Hi. Did ESS publish any databooks/CDROMs during the mid-to-late 1990's?? They made a whole series of chips dubbed 'AudioDrive', with increasingly advanced features, but the ES1488 was one of the first - sometimes found in old 486 -class notebooks (eg. DEC Hinote Ultra, Daewoo DN7400). It's in a 52-pin QFP surface-mount package, IIRC.
I'm looking for at least an annotated pinout, if not a complete datasheet... anyone!?
TIA - Mark.
Such employees, and employees of OEMs who used the AudioDrive, would still be under NDA. That material was very difficult to get hold of. ESS is a multimedia company and publishes very little information for public dissemination.
What do you need to know that you can't learn from reverse engineering?
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