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Hope these thoughts help you along. This is in response to a PM that came to me recently and I thought it would be better handled in the forum. So the code I wrote has everything you need to record and playback sounds of varying length.

Some let you know that everything went well or is normal. I have been “out” for a datsheet and have not seen your request. Thanks for your help so far, I’ve tested the output from the pic with a scope and all looks perfect.

ISD,ChipCorder,Digital,MLS,audio recording,playback

Hope others will share their thoughts and that this has been a help to someone else. I try to set up the circuit for standalone mode as in page 76 but it seems can’t function at all. CCS does not monitor this forum on a regular basis. I datassheet my problem as to why I could not execute one ISD command after another.

Maybe the devid is for the ‘family’ of devices and not specific to the device you have? Is there a schematic available.

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(PDF) ISD1740 Datasheet download

Get what you mean. The second one is the actual 17 page document with photos and schematic for a programmer. As for the section 7 in datasheet analog path configuration, actually is it related to SPI? That’s exactly what I thought, but then Isd174 tested the output of SDO with my scope and there was nothing coming out.

You do not have to build a programmer.

ISD PY, voice record,playback ICs – elpro Elektronik

Mon Apr 25, 4: At first I thought we can just apply the circuit given in datasheet section 15 typical application circuit except the programming part. If you skip datashet you are on your own. Send them to support ccsinfo.

You referenced page I, too, have been experimenting with the ISD series. Hello, Am working on my senior project and am having a hard time figuring out how to control the ISD If you have not already checked the MART documentation, see their schematic on page 3.

Then they suggested that we redesign our product around one of their other chips. Tue Apr 26, 6: Below are links that I found helpful. I’ve never done this before, is there any special care or extra setup I should consider? Wed Jun 01, datasheeet Thank you so much. I put all my manual in a three ring binder with section tabs. Are you using a microphone or Anain?

When they are thereā€¦and when they are not there. SPI mode offers seamless transitions datqsheet sound messages using a buffer which is the feature I require in my application.


Still absolutely no response from the ISD unfortunately, but I’m confident the program is correct now.

Just to confirm it. They are a checklist. How to configure it? However, this section may be a simple test to answer your next question as to whether or not the ISD chip is good or defective. I wanted to get my bypass caps closer to the power pins than what I saw in the photo.

ISD1700 Series ChipCorder

I also tried contacting the engineers for Nuvoton but they don’t seem to exist in the US. Display posts from previous: Look at section 8.

You can go with the default settings unless there is something in your design that dictates otherwise.

I also wanted to pay close attention to the power routing on my PCB for the separate analog dataasheet digital power pins and their respective bypass caps. It is a challenging chip. But I also have some questions and problems to resolve in getting other commands to function properly and getting multiple commands to work together. Thank’s for your help. Good news is their ‘design notes’ PDF is very well documented so you might only have to make 2 pots of coffee to get it up and running.