
3–100 User Guide Version 11.1 Altera Corporation
PCI Compiler October 2011
Master Mode Operation
Figure 3–33 shows the same transaction as in Figure 3–31 with the local
side inserting a wait state. This figure applies to both the pci_mt64 and
pci_mt32 MegaCore functions, excluding the 64-bit extension signals as
noted for pci_mt32.
Figure 3–33. Burst Memory Read Master Transaction with Local-Side Wait State
Notes to Figure 3–33:
(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
ad[31..0]
(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
D1_L
D2_L
D1_H
D2_H
13
Z
Z
Z
D2-H-PAR
D1-H-PAR
D0-L-PAR
D1-L-PAR
D2-L-PAR
l_dato[31..0]
(1), (2) lm_req6
4n
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
l_adi[31..0]
Adr
l_cbeni[3..0]
(1) l_cbeni[7..4]
6
BE_L
BE_H
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