beautypg.com

1 target timing, Table 6.15 pci configuration register read, Figure6.9 pci configuration register read – LSI 53C875A User Manual

Page 251: Target timing, Pci configuration register read, Figure 6.9

background image

PCI and External Memory Interface Timing Diagrams

6-13

6.4.1 Target Timing

The tables and figures in this section describe target timings.

Figure 6.9

PCI Configuration Register Read

Table 6.15

PCI Configuration Register Read

Symbol

Parameter

Min

Max

Unit

t

1

Shared signal input setup time

7

ns

t

2

Shared signal input hold time

0

ns

t

3

CLK to shared signal output valid

11

ns

CLK

FRAME/

AD

(Driven by Master-Addr;

LSI53C875A-Data)

C_BE/

(Driven by Master

)

PAR

(Driven by Master-Addr;

LSI53C875A-Data)

IRDY/

(Driven by Master)

TRDY/

(Driven by LSI53C875A)

STOP/

(Driven by LSI53C875A)

DEVSEL/

(Driven by LSI53C875A)

IDSEL

(Driven by Master)

t

1

t

2

Data Out

Byte Enable

t

1

t

1

t

1

t

2

t

1

t

2

t

2

t

2

t

1

t

2

t

2

t3

t

3

t

3

t

3

Out

In

Addr

In

(Driven by System)

(Driven by System)

CMD