Re: Looking for a lost bit in SIC_ISR
Hi Nick, I understand your problem description, but not clear of certain points: I assume, you are pointing to SIC_ISR bit of MDMA interrupt in problemactic case. I mean, sometimes processor enters in...
View ArticleRe: L2 sram latency BF547
HI Alon, If you are using BF548 processor, you can refer Chip Bus Hierarchy chapter in the processor's HRM. The On-Chip L2 Interface section provide details about access time & latencies involved...
View ArticleRe: create continual SPI clock output?
Hi Dmitry,Thanks for the smart solution and contributing to Blackfin Engineer Zone commmunity. Hi Daniel,You can use approach suggested by Dmitry for generating SPI_CLKs without using any system...
View ArticleRe: Finboard - camera sensor and lwIP
Hi Vladimir, Which instance of EPPI are you using (EPPI0, EPPI1 or EPPI2)? Can you post the register dump of all PORT, PPI & it's DMA registers?BTW, Ethernet has it's own DMA controller. So, there...
View ArticleRe: AD5930 and AD5932 evaluation board software commands
DEAR SIR, Thank you for sharing code. I m using the same for myapplication. MY application requires a fixed frequency source of 1 Mhz and I m trying to fix the Frequency of EVAl AD5932 Board to 1...
View ArticleRe: Blackfin SPI DMA-driven with SC16IS750
Hi, Unfortunately I haven't tried any driver-based SPI codes, but I could find couple of codes for BF527 in our repository. Please check if these will be helpful for you in any way [as they might have...
View Articlewhat is the fastest linear sweep rate that the ad9914 is capable of outputting ?
I am looking to sweep over a 500MHz bandwidth in around 1.5 ms . is the ad9914 capable of this speed? Thanks,Ryan
View ArticleRe: Audio sample playback in sigmaDSPs?
Hello again Brett!Thanks again for your reply lately, so may I ask you some questions? You will be surprised, but I found a way to convert a sound into a txt list of data points! It is very easy, so I...
View ArticleRe: ADXL362 powering with GPIO line.
Allow me to pick up this thread and ask a few further questions on the same subject: The requirement to always start the supply voltage from 0V is unusual. Is it not some positive (but small) threshold...
View ArticleRe: Audio sample playback in sigmaDSPs?
OK, I found the answer, so here I will post a complete guide how to make a sound file into a set of numbers, suitable for loading into a look-up table. Hope it will be useful for somebody. 1. Create or...
View ArticleRe: Settling Time of AD7767?
Hi, Let me check on this. I'll get back to you soon. Regards,Karen
View ArticleRe: Product Information for Operational Amplifier
Hi Prasath, If you could give a list of those part numbers, I'd be glad to help procure any information that I can. Thanks, Kris
View ArticleRe: Under what conditions is it OK to use the on-board PLL multiplier?
Hi mantow, I think there is no general rule saying that an external PLL is always better than the internal. But since an external PLL can have the advantage of being isolated from the IC package and...
View ArticleRe: Capacitors for Vss,Vss and DVcc pins of AD5360
Hi, KenK Thank you for your reply.Its very helpful for me. Nom
View ArticleRe: ADXL362 powering with GPIO line.
Hi larsen, At this time the requirement is 0V. We have not yet identified a non-zero threshold value that will work in all cases. So far we have observed a part-to-part variation in the threshold, so...
View ArticleRe: Using EVAL-ADXRS624Z
Hi brsimon, Please take a look at the ADXRS624 Functional Block Diagram on page 1 of the product datasheet. This figure shows the connections required in a typical application. Without seeing your...
View ArticleAD8123 input pin
Hello all,In the case of input analog video signal to AD8123,1. which pins of INR, ING and INB should be used ?2. how should we connect not-used pin ? VOFFSET pin3. Can we apply negative voltage to...
View ArticleRe: DDS AD9910_PCBZ Single Tone Configuration and Hardware setup Required
Yes, the steps mentioned was during the POWER-ON state of the DUT. In order to read back, you can do that even while in external control setup. Bit 7 of the instruction byte just needs to be 1, that is...
View ArticleRe: AD9914 , BPSK realization
Hi johnconnor, I think it would be easier to use the profile modes since you are just using BPSK. This also hits your requirement where you needed 32 bit resolution for your FTW. The benefit of using...
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