Altera PCI Compiler - Manual (Page 174)

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_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
l_adi[31..0] Adr
l_cbeni[3..0]
(1) l_cbeni[7..4]
6 BE_L
BE_H