Here's one that enumerates, and doesn't need a crystal. I can't get it to work with 2.60 and I don't know why. But it does work on PBP 3.0. This is for a 18F47J53, and I only quickly changed the...
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Re: USB on 18F27J53. Closer but still struggling with this.
Here's one that enumerates, and doesn't need a crystal. I can't get it to work with 2.60 and I don't know why. But it does work on PBP 3.0. This is for a 18F47J53, and I only quickly changed the...
Re: USB on 18F27J53. Closer but still struggling with this.
A couple of problems here. USB can't run at 4 mhz. You'll need the PLL to pull it up to 48 mhz. If you are, then you define your OSC as 4 mhz, well, that's a problem too.
The HID include file was...
Re: USB on 18F27J53. Closer but still struggling with this.
Oops, thanks Steve and Dave.
It looks to me that 4, 8, 12, and 16 mhz crystals can be used, but they show no examples of higher crystal operation. Unless I am wrong again, it looks to me like 16...
Re: USB on 18F27J53. Closer but still struggling with this.
According to table 3-5 (page 41) of the data sheet, with a 48 mhz crystal, only EC or ECPLL can be used.