FUJITSU MB86617A - Manual (Page 129)

LSI S pecification MB86617A
Rev.1.0 Fujitsu VLSI
124
< < Flow chart for received data after storing in Asynchronous receive FIFO
Figure 11.4.2 Flow chart for received data after storing in Asynchronous receive FIFO
Note1: If the length of received data is below quadret digid, it is stored by quadret unit????.
Note2: CRC code is not included in the data.
START
Issue Asynchronous receive(03h)
instruction.
Read 1 word of the data from receive
Asynchronous data port
Read flag & status register.
END
0
1
data req bit
Read 1 word of received data and
increment read pointer of receive
buffer.
recv busybit=0
Issue Remove busy(04h)
instruction
Prepare for reading received data.
Receive Remove busy(04h) instruction.
Receive FIFO read mode completed.