Thanks for the replies...

I was considering using the Shift Register to control the servo motors on a robotic arm. Not sure if this would work, but thought I would give it a try. Will I have enough control over the pulse width?

Has anyone on this board tried using the 6522 Shift register to control a servo?

Like I said. The board is a kit that you solder together. If you do not want to use the 6Mhz crystal, you can choose from all kinds that are available. 1,2, 3, 4, 5 or anything in-between. You are not forced to use th 6Mhz. There is nothing on the board that expects a 6Mhz clock. You are given full ...

That is usually the case with most parts. They always publish the worst case scenario.

Hi Garth,

I understand that in a life or death situation, you may want to bring the clock speed down for reliability. But the board has been tested for quite some time, with both 6Mhz and 2Mhz crystals with flawless operation. The board comes in a kit form, and if the user is concerned, he or she ...

Hi Garth,

Yes you are correct, that is why the Crystal is 6Mhz and not 6.6Mhz... 6.66 is the Theoretical limit with the EEPROM at 150ns. (1,000,000,000 / 150)

Just to clarify. The NCS EB50 was designed to be as flexable as possible as a base system to develop in an educational environment. It was also designed as an upgrade path to the NCS 2056T breadboard computer system. Because the 2056T uses the 74 series logic, the EB50 by default uses this logic as ...

If Apatco or someone complains that I'm undercutting them, I'll just explain that I'm not advertising, I don't have a website, and I'm just trying to make the modern parts available to some friends who have had trouble finding a dependable source.

We at APATCO are simply trying to be there for ...