|
Message
From: H. Peter Anvin<hpa@z...>
Date: Sat May 12 22:32:18 CEST 2007
Subject: [oc] 16550 MCR WO?
Mark McDougall wrote:
> Hi,
>
> Can anyone tell me why the "UART 16550 compatible" IP core has a
> write-only MCR register?
>
> The reason I ask is that the windows serial drivers do in fact read the
> MCR - implying that the registers are RW on a real device (the datasheet
> doesn't specifically state RO or RW AFAICT).
MCR is writable on a real NS16550A.
-hpa
|
 |
Browse
