Re: gpio set pj0 not working on U-Boot 2012.07-rc2 on BF524
Hi Matt, from code arch/blackfin/cpu/cmd_gpio.c I see port j is included, I don't have an ADI official BF524 board, I did a test on BF537 to on/off the LED1 by setting/clearing PF6, it works great. Are...
View ArticleRe: Query for EVAL-AD2S1210 for SPI access
Thank you Chris for the detailed post. I'm planning to generate SCLK and /WR//FSYNC using a micro controller preferrably a dsPIC or a function generator. But may I know what do you suggest to use to...
View ArticleRe: Wrong mode register value from AD7730
Hi, Chris, I attached AVDD and REFIN+ to DVDD (5V). Also, AGND and REFIN- to DGND. I'm using PIC but I'm directly controlling SPI signals with GPIO. As you can see the oscilloscope signals, I don't...
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Re: AD831 Bias Current
Hi jdobler, we are finally replacing the part, we'll see... They have asked me though to check if the design was right, before mounting the new part. Let me ask you a few questions: 1. The LO input was...
View ArticleRe: ADSP-BF526 EZ-Board - 12-bit Data Input
Hi Craig, Just checking in to see if you've managed to find out anything about the pros/cons of using the J1 connector vs. the P3 connector above? Cheers mate, Dave
View ArticleADuM4223 Half Bridge Negative Bias
Hi RSchnell. Thanks for your quick and detailed response. -Tamil
View ArticleRe: ADV7513 Differential output appears single ended
So we have new information on the problem. 1) The cable we are using appears to have a low ohm to ground short (40 ohms) on the non-inverted HDMI signals. We went out and purchased two additional...
View Articlea finished prototype
Hello guyz! It is not a question, I just wanted to "boast" a little bit about the prototype of the ultrasonic device for the blind. It uses two boards, the top one is an adau1701 based computer (can I...
View ArticleAD9257 power consumption question
Hi all, I'm looking at using the AD9257-40 in a new design, but this is a battery-powered application, and power consumption is very important. I have 12-channels that I need to sample, and so I'm...
View ArticleEVAL - ADAU1452MINIZ
I watch the video to configure filters. I used CH0 for stereo input. GPIO as output. I downloaded the program. When I move the slider bars for amount of increase or decrease amplitude. The program...
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Re: EVAL - ADAU1452MINIZ
Hi Philip, GPIO outputs refer to digital output pins used to control external LEDs and such. The audio DAC outputs are called simply outputs, as shown below: The most frequent cause for...
View ArticleRe: ADV611 problem
Hi Dave, As you say this kind of situation, will suggest we ADV611 change into ADV212 or other chips, so other chips will provide evaluation board and the information?We mainly is the use of FPGA to...
View ArticleRe: Fiber Optic Gyroscopes
ADIS16137 this seems to be a MEMs based gyro. I am looking for interferometer FOG.I actually thought of mailing you but i couldn't find ur mail ID so continued the conversation.U can mail me on...
View ArticleRe: Fiber Optic Gyroscopes
As per our calculations Input power to my FOG electronics is 40uW to 65uW (5mW is the laser diode power, 200m PM fiber spool, 1Mhz PZT freq)" A novel technique for spectral processing of a fiber optic...
View ArticleRe: JFFS2 problem
I have just changed the data cache policy from write-back to write-through. It seems this solves the problem. I need more time to test it and I have to check the performance too. But I am afraid this...
View ArticleRe: Fiber Optic Gyroscopes
Is this the paper that you are referring to? http://pubcouncil.kuniv.edu.kw/jer/files/07Nov201202070049-68_04_A%20novel.pdf
View ArticleRe: TDO constant high?
I don't know the reason but I had like problem. I tried dowload over and over again. And I did reset at different times. And wow !!! all great))
View ArticleRe: EVAL - ADAU1452MINIZ
I did everything in your email. But it appears that I am still not correct. I connected a stereo output from my PC "Headphone Jack". This went to CH0 - CH1. I used USBi to 1452. I connected a set of...
View ArticleRe: Reading the data from ADXL362 with MSP430G2230
One more quick example for you. Again, not specifically for the MSP430, but offer another example of a C-code that manages the interface with the ADXL362, this time for a FPGA....
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