Altera PCI Compiler - Manual (Page 79)

Altera Corporation User Guide Version 11.1 3–5
October 2011
Functional Description
Figure 3–4. pci_t32 Functional Block Diagram
PCI Address/
Data Buffer
Parity Checker &
Generator
par
perrn
serrn
framen
irdyn
trdyn
devseln
stopn
intan
ad[31..0]
cben[3..0]
clk
rstn
idsel
pci_t32
l_dato[31..0]
l_adro[31..0]
l_beno[3..0]
l_cmdo[3..0]
lt_rdyn
lt_discn
lt_abortn
lirqn
lt_framen
lt_ackn
lt_dxfrn
lt_tsr[11..0]
l_adi[31..0]
cmd_reg[6..0]
stat_reg[6..0]
Local Target
Control
Local Address/
Data/Command/
Byte Enable
PCI Target
Control
Parameterized
Configuration
Registers