13. PCI Controller (PCIC)
Rev.1.00 Jan. 10, 2008 Page 644 of 1658
REJ09B0261-0100
(6)
Endian
This LSI supports both the big and little endian formats. Since the PCI local bus is inherently little
endian, the PCIC supports both byte swapping and non-byte swapping.
The endian format is specified by the TBS bit in PCICR.
31
MSB
LSB
0
PCI bus data
SHwy data
1. Little endian
A' B' C' D' A
B
C
A' B' C' D' A
B
C D
A
B
C
PCI_Addr[2] = 1
PCI_Addr[2] = 0
31
MSB
LSB
0
PCI bus data
SHwy data
A
B
C D A' B' C' D'
A
B
C D A' B' C' D'
A
B
C
PCI_Addr[2] = 0
PCI_Addr[2] = 1
2. Bi
g
endian
Note: PCIAddr[2]: PCI bus AD[2]
D
D
Buffer data
Buffer data
D
Figure 13.13 Endian Conversion from PCI Bus to SuperHyway Bus
(Non-Byte Swapping: TBS = 0)
Summary of Contents for SH7781
Page 4: ...Rev 1 00 Jan 10 2008 Page iv of xxx REJ09B0261 0100 ...
Page 74: ...2 Programming Model Rev 1 00 Jan 10 2008 Page 44 of 1658 REJ09B0261 0100 ...
Page 272: ...8 Caches Rev 1 00 Jan 10 2008 Page 242 of 1658 REJ09B0261 0100 ...
Page 376: ...10 Interrupt Controller INTC Rev 1 00 Jan 10 2008 Page 346 of 1658 REJ09B0261 0100 ...
Page 694: ...13 PCI Controller PCIC Rev 1 00 Jan 10 2008 Page 664 of 1658 REJ09B0261 0100 ...
Page 762: ...14 Direct Memory Access Controller DMAC Rev 1 00 Jan 10 2008 Page 732 of 1658 REJ09B0261 0100 ...
Page 788: ...15 Clock Pulse Generator CPG Rev 1 00 Jan 10 2008 Page 758 of 1658 REJ09B0261 0100 ...
Page 828: ...17 Power Down Mode Rev 1 00 Jan 10 2008 Page 798 of 1658 REJ09B0261 0100 ...
Page 846: ...18 Timer Unit TMU Rev 1 00 Jan 10 2008 Page 816 of 1658 REJ09B0261 0100 ...
Page 1292: ...24 Multimedia Card Interface MMCIF Rev 1 00 Jan 10 2008 Page 1262 of 1658 REJ09B0261 0100 ...
Page 1326: ...25 Audio Codec Interface HAC Rev 1 00 Jan 10 2008 Page 1296 of 1658 REJ09B0261 0100 ...
Page 1482: ...28 General Purpose I O Ports GPIO Rev 1 00 Jan 10 2008 Page 1452 of 1658 REJ09B0261 0100 ...
Page 1538: ...30 User Debugging Interface H UDI Rev 1 00 Jan 10 2008 Page 1508 of 1658 REJ09B0261 0100 ...
Page 1688: ...Appendix Rev 1 00 Jan 10 2008 Page 1658 of 1658 REJ09B0261 0100 ...
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