Fujitsu F2MC-16LX MB90580 Series Hardware Manual page 204

13.5 Operation
3. Master receive ends normally (ST3-0 is 6H)
Note1
N
Note1: It is not required to read the status as these data are stored in different regis-
ters. As the data will be updated, read the register before the next communica-
tion frame.
Note2: Do not read RDB when RDBE = 1.
184 Chapter 13: IE Bus
Begin
Read multiaddress, control
bits and telegraph length bits
number of master receive data byte
RDB read
N N - 1
Note2
N
RDBE = 1?
Y
End
Read out multiaddress, control bits
and master receive byte number
Done by hardware
Read out master receive data
Done by hardware
Done by hardware
MB90580 Series