输出为65MHz。

目前存在两个问题,第一个问题:同步信号HS 和VS的同步只有一个时钟。寄存器07h配置的是136。第二个问题:VGA输出的视频为纯白色,但是TVP7002输出的数据很小,只有0~15大小。

寄存器配置表:

0 : LUT_DATA <= 24'hB80400;
1 : LUT_DATA <= 24'hB80506;
2 : LUT_DATA <= 24'hB80610;
3 : LUT_DATA <= 24'hB80F2E;
4 : LUT_DATA <= 24'hB81058;
5 : LUT_DATA <= 24'hB81140;
6 : LUT_DATA <= 24'hB81201;
7 : LUT_DATA <= 24'hB81300;
8 : LUT_DATA <= 24'hB819AA;
9 : LUT_DATA <= 24'hB81ACA;
10 : LUT_DATA <= 24'hB82680;
11 : LUT_DATA <= 24'hB82853;
12 : LUT_DATA <= 24'hB82A87;
13 : LUT_DATA <= 24'hB82B00;
14 : LUT_DATA <= 24'hB83118;
15 : LUT_DATA <= 24'hB83500;
16 : LUT_DATA <= 24'hB83600;
17 : LUT_DATA <= 24'hB83D06;
18 : LUT_DATA <= 24'hB83F00;

19 : LUT_DATA <= 24'hB80830;
20 : LUT_DATA <= 24'hB80930;
21 : LUT_DATA <= 24'hB80A30;
22 : LUT_DATA <= 24'hB80B80;
23 : LUT_DATA <= 24'hB80C80;
24 : LUT_DATA <= 24'hB80D80;
25 : LUT_DATA <= 24'hB81504;
26 : LUT_DATA <= 24'hB81611;
27 : LUT_DATA <= 24'hB81702;
28 : LUT_DATA <= 24'hB81801;
29 : LUT_DATA <= 24'hB8210D;
30 : LUT_DATA <= 24'hB82200;

31 : LUT_DATA <= 24'hB80154;
32 : LUT_DATA <= 24'hB80200;
33 : LUT_DATA <= 24'hB80358;
34 : LUT_DATA <= 24'hB80788;
35 : LUT_DATA <= 24'hB80E00;
36 : LUT_DATA <= 24'hB82C50;
37 : LUT_DATA <= 24'hB84032;
38 : LUT_DATA <= 24'hB84101;
39 : LUT_DATA <= 24'hB84232;
40 : LUT_DATA <= 24'hB84305;
41 : LUT_DATA <= 24'hB84403;
42 : LUT_DATA <= 24'hB84503;
43 : LUT_DATA <= 24'hB84626;
44 : LUT_DATA <= 24'hB84726;