On 4/23/2013 12:54 PM, Curt, WE7U wrote: > On Thu, 18 Apr 2013, Kristoff Bonne wrote: > > Now there's a BeagleBone for $45 too. I haven't looked at the specs to see > whether it has floating point, but maybe another possibility? > > 1GHz Cortex-A8, 2GB on-board flash, microSD, microHDMI, ethernet, $45: > > http://goo.gl/SsqE6 It's a Sitara, related to the one in our AM335x starter kit which we'll be showing at Dayton, except that the starter kit has a touchscreen, bluetooth, and wifi. I think the BeagleBone Black has 4 processors on chip: a Cortex A8 (which I think does have floating point), C7 DSP (OK if you want to invest the time), two PRUs. A PRU is very simple scalar in-order 32 bit processor with 4K program RAM and the ability to access all of the on-chip peripherals and to share a pair of mailbox registers and some RAM with the main processor. It does the real-time and sleep-mode jobs more efficiently than the main processor.
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