On 8/28/20 1:51 PM, David Bridgham via cctalk wrote: > On 8/28/20 4:00 PM, Chuck Guzis via cctalk wrote: > >> Plenty of code libraries out there. Why dink around when silicon is >> cheap? MCUs are everywhere; in many cases cheaper than discrete logic. > > > Might have been better but I had the FPGA there anyway for other reasons > so I just connected a few pins to the SD card and started writing code.
I'll add tangentially that an MCU can not only give you full-4-bit width SDHC access, but also has a lot of extra goodies, such as USB OTG and even ethernet built on. Goven modern MCUs, I don't think I'd even consider using programmable logic for this particular task. --Chuck
