Embedded Pci Functions; Table 3-2 Pci Configuration Space Registers - GE VMIVME-7805 Hardware Reference Manual

3.3 Embedded PCI Functions

The VMIVME-7805/VME-7805RC provide nonvolatile RAM (NVRAM), Timers
and a Watchdog Timer via the PCI bus. These functions are required for
embedded and real time applications. The PCI configuration space of these
embedded functions are shown below.

Table 3-2 PCI Configuration Space Registers

31
Device ID 0004
Status
BIST
PCI Base Address 0 for Memory-Mapped VME Control registers (BAR0)
PCI Base Address 1 for Memory-Mapped 32 KByte NVRAM (BAR1)
PCI Base Address 2 for memory-mapped Watchdog and other timers (BAR2)
Subsystem ID 7805
Max_Lat
The "Device ID" field indicates that the device is for VME products (00) and
indicates the supported embedded feature set.
The "Vendor ID" and "Subsystem Vendor ID" fields indicate GE PICMG
assigned Vendor ID (114A).
The "Subsystem ID" field indicates the model number of the product (7805).
16 15
Vendor ID 114A
Class Code
Header Type Latency Timer
Reserved
Reserved
Reserved
Reserved
Subsystem Vendor ID 114A
Reserved
Reserved
Reserved
Min_gnt Interrupt Pin
00 Register
Address
00h
Command 04h
Revision ID 08h
Cache Line Size 0Ch
10h
14h
18h
1Ch
20h
24h
28h
2Ch
30h
34h
38h
Interrupt Line 3Ch
Embedded PC/RTOS Features 41
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