
C.3.
H7: Buffer nearly-empty threshold
This is a percentage from 0 to 99. The factory setting is 70.
The factory settings of the buffer
The gap between the
H8: Received-data buffer size
This is the size of the input buffer, specified in units of 10 K bytes. The
PRESCRIBE IIe FRPO D0 command
The PRESCRIBE IIe FRPO D0 command is provided to allow manipulating XON/XOFF when an error has occurred on the serial interface. The following table summarizes the error status corresponding to different D0 values.
|
| Serial interface error | |
|
| error not handled | error handled |
Timing of XON transfer | XON sent every | D0 = 0 (default) | D0 = 1 |
to host while Ready or | seconds |
|
|
Waiting |
|
|
|
| XON not sent | D0 = 10 | D0 = 11 |