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Bus arbitration – FUJITSU MB91460 SERIES FR60 User Manual

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Chapter 31 External Bus

11.Bus Arbitration

11. Bus Arbitration

This section shows timing charts for releasing the bus right and for acquiring the bus right.

Releasing the Bus Right

Figure 11-1

"Timing Chart for Releasing the Bus Right" shows the timing chart for releasing the bus right.

Figure

11-2

"Timing Chart for Releasing the Bus Right" shows the timing chart for acquiring the bus right.

Figure 11-1 Timing Chart for Releasing the Bus Right

MCLK

A23 to A0

AS

CSn *

D31 to D16

Read

BRQ

BGRNT

1 cycle

RD