On 21 May 2009 at 21:42, William Donzelli wrote: Nope--DSP for FAX modem. Mentioned in July 1990, EDN: "Compatible with the company's widely used YM7109 chip, the YM7109E fax modem IC features enhancements such as error-correction and power- down modes, as well as synchronization to an external clock. The CMOS IC, which is targeted for use in personal-computer fax boards and portable-fax applications, offers 9600-bps binary file transfers and supports voice recording and playback." I figure that if someone says the chip is "widely used", someone must at least have a pinout... --Chuck