46 V7768/V7769 Hardware Reference Manual
3.1.2 I
2
C/SMBus Temperature Sensor
The MAX6659MEE can be monitored and controlled on the SMBus at address
0x98 for the V7768/V7769. This will allow the user to monitor and set up the
alarm (OVERT2).
For more information on the Maxim MAX6659MEE contact them directly at:
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
3.2 Embedded PCI Functions
The V7768/V7769 provide non-volatile RAM (NVRAM), timers and a Watchdog
Timer via the PCI bus FPGA. These functions are required for embedded and real
time applications. The PCI configuration space of these embedded functions is
shown in Table 3-1.
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’s PICMG
®
assigned Vendor ID (114A).
The “Subsystem ID” field indicates the model number of the product (7768).
Table 3-1 PCI Configuration Space Registers
31 16 15 0 Register Address
Device ID 0004 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 VME Control registers (BAR0) 10h
PCI Base Address 1 for Memory-Mapped 32 KByte NVRAM (BAR1) 14h
PCI Base Address 2 for Memory Mapped Watchdog and other timers (BAR2) 18h
Reserved 1Ch
Reserved 20h
Reserved 24h
Reserved 28h
Subsystem ID 7768 Subsystem Vendor ID 114A 2Ch
Reserved 30h
Reserved 34h
Reserved 38h
Max_Lat Min_gnt Interrupt Pin Interrupt Line 3Ch
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