ADV212 RCTYPE(TargetSize) Quality Estimate
I am using an ADV212 paired with an ADV7180. I am setup for NTSC 422. I have RCTYPE set to "Target size per video field or image" Is there a simple formula to compute an image quality estimate (maybe a...
View ArticleSHARC C/C++ Code Optimization
I'm starting to learn about how to best optimize C/C++ code to run on the SHARC architecture (21369 and 21469 processors), and I was hoping some of might have some suggestions as to how to go about...
View ArticleADG1406 in LFCSP_VQ package. It is analog mux. All channels except last on...
I am using ADG1406 in LFCSP_VQ package. It is analog mux. The first 15 channels are working fine but the last one with output on pin 1 in this package does not work. Signal does not propagate through....
View ArticleRe: GPIO on ADuC7060
Attached is a drawing. I have 4 of these circuits connection to P1.2, P1.3,P0.5, and P0.6.
View ArticleRe: ADV212 compressed image seems shrouded in a frog
HI: Thank you for your prompt reply,the compressed images are grayscale,so there's no chrome component at all,the output data i think is just the luma component, images are viewed using Kakadu,and...
View ArticleCan ADV7401 output 720p@30fps analog component with 8bit-4：2：2(DDR mode)?
Hello, I have questions about ADV7401. Question 1:Can ADV7401 output 720p@30fps analog component with 8bit-4：2：2(DDR mode)? Question 2:Please see attached file "pic19954.gif".This picture is from...
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parallel byte interface mode of AD7606
Dear Sir/Madam, We are going to use the parallel byte interface mode,and have two questions about DB[13:9]. Q1.There is the following description. P.15 of datasheet, "When PAR/SER/BYTE SEL = 1,...
View ArticleRe: ADV7612 with SONY DVD player BDP-S490 sync lose issue
Dear Sir, U-Boot 2010.06 (ADI-2010R1-RC2) (Jan 12 2011 - 15:53:34) CPU: ADSP bf524-0.2 (Detected Rev: 0.2) (spi flash boot) Thank you !! Best regardsSam
View ArticleAD9783 Settling time?
What is the AD9783 settling time and are the specification / measurement conditions? ThanksDave
View ArticleRe: AD9910 antibacklash pulse width control
Hi, Yes you are right, the PFD ANtibacklash PW control in the software corresponds to bits 11 and 12 of Address 0x02. Please do not stress yourself too much on this. You should not concern yourself...
View Articleworking with AD-FMCOMMS1 at low sampling rate
Hi I'm using AD-FMCOMMS1 on ML605 (Microblaze) with reference design no-OS (edk 14.4). When I set the DAC sampling rate to 122.88MHz and higher there is no problem with it. However, if I lower the DAC...
View ArticleRe: How many independent SPDIF outputs/inputs in biphase encoding do AVD7612...
Hello, Yes, It means ADV7611 will only be able to output stereo audio or SPDIF because it doesn't have the pins so not all possible audio formats on HDMI can be done. The EDID would need to reflect...
View ArticleRe: ADV7511 Linux DRM driver
Hello, The defaults simply reflect the power-on defaults of the part's registers. This allows the driver to restore the part to a known state without a hardware reset. The "Fixed" values are typically...
View ArticleRe: ADV7850 : Autographics DE register settings
Hello, You should get them from the CEA 861 standard. If the format isn't in there, you'd need to figure it out yourself as there is probably not a DE defined. DE is simply active during active pixels...
View ArticleRe: ADV212 RCTYPE(TargetSize) Quality Estimate
Hello, Nope-- quality will vary based on the complexity of the image. There isn't any defined metric of quality really. JPEG2000 uses a "lambda" value to represent quality in the standard rate...
View ArticleRe: ADV212 compressed image seems shrouded in a frog
Hello, Can you post the J2C/JP2 binary so I can take a look here with Kakadu? It looks like Kakadu is decoding it like a chroma component for some reason. Dave
View ArticleRe: The HDCP problem about ADV7619
What script are you using to program the ADV7619? What video format are you using? Dave
View ArticleRefrence Design for AD-FMCOMMS2-EBZ
Hi I'm trying to bring up LINUX-based system based on ZC702 board and AD-FMCOMMS2-EBZ. What reference design should I use?the following statement indicates that such a reference design is only...
View Articleadt7470 - how to re-enable a stalled fan?
We use two 7470s to control six fans. Recently we had a fan stall because a third party engineer servicing other equipment stuck a screwdriver through the fan cover. The fan blades were damaged and the...
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