No-OS driver for updated axi_ad9361 core
I have managed to build the latest fpgahdl_xilinx PL from the Dec.13, 2013 drop for the FMCOMMS2 AD9361 system. I'm eager to try out the new code on my platform but discovered that the No-OS drivers do...
View ArticleRe: GPIO interrupt latency seems long
thanks for the response. here's the other thread - http://ez.analog.com/message/13724#13724. You are correct GPIO4_TOGGLE is a macro that toggles a GPIO pin. I am measuring these times on a scope. I...
View ArticleRe: Standalone Flash Programmer
At present, I'm only attempting to program an in-house product using a flash programming driver I use regularly with VisualDSP++ 4.5 IDE. I built this driver using v4.5. So, I know this driver works...
View ArticleRe: AD8176 design guide / ref design / register configurated issue
Hi Nical, Your eval board request has come through our internal channels, and we'll work on getting something to you following the break. The state of the shift register cannot be read externally, so...
View ArticleLwIP fileserver project error
Hi, I'm working with EzKit Lite for BF609 processor (rev 0.0 and 0.1 ) After running the example fileserver, the console shows: Configuring switches for the ethernet operation lwip_system_init: failed...
View ArticleRe: ADV7842: Black and White image or S-Video does not have color burst lock
So there is a colorburst pulse on the C channel when you are outputting a B/W image but the ADV7842 does not detect it? I'm assuming that your S-video will carry color video as well as black/white...
View ArticleRe: ADV7842: Black and White image or S-Video does not have color burst lock
Yes you are absolutly right. The B/W image does have a color burst but the ADV7842 does not detect it when I first plug it in.
View ArticleAD9914: profile mode vs single-tone vs parallel port modulation
I am confused about the three modes. In profile mode (CFR2:23 = 1) it is clear that the FTW, POW and ASF come from the selected profile register.If CFR2:23=0, where do the 3 values come from?If...
View ArticleRe: ADV7842 HDMI Incorrect Video Measurment
Greeting GuenterL, Your advise about the DE locked flag was correct. It was not set for those resolutions and explains why the line width and field height were not valid. I tested the BL, LCF, LCVS...
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Re: AD9643 - how do control the sampling rate?
Dear Harris: I have question when I used the AD9643 + ADC-HSC-EVALCZ ,1. Setup:HWUse AD9643 EVB + HSC-ADC-EVALCZ (FPGA)Use J506 default input path:Put C532, C533 0.1uF Cap.Remove the R541 &...
View ArticleADuM3221 Gate Pulldown Resistors
Hello,I am designing a circuit that uses the ADuM3221 to drive some MOSFET gates.Ordinarily I would include a 1M pulldown resistor on the gate pin so that the FET will be off until all the logic powers...
View ArticleADUM3190
During startup, output of primary amplifier (eg EAout2) is at high level when VDD2 is lower than 3V. How to avoid this behaviour when ADUM3190 is included in a regulation loop.Sartup is impossible due...
View ArticleRe: Running EDID Editor in AVES
Hi. I have one more question on EEdit program. I noticed that the format this program takes is ".dat". By the way, the format of EDID I have used is either .bin or .hex. And, EEdit does not seem to be...
View ArticleRe: Running EDID Editor in AVES
The current version can not create .bin or .hex files. Those features are in the queue for future releases.
View ArticleRe: Power sequence of ADV7619
a) The wait time is not defined 0 - 100ms should be totally safe. The key is 1.8V rail must be less then 3.3V at all times. b) There are several solutions 1) generate 1.8V form the 3.3V supply...
View ArticleMultifunction Composite Gadget driver problem
Hi, I want to activate the Multifunction Composite usb gadget driver for the Blackfin BF548 and the 2.6.3 µClinux distribution, and I need to have RNDIS and COM port running together.But I have a...
View ArticleRe: AD620 oscillation with long cable drive
Hi Ricky, Thank you for tracking this down. It is a great reminder of one way to use the REF input. Best Regards,Steve
View ArticleRe: What is the LO Leakage at the TX ? Image rejection?
LO leakage and image rejection are approximately -50dBc at 0dB attenuation.Datasheet includes performance specifications on carrier leakage and SSB rejection in the specification table and performance...
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