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Problem for ADV7343
Hi, we got two problems when using ADV7343 for video encoder (the output is video in form of PAL). Attached please find our design; we have ten of the same custom hardware using the same design, among...
View ArticleRe: ADV7630: How to TMDS PLL reset
Hi all I attached register dump data of OK and NG.[attached:150121_RegisterDiffData.xlsx]
View ArticleRe: ADV7611 CEC
Hello, I'm sorry, but we can only answer questions in English on this forum. Dave
View ArticleRe: ADV7623 OSD Colours
Hi Mike, As Jeyasudha has requested, could you please provide us with information about your setup? Could you please read the below register values and see if the colorspace matches between input and...
View ArticleRe: Adv7842 Embedded syn problem
BT.656-4 is an industry standard freely available on the web, just do a google search for it.
View ArticleLET threshold for AD8561S?
Is there any information out there for the LET threshold for the AD8561S? Thanks in advance...
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ADSP-BF531, program for SPI FLASH booting
Hello, dear colleagues!Some times ago we use ADSP-BF531SBSTZ400 with SPI FLASH AT45DB081D-SU (by ATMEL).(Processor SPI Master Mode Boot via SPI Memory(BMODE = 11)) But now AT45DB081D-SU is obsolete.The...
View Article(ADV7282-M)Can I use Diag-pin when I'm using CVBS(single)?
Hello! I have a few questions about ADV7282-M. 1)Can I use Diag-pin when I'm using single-ended CVBS ?If I can use Diag-pin , could you tell me how to use it? 2)If I can't use Diag-pin , should I leave...
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Re: AD8062 Sync Stripper
Dear Sir, By doing shorting out R58, R60 and R70/ Remove R52, R88 did not improve on signal quality. I have tried improving the Voltage Gain of the Op-amp and from that I could able to reconstruct the...
View ArticleRe: adv7842 pixelclock (LLC) noise/glitch
Hi Guenter, I would like to add some more explanations to this issue: 2) No, it is not reflection. The 'glitch' can be moved by altering the phase delay of the ADV7842 outputs. Hence it is not clock...
View ArticleRe: Gound of ACDMP6XX
Hi Junwei, Ground pin of ADCMP6xx should be connected to analog ground. And for the ADCMP601, the power pin should be connected to a dc supply voltage level as specified in its datasheet. Regards,Jay
View Article[AD5592R]Input Impedance value
Hello,I would like to know AD5592R's input impedance value when I/O is configuration as an A\D input pin.There seems no information on Datasheet. Thank you for your help in advance.Best regards,Sofy
View ArticleRe: slow reads from 21489 SDRAM?
Hi Dave, If you are sequentially reading the data ( DMA reads or any back to back reads) you might benefit by enabling SDRAM Read Optimization. To achieve better performance, read addresses can be...
View ArticleRe: slow reads from 21489 SDRAM?
Jithul's suggestion is helpful, but only if you can set up to do sequential reads. Dave's early comments suggests random access. If this is the case, you either need to live with slow reads or figure a...
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Re: question of device driver used on BF526
HI On my board,The chip I used is ADSP-BF526BBCZ-4AX,but in datasheet I can not see the type.Have questions on the chip or not?but I have used it ok until I use usb. regardsyejin xu
View ArticleAD9393 DVI use
Hi, We would like to use AD9393 in DVI (RGB 444 IN, RGB 444 OUT, no audio). 1)We think that the PLL loop filter in Figure 6 of the datasheet page 10 is not necessary because the audio function is...
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Re: Change PWM Phase between AH and AL or AH and BH in BF506F
Hello, Apologize for delay in reply on this one. The PWM generator on ADSP-BF506 is capable of operating in two distinct modes, Single - Update Mode and Double - Update Mode. In single-update mode,...
View ArticleRe: AD9364 Init Config Issue
Hi Dragos,Thanks for the reply.I am generating signal tone from an FPGA using the DDS IP core. But the configuration of the AD9364 will be performed by BF538F. I have imported the AD9361 No OS drivers...
View ArticleRe: AD9364 Init Config Issue
Does RX will not work without successful configuration of ad9361_dig_tune()? Any other configuration is required apart from default_init_config?. I verified that it is RX mode i.e 0x14 = 0x43 Also in...
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