FUJITSU MB86617A User Manual

Page 124

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background image

LSI S pecification

MB86617A

Rev.1.0

Fujitsu VLSI

119

<

< Flow chart after receiving Self-ID packet

<Host> <Device>


































Figure 11.2.2.2 Flow example after receiving Self-ID packet.

START

Issue Asynchronous receive (03h)

instruction.

Read the data of one word from

receive Asynchronous data port.

Read flag & status register.

END

0

1

data req bit

Read one word of received data and

increment the read pointer

Of receive buffer.

recv busy bit=0

Issue Remove busy (04h) instruction.

Prepare for reading received data

Receive Remove busy (04h) instruction.

FIFO remote mode for receiving

completed.

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