LSI Specification

MB86617A

<Flow chart for received data after storing in Asynchronous receive FIFO

<Host>

<Device>

START

Issue Asynchronous receive(03h)

instruction.

Read 1 word of the data from receive Asynchronous data port

Read flag & status register.

1

data req bit

0

Issue Remove busy(04h)

instruction

Prepare for reading received data.

Read 1 word of received data and increment read pointer of receive buffer.

Receive Remove busy(04h) instruction.

Receive FIFO read mode completed.

recv busybit=0

END

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.

Rev.1.0

124

Fujitsu VLSI

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Fujitsu MB86617A manual 124