home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Cream of the Crop 1
/
Cream of the Crop 1.iso
/
PROGRAM
/
NS_16550.ARJ
/
550.ASC
next >
Wrap
Text File
|
1991-07-20
|
896b
|
41 lines
NATIONAL SEMICONDUCTOR'S PC PERIPHERALS APPLICATION GROUP
USER INFORMATION
PC16C550/NS16550AF
8/9/90
When the transmitter FIFO is enabled, the last byte in
the shift register is being sent out, and only 1 new byte
is being loaded into this FIFO; there is a small
posssibility that the new byte will not be transmitted.
When more than 1 new byte is loaded into the FIFO all of
the new bytes loaded will be transferred.
This issue is caused by the timing relationship between
the baudrate and the system software. If this problem
occurs it can be eliminated by changing the execution
time of the driver software.