Forum Post: RE: ADS8556 connected to OMAP-L138
Hi Tom,The SPI ports on the OMAP-L13x parts don't seem to have an RX fifo. If using them to interface to the ADS8556 (and DMAing RX data directly to memory) I am concerned about missing samples if...
View ArticleForum Post: ADS130E08 Daisy-chain
Hi,I'd like to get more information about Daisy-chain mode on ADS130E08.I checked the datasheet and it says (on page 27) that it is "Daisy-chain mode is enabled by setting the DAISY_IN bit in the...
View ArticleForum Post: RE: PCM42x2 Interfacing
Hi Don,Thanks for your response.How about I take the part about SD/MMC card interface out of my previous inquiry, and focus more on some questions regarding the actual ADC IC (PCM42x2).I was under the...
View ArticleForum Post: Password required for...
Hi,Please send me password for source code ftp://ftp.ti.com/pub/data_acquisition/ADCPro2/Source/ads1258evm%20source.zipIt is very urgent for me.My Email: ANDY.CT.CHEN@delta.com.twThanks
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Forum Post: Problems with SPI protocol between my MCU and LDC1000.
Hello there!I have an evaluation kit LDC1000EVM, with the portion of the EVM (just LDC chip and PCB coil) I have been trying to connect it directly via SPI protocol with a different MCU and I have not...
View ArticleForum Post: Simulating the AIC3254 with Piezo Unimorph Disc (Contact Microphone)
Hi,We would like to model the impact of the AIC3254's input impedance on the signal generated by a high impedance source (piezo unimorph disc). We are only really interested in the frequency response...
View ArticleForum Post: RE: Interfacing ADS54RF63 EVM and DAC34SH84 EVM with Xilinx...
Hi Richard, Thanks a lot for the quick reply. I had gone through the application note you had sent. I shall look into it once again, and try to note the principles illustrated therein. In the...
View ArticleForum Post: RE: ADS8330 : channel switching problem
hello ti,i have one last problem in the ads8330 after the reset using the data 0xffffe then configuring it for the manual channel select internal clock and manual trigger mode i have to reset the chip...
View ArticleForum Post: RE: ADS1299EEG-FE Zip archive password
You should receive an email with more information
View ArticleForum Post: RE: ADS131E08 OpAmp
Hello Greg,the ADC will measure the output of linear hall sensors (connected to INP) and substract their common mode voltage (resistor divider 5V / 2 = 2.5V, connected to INN). The output of the hall...
View ArticleForum Post: RE: ADS41b29 CMOS Mode
Hi Matt,Thank you for your answer but I have already configured the registers as you described. My SPI communication is also OK, I can see the test signals and custom patterns. I supply the clock as...
View ArticleForum Post: RE: ADS8556 connected to OMAP-L138
Hi Alfred,You should be able to use the McBSP. Take the FSx and use it for the /CS input. Unfortunately I don't have any 'ready to go' code examples for the OMAP, but you can get a general picture of...
View ArticleForum Post: RE: ADS8528: Triggering Conversion Externally
Hi Anish,The ADS8528 has four 'convert start' inputs, you can tie them all together and send your external trigger to those inputs to start the simultaneous conversion of all your input signals, there...
View ArticleForum Post: RE: ads 1258 auto scan missing a few channels occassionary
Hi Chris,Thank you for your prompt response.SCLK is 2MHz. I did not record SCLK and CS. Overall reading is ok. Originally, I set START as high always. Now, I pulses START, as Bob suggested. But I guess...
View ArticleForum Post: RE: LMP91300 samples
Hi Imre,We have LMP91300 samples available from Digikey for both packages.What type of volumes are you trying to hit for commercial shipment, we currently have inventory but will also depend on the...
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Forum Post: RE: Problems with SPI protocol between my MCU and LDC1000.
Hi Sergio,Thanks for the trace. It seems that you are not reading any data since the clock does not continue beyond 8 bits (CSB goes high ending the transaction; you are simply writing the register...
View ArticleForum Post: Measure thickness
I needto measurethe variationof the thickness ofa steel plate10mm thickand longindefinite(a pipe), puttingfixedat a distance of0.5cmor1cmofthe surfacecoil.Immersed ina liquidsuch as water,the coilwould...
View ArticleForum Post: RE: TLV320DAC3100 Power sequence
There's no difference in power supply requirements between the two.From a functionality point of view, the most important detail is that the reset signal must be applied after IOVDD and DVDD are up...
View ArticleForum Post: RE: Minimum SPI Clock Rate for DACxx4S085 series?
Hi,The fSCLK spec is a maximum meaning that the fastest the clock can be is 30MHz. This is what is guaranteed, although parts will typically run up to 40MHz. It will also work with a slower...
View ArticleForum Post: RE: DAC 7568
...also, here is a blog that may help youhttp://e2e.ti.com/blogs_/b/analogwire/archive/2013/08/26/dac-essentials-understanding-your-dac-39-s-speed-limit.aspx
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