Byte Lane Routing During Ahb Slave Accesses Of The Pci Bus; Big-Endian Ahb Bus - Intel IXP45X Developer's Manual

Figure 97. Byte Lane Routing During AHB Slave Accesses of the PCI Bus –

Big-Endian AHB Bus

31
24
PCI Data
3
31
24
AHB Data 00
31
24
PCI Data
3
31
24
AHB Data 00
® ®
Intel IXP45X and Intel IXP46X Product Line of Network Processors
Develepor's Manual
544
®
Intel IXP45X and Intel
Write,
pci_csr.ADS = 1
23 16 15 7
8 0
2 0
1
23 16 15 7
8 0
01 11
10
Write,
pci_csr.ADS = 0
23 16 15 7
8 0
2 0
1
23 16 15 7
8 0
01 11
10
®
IXP46X Product Line of Network Processors—PCI Controller
31 24
PCI Data
3
31 24
AHB Data
00
pci_csr.ADS = 0
31 24
PCI Data
3
31 24
AHB Data
00
Read,
pci_csr.ADS = 1
23 16 15 8 7 0
2 1 0
23 16 15 8 7 0
01 10 11
Read,
23 16 15 8 7 0
2 1 0
23 16 15 8 7 0
01 10 11
B4280-01
August 2006
Order Number: 306262-004US