Chapter 6. Serial I/O, SNP & RTU Protocols
214
PACSystems* RX7i, RX3i and RSTi-EP CPU Reference Manual
GFK-2222AD
6.2.8
Flush Input Buffer Function (4302)
This operation empties the input buffer of any characters received through the serial port but not yet
retrieved using a read command. All such characters are lost.
Example Command Block for the Flush Input Buffer Function
VALUE
(decimal)
VALUE
(hexadecimal)
MEANING
Address
0001
0001
Data block length
A1
0000
0000
NOWAIT mode
A2
0008
0008
Status word memory type (%R)
A3
0000
0000
Status word address minus 1 (%R0001)
A4
0000
0000
Not used
A5
0000
0000
Not used
A6
4302
10CE
Flush input buffer command
