Header Type Register; Revision Id/ Class Code Registers - Motorola MVME5100 Programmer's Reference Manual
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Also See for MVME5100:
- Programmer's reference manual (320 pages) ,
- Manual (127 pages) ,
- Installation & use manual (107 pages)
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Revision ID/ Class Code Registers
Offset
Bit
3
3
2
2
1
0
9
8
Name
Operation
Reset
REVID
CLASS
Header Type Register
Offset
Bit
Name
Operation
R
Reset
$00
The Header Type Register (Header) identifies the PHB as the following:
Header Type: $00 - Single Function Configuration Header
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2
2
2
2
2
2
2
2
1
7
6
5
4
3
2
1
0
9
CLASS
R
$060000
Revision ID. This register identifies the PHB revision
level. This register is duplicated in the PPC Registers.
Class Code. This register identifies PHB as the following:
Base Class Code
Subclass Code
Program Class Code
HEADER
R
$00
$08
1
1
1
1
1
1
1
1
1
8
7
6
5
4
3
2
1
0 9 8 7 6 5 4 3 2 1 0
$06
PCI Bridge Device
$00
PCI Host Bridge
$00
Not Used
$0C
R
$00
Registers
2
REVID
R
$01
R
$00
2-99
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