The DIGIC is Canon's custom image processor, probably has built in JPG stuff, etc. The Toshiba MIPS processor probably handles all the rest of the data traffic, including all the user interface, firmware, CCD data shuffling, possibly auto focus, plus who knows what else.
rg [EMAIL PROTECTED] wrote: > This is speculation mostly but the big square chip here, marked DIGIC, > is possibly the processor. One of the other smaller chips near the > corrosion might contain the firmware. > http://www.pbase.com/gmr2048/image/69666958 > > These four large chips made by PSC are the DRAM chips, for the image buffer: > http://www.pbase.com/gmr2048/image/69666954 > The smaller silver rectangle is the 664MHz (or 64MHz, can't quite read > it) crystal clock oscillator. The chip to the lower left? No idea. The > metal plates are shielding against radio ferequency interference. > > Ahhhh, correction! The processor is here, not in the link above: > http://www.pbase.com/gmr2048/image/69624861 > It's the one on the left, a Toshiba MIPS based 32-bit RISC cpu, see: > http://www.toshiba.com/taec/news/press_releases/2001/to-167.jsp > The chip on the right is a Toshiba 8-bit single chip microcontroler: > www.semicon.toshiba.co.jp/eng/solution/camera/07camera.html > > And about there I gave up looking through the photos. Blimey it's all > so very mechanically complex!!! > > Eric. > > On 30/11/06, Shel Belinkoff <[EMAIL PROTECTED]> wrote: > >>For the most part, I don't know what I'm looking at. All those pics are >>overwhelming. Thanks for the thought .... >> >>Shel >> >> >> >> >>>[Original Message] >>>From: Paul Sorenson >> >>>This isn't a Pentax, but here's the dissection of a 20D that the owner >>>documented. I would imagine most DSLRs are similar. >>> >>>http://www.pbase.com/gmr2048/20d-dissection&page=all >> >> >> >>-- >>PDML Pentax-Discuss Mail List >>[email protected] >>http://pdml.net/mailman/listinfo/pdml_pdml.net >> > > -- Someone handed me a picture and said, "This is a picture of me when I was younger." Every picture of you is when you were younger. "...Here's a picture of me when I'm older." Where'd you get that camera man? - Mitch Hedberg -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
