r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 675

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Figure 13.14 Endian Conversion from PCI Bus to SuperHyway Bus
Note: PCIAddr[2]: PCI bus AD[2]
1. Little endian
PCI bus data
SHwy data
2. Big endian
PCI bus data
SHwy
Buffer data
Buffer data
PCI_Addr[2] = 1
PCI_Addr[2] = 0
(Byte Swapping: TBS = 1)
data
MSB
MSB
31
31
A B C D
A' B' C' D' A B C
A' B' C' D' A B C
A B C
D C B A D' C' B' A'
D C B A D' C' B' A'
D
0
0
Rev.1.00 Jan. 10, 2008 Page 645 of 1658
PCI_Addr[2] = 0
PCI_Addr[2] = 1
D
D
LSB
LSB
13. PCI Controller (PCIC)
REJ09B0261-0100