4-2
Literature Center Web Site
Functional Description
4
Block Diagram
shows a block diagram of the overall board architecture.
Interrupt Controller
– Provided by GT-64260B
– Interrupt sources internal to GT-64260B
– Up to 32 external interrupt inputs
– Up to seven interrupt outputs
Counters/Timers
– Eight 32-bit counters/timers in GT-64260B
I2C
– Provided by GT-64260B
– Master or slave capable
– On-board serial EEPROMs for VPD, SPD, GT-64260B init, and
user data storage
NVRAM
– 32KB provided by MK48T37
Real Time Clock
– Provided by MK48T37
Watchdog Timers
– One in GT-64260B
– One in MK48T37
– Each watchdog timer can generate interrupt or reset, software
selectable
On-board Peripheral
Support
– One 10/100/1000BaseT Ethernet interface, one 10/100BaseT
Ethernet interface
– Dual 16C550 compatible UARTs
PCI Mezzanine Cards
– Two PMC sites (one shared with the expansion memory and has
IPMC capability)
PCI Expansion
– One expansion connector for interface to PMCspan
Miscellaneous
– Reset/Abort switch
– Front-panel status indicators, Run and Board Fail
Form Factor
– Standard VME
Table 4-1. MVME5500 Features Summary (continued)
Feature
Description