TPMC671 User Manual Issue 1.1
Page 25 of 28
Standard use of the TPMC671:
Local Address Space 0
16 bit bus in Big Endian Mode
Local Address Space 1
not used
Local Address Space 2
not used
Local Address Space 3
not used
Expansion ROM Space
not used
To change the Endian Mode use the Local Configuration Registers for the corresponding Space. Bit
24 of the according register sets the Mode. A value of 1 indicates Big Endian and a value of 0
indicates Little Endian.
For further information please refer to the PCI9030 manual which is also part of the TPMC671-ED
Engineering Documentation.
Use the PCI Base Address 0 + Offset or PCI Base Address 1 + Offset:
Short cut Offset
Name
LAS0BRD
0x28
Local Address Space 0 Bus Region Description Register
LAS1BRD
0x2C
Local Address Space 0 Bus Region Description Register
LAS2BRD
0x30
Local Address Space 0 Bus Region Description Register
LAS3BRD
0x34
Local Address Space 0 Bus Region Description Register
EROMBRD
0x38
Expansion ROM Bus Region Description Register
You could also use the PCI - Base Address 1 I/O Mapped Configuration Registers.
