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Initialization – FUJITSU MB86617A User Manual

Page 118

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LSI S pecification

MB86617A

Rev.1.0

Fujitsu VLSI

113

11.1. Initialization

The example of control flow from the system power on to the packet transmitting/receiving possible state is shown below.

In this examle, the device is not operated with cable power supply before turning on the power of system.
































Figure 11.1 Example of flow for Initialization


System power ON

Start internal PLL.

Power CPS terminal to ‘L’, up to 500ns.

Power XRESET terminal to ‘L’, up to

400ns.

Receive BUS_RESET

Report Bus reset detected(INT4) interrupt (assert

XINT).

Inner reset and release reset.

Start bus reset process.

END

Read Bus reset detected (INT4)

interrupt.

No

Yes

Report Bus reset complete (INT3)

interrupt (assert XINT).

Read Bus reset complete (INT3)

interrupt.

Complete bus reset process.

Packet

transmitting/receiving

possible

START