IDT 89HPES16NT2, User Manual

Page: 266 / 292

IDT Non-Transparent Mode Operation
PES16NT2 User Manual 10 - 136 April 15, 2008
Notes
PCEE_MTDATA - Mapping Table DATA (0x0B0)
5:2 ADDR RW 0x0
1
Mapping Table Address. This field contains the DWord
address of a mapping table entry.
31:6 Reserved RO 0x0 Reserved field.
1.
Not reset by external fundamental reset or internal/external hot reset
Bit
Field
Field
Name
Type
Default
Value
Description
0 V RW 0x0
1
1.
Not reset by external fundamental reset or internal/external hot reset
Mapping Table Entry Valid . Reading this field returns the
mapping table entry pointed to by the ADDR field in the
MTADDR register. Writing this field updates the mapping
table entry pointed to by the ADDR field. Only DWord
accesses are supported to this register. Non DWord
accesses result in an unsupported request completion.
When set, this field indicates if the table entry is valid.
15:1 Reserved RO 0x0 Reserved field.
18:16 FUNC RW 0x0
1
Mapping Table Function Number . Reading this field
returns the mapping table entry pointed to by the ADDR
field in the MTADDR register. Writing this field updates the
mapping table entry pointed to by the ADDR field. Only
DWord accesses are supported to this register. Non
DWord accesses result in an unsupported request comple-
tion.
This field contains the mapping table entry function num-
ber.
23:19 DEV RW 0x0
1
Mapping Table Device Number . Reading this field returns
the mapping table entry pointed to by the ADDR field in the
MTADDR register. Writing this field updates the mapping
table entry pointed to by the ADDR field. Only DWord
accesses are supported to this register. Non DWord
accesses result in an unsupported request completion.
This field contains the mapping table entry device number.
31:24 BUS RW 0x0
1
Mapping Table Bus Number . Reading this field returns
the mapping table entry pointed to by the ADDR field in the
MTADDR register. Writing this field updates the mapping
table entry pointed to by the ADDR field. Only DWord
accesses are supported to this register. Non DWord
accesses result in an unsupported request completion.
This field contains the mapping table entry bus number.
Bit
Field
Field
Name
Type
Default
Value
Description