[Coco] Project Sneak Peek

[Richard E. Crislip]

On Wed, 20 Jul 2016 20:30:19 -0600
Darren A <mechacoco at gmail.com> wrote:

> On Wed, Jul 20, 2016 at 6:26 PM, Andrew wrote:
> 
> > What is the entire purpose of the ATMega328 on the board?
> >
> 
> 
> It implements the major functions of the device:
> 
> Manages FAT16/32 file system on the SD card.
> Handles requests for virtual hard drive sector I/O.
> Emulation of WD1773 and WD2797 floppy controllers.
> 300 RPM index pulse for floppy drive emulation.
> Handles requests to set or retrieve RTC data.
> Loads ROM image files from SD Card into the 32K SRAM.
> Generates single-channel PWM output from 8-bit audio samples.
> 
> 
> - Darren
> 

OK <Ignorance on> what is PWM? TIA <Ignorance off>