[Coco] Smart IO interfacing on the CoCo

RETRO Innovations go4retro at go4retro.com
Sat Apr 25 13:09:31 EDT 2020


On 4/25/2020 11:03 AM, Allen Huffman wrote:
> On Apr 25, 2020, at 12:44 AM, RETRO Innovations <go4retro at go4retro.com> wrote:
>>> Unrelated. . .  Have you done much with Microchip 24FJ64GB002?
>>
>> It’s a USB host controller chip that handles everything, then speaks serial. You can buy it on a proto board ready to hook up and preprogrammed for $10 shipped from England. Much cheaper to buy it from the US and program it directly, of course.
>>
>> USB keyboard, mouse, thumb drives, game controllers, and everything... all super cheap and easy to hook to the CoCo with a simple interface. :)

Actually, it's a full fledged uC, with a USB host controller built in, 
like the AVR AT90USB647 and AT90USB1287.  So, you could, in theory, 
write the USB and the interface code in the same uC, even cheaper.

Jim




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