Altera PCI Compiler User Manual

Page 176

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3–102

User Guide Version 11.1

Altera Corporation

PCI Compiler

October 2011

Master Mode Operation

Figure 3–34. Burst Memory Read Master Transaction with PCI-Side Wait State

Notes to

Figure 3–34

:

(1)

This signal is not applicable to the pci_mt32 MegaCore function.

(2)

For pci_mt32, lm_req32n should be substituted for lm_req64n for 32-bit master transactions.

2

3

4

5

6

7

9

10

12

clk

reqn

8

11

1

gntn

(1) ad[63..32]

cben[3..0]

(1) cben[7..4]

par

(1) par64

framen

(1) req64n

irdyn

devseln

(1) ack64n

trdyn

stopn

Adr

6

Adr-PAR

BE_L

Z

D0_L

D0_H

D0-H-PAR

Z

0

0

0

0

Z

Z

BE_H

Z

D2_L

D1_L

D2_H

D1_H

13

Z

Z

Z

D1-H-PAR

D2-H-PAR

D0-L-PAR

D2-L-PAR

D1-L-PAR

l_dato[31..0]

(2) lm_req64n

lm_lastn

lm_adr_ackn

lm_rdyn

lm_tsr[9..0]

000

001

004

002

308

308

008

208

000

(1) l_ldat_ackn

(1) l_hdat_ackn

lm_ackn

lm_dxfrn

208

D0_L

D1_L

D2_L

D0_H D1_H

D2_H

(1) l_dato[63..32]

200

14

ad[31..0]

l_adi[31..0]

Adr

l_cbeni[3..0]

(1) l_cbeni[7..4]

6

BE_L

BE_H

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