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Figure6.22 burst read, 64-bit address and data, Burst read, 64-bit address and data – Avago Technologies LSI53C896 User Manual

Page 301

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PCI and External Memory Interface Timing Diagrams

6-33

Version 3.3

Copyright © 1998–2003 by LSI Logic Corporation. All rights reserved.

Figure 6.22 Burst Read, 64-Bit Address and Data

t

1

t

2

CLK

(Driven by System)

GPIO0_FETCH/

(Driven by LSI53C896)

GPIO1_MASTER/

(Driven by LSI53C896)

REQ/

(Driven by LSI53C896)

PAR; PAR64

(Addr drvn by LSI53C896;-

IRDY/

(Driven by LSI53C896)

TRDY/

(Driven by Target)

STOP/

(Driven by Target)

DEVSEL/

(Driven by Target)

AD[31:0]

(Driven by LSI53C896-

C_BE[3:0]/

(Driven by LSI53C896)

t

3

GNT/

(Driven by Arbiter)

FRAME/

(Driven by LSI53C896)

Addr

Out Lo

t

2

Addr; Target-Data)

Data drvn by Target)

BE

Data In

Out

In

In

REQ64/

(Driven by LSI53C896)

ACK64/

(Driven by Target)

Addr

Out Hi

t

2

Bus

Dual

Addr

CMD

AD[63:32]

(Driven by LSI53C896-

C_BE[7:4]/

(Driven by LSI53C896)

Addr; Target-Data)

BE

Data In

Hi Address

Bus CMD

In