Re: IRQ0 Interrupt issue - ADSP21489
Hi Itamar, Are you setting a breakpoint within your MyFunc interrupt handler? Are there any other breakpoints set? Can you describe the steps you follow to reproduce this behaviour - for example, do...
View ArticleAD9789,QAM Encoder and sample rate
When i use QAM encoder, the sample rate(code rate) can't set higher than 8MHz, it will lead to bad output, but the datasheet said the sample rate can be fDAC/48, so I don't know if I mad a mistake or...
View ArticleRe: ADE7953 UART problem
Hi semansky@zapsi.eu Can you check if the ADE7953's reference pin voltage( pin 13) is close to 1.2V? Also check if VINTD and VINTA pins are at 2.5V,as expected. By default, ZX pin (pin 1) will act as a...
View ArticleRe: How to compute the Energy values ? (ADE7880)
Hi Pierre 120 degree is the phase difference between two phases and not between V and I of a particular phase, right? PF register reading is computed by dividing "abs (active power)" by "apparent...
View ArticleRe: EVAL-ADE7753 Software error
Hi amrnasser Thanks for the detailed explanation! I believe you are concerned about calibrating just the energy registers (and not the CF). And as you are using a known source to calibrate, follow the...
View ArticleRe: Color space of HDMI vedio of ADV7623
Dear GuenterL, Thanks for your answers. You let me know Color space of ADV7623 more clearly. The urgent question is I can not read what kind of the source type is . The HDMI_COLORSPACE[3:0]...
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Re: AD9361 Tx Power
Sure, we read back the value which was written into 0x073 and 0x074. We only used TX1A, and TX2A was connected to 1V3 told by datasheet, then we tried controlling 0x075 and 0x076, it was no use.The...
View ArticleRe: My AD9834 doesn't work. Please check my schematic and SPI signals
I solved the problem. The problem was timing between FSYNC and SCLK. http://ez.analog.com/message/87223#87223 I referred to the Q&A. Thanks guys!
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Re: ADE7953 UART problem
Heloo so, I send UART wavwform see pic 1 and my values are (I chect this all before I write here of course): Uref = 1.1967VVinA,D = 2.498V ZX work OK, when I apply 80mV AC to Vinput - see pic 2 nice...
View ArticleRe: Output Short Circuit Protection of AD5410
Hi Tracey.Thanks for the reply. I have understood now. There is another question... I'm planning to use Thermally conductive Gap Filler Pad, between the AD5410 top surface & to the aluminium...
View ArticleRe: Frequency Modulation with AD9910
Hi everyone, Now a more conceptual point. I have implemented frequency modulation using the continuous bidirectional ramp. Checking the result with a spectrum analyzer, I see that the bandwidth is a...
View ArticleZedBoard/FMCOMMS2 ADC buffer read problems
Hi, I'm trying to perform some large-ish reads from the ADC buffer using the AXI DMA in the supplied demo design. I'm using the IIO_SAMPLE command from Matlab on a Windows PC to attempt to read 2000...
View ArticleRe: Possible reason for H.264 Encoding error
Hi Ashwin, I am using a customised board from other vendor.I am following the example from H264_MP_Encoder_Developer_Guide_Rel3.0.0 and it appeared to fail more frequently at zero degree.CORECLK...
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MDAC output V-I + current buffering?
Although it might seem the question is centered around an MDAC, there's more analog content than digital I think. I'm feeding a 10Vp-p signal into an MDAC, the output is converted to voltage using the...
View ArticleRe: ADV7281 I2C config
Hello, I've asked an expert on this part to come comment. Most likely you have a very basic hardware problem. Dave
View ArticleRe: High Side Current Sensing or Differantial Amplifier Vs Difference Amplifier
See: http://www.analog.com/library/analogdialogue/archives/42-01/high_side_current_sensing.html Harry
View ArticleRe: EVAL-ADIS C/C++ Driver or Source Code Libraries
I just wanted to check back in on this. Look forward to hearing how this works for you. Best,NevadaMark
View ArticleRe: choosing ADXL346 interrupt ??
Hiaccording to the datasheet SINGLE_TAP bit is set when a single acceleration event that is greater than the value in the THRESH_TAP register (Address 0x1D) occurs for less time than is specified in...
View ArticleRe: IRQ0 Interrupt issue - ADSP21489
Hithe issue solved - i miss the nop needed because of the cache freeze.Page 4-88 sharc processor programming reference Itamar
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