Michelle Konzack wrote:
Am 2008-05-06 15:28:58, schrieb Jerry Feldman:
And a Nybble is 4 bits. And, at least among chip makers' assemblers, a
word is 16 bits, a longword is 32-bits and a quadword is 64-bits.
But, in asynchronous serial data communications (eg. modem) it takes
10.5 bits to send a byte :-)
It depends... since the STOP Bit can have 1 Bit, 1 1/2 or 2 Bit.
And of course you can use some other bit too.
AFAIK you can get up to 13 Bit to transfer 8 Bit of data but the
minimum is 10 Bit.
So if you have a 56k Modem, you can transfer Data with
44,8 kBaud using one normal START and STOP bit
and
34,4 kBaud using one normal START bit a double long
STOP bit and the XOR and EVEN/ODD bit...
You're forgetting that high speed modems use synchronous communications
between modems, even though they're asynchronous through the serial
port. This allows the start & stop bits to be stripped off and
reinserted at the other end.
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