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3
VMICPCI-7755 Product Manual
Embedded PCI Functions
The VMICPCI-7755 provides non-volatile 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.
The “Device ID” field indicates that the device is for CompactPCI products (65) and
indicates the supported embedded feature set.
The “Vender ID” and “Subsystem Vendor ID” fields indicate VMIC’s PICMG assigned
Vender ID (114A).
The “Subsystem ID” field indicates the model number of the product (7755).
Table 3-2
PCI Configuration Space Registers
31
16
15
00
Register
Address
Device ID 6504
Vendor ID 114A
00h
Status
Command
04h
Class Code
Revision ID
08h
BIST
Header Type
Latency Timer
Cache Line Size
0Ch
PCI Base Address 0 for Memory-Mapped 32kb NVRAM
10h
PCI Base Address 1 for Memory-Mapped Watchdog and other Timers
14h
Reserved
18h
Reserved
1Ch
Reserved
20h
Reserved
24h
Reserved
28h
Subsystem ID 7755
Subsystem Vendor ID 114A
2Ch
Reserved
30h
Reserved
34h
Reserved
38h
Max_Lat
Min_gnt
Interrupt Pin
Interrupt Line
3Ch
Summary of Contents for VMICPCI-7755
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Page 27: ...27 Hardware Setup 1 Figure 1 1 VMICPCI 7755 PMC and Jumper Locations PMC 1 PMC 2 ...
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