ADV7181c做PAL视频采集项目调试遇到问题

ADV7181C输出的硬件连接使用的是哪8bit？在软件配置上选用的是哪8bit？输出模式设置是设置的8bit还是16bit?
用示波器测量CrCb的信号是否有数值？

谢回复
硬件连接如下图
软件配置如下
##SETTINGS##
:version 3.2 May 4th 2010:
End
 
 
##SD CVBS##
:AUTODETECT CVBS IN NTSC/PAL/SECAM, 8-Bit 422 encoder:
42 00 00 ; CVBS IN
42 03 0C ; 8 Bit Mode
42 04 77 ; Enable SFL
42 17 41 ; select SH1
42 1D 47 ; Enable 28MHz Crystal
42 31 02 ; Clears NEWAV_MODE, SAV/EAV  to suit ADV video encoders
42 3A 17 ; Set Latch Clock & power down ADC 1 & ADC2 & ADC3
42 3B 81 ; Enable internal Bias
42 3D A2 ; MWE Enable Manual Window, Colour Kill Threshold to 2
42 3E 6A ; BLM optimisation
42 3F A0 ; BGB
42 86 0B ; Enable stdi_line_count_mode
42 F3 01 ; Enable Anti Alias Filter on ADC0
42 F9 03 ; Set max v lock range
42 0E 80 ; ADI Recommended Setting
42 52 46 ; ADI Recommended Setting
42 54 00 ; ADI Recommended Setting
42 7F FF ; ADI Recommended Setting
42 81 30 ; ADI Recommended Setting
42 90 C9 ; ADI Recommended Setting
42 91 40 ; ADI Recommended Setting
42 92 3C ; ADI Recommended Setting
42 93 CA ; ADI Recommended Setting
42 94 D5 ; ADI Recommended Setting
42 B1 FF ; ADI Recommended Setting
42 B6 08 ; ADI Recommended Setting
42 C0 9A ; ADI Recommended Setting
42 CF 50 ; ADI Recommended Setting
42 D0 4E ; ADI Recommended Setting
42 D1 B9 ; ADI Recommended Setting
42 D6 DD ; ADI Recommended Setting
42 D7 E2 ; ADI Recommended Setting
42 E5 51 ; ADI Recommended Setting
42 F6 3B ; ADI Recommended Setting
42 0E 00 ; ADI Recommended Setting
56 17 02 ; Software Reset
56 00 FC ; Power up all DAcs and PLL
56 01 80 ; SD only mode, Data input on Y-bus
56 80 10 ; SSAF Luma filter enabled, NTSC mode
56 82 c9 ; Step control on, pixel data valid, pedestal on, PrPb SSAF on,CVBS/YC out.
56 84 06 ; RTCO/SFL Enable
56 88 00 ; 8 bit input enabled
56 87 20 ; Encoder PAL/NTSC auto-detect enabled
End

硬件和软件没有问题。请问您有用示波器测量过CbCr上的数值吗？是否有数值输出？

没有量过，如果要测量的话需要量哪些pin呢？换句话说哪些pin是对应cbcr的？

问题已经找到了，是软件配置有问题，现在已经正常工作了。