Revision Id/Class Code Registers; Header Type Register - Motorola MVME2400 Series Programmer's Reference Manual
Vme processor module
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Also See for MVME2400 Series:
- Installation and use manual (175 pages) ,
- Installation and user manual (20 pages)
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Revision ID/Class Code Registers
Offset
$08
Bit
3
3
2
2
2
2
1
0
9
8
7
6
Name
CLASS
Operation
R
Reset
$060000
REVID (Revision ID) This register identifies the PHB revision level.
This register is duplicated in the PPC Registers.
CLASS (Class Code) This register identifies PHB as the following:
Header Type Register
Offset
$0C
Bit
Name
Operation
R
Reset
$00
The Header Type Register (Header) identifies the PHB as the following:
Header Type
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2
2
2
2
2
2
1
1
1
1
1
5
4
3
2
1
0
9
8
7
6
5
Base Class Code $06 PCI Bridge Device
Subclass Code $00 PCI Host Bridge
Program Class Code $00 Not Used
HEADER
R
R
$00
$00
$00
Single Function Configuration Header
1
1
1
1
1
4
3
2
1
0 9 8 7 6 5 4 3 2 1 0
REVID
R
$01
R
$00
Registers
2
2-95
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