Chapter 2
Functional Overview
VME-MXI-2 User Manual
2-2
© National Instruments Corporation
VMEbus
System
Controller
Functions
VMEbus
MXI-2
MXI-2
System
Controller
Functions
MXI-2
Control
Signals
Xcvrs
VMEbus
Control
Signals
Xcvrs
VMEbus
Master
State
Machine
VMEbus
Slave
State
Machine
MXI-2
Master
State
Machine
MXI-2
Slave
State
Machine
DMA
Controller 1
DMA
Controller 2
MXI-2
Address/
Data and
Address
Modifier
Xcvrs
MXI-2
Parity
Check and
Generation
AD[31-0]
AM[4-0]
CONVERT
PAR
A24/A32
Base Address
Decoder
A16 Base
Address
Decoder
A32
Window
A24
Window
A16
Window
LA
Window
VMEbus
Address
and
Address
Modifier
Xcvrs
A[31-1]
AM[5-0]
VXI-MXI-2
Registers
Onboard
DRAM
SIMMs
VMEbus
Data
Xcvrs
D[31-0]
MXI-2
Terminate
VMEbus
Interrupt
and
Utility
Signal
Xcvrs
IRQ[7-1]
SYSRESET
SYSFAIL
ACFAIL
Interrupt
and Utility
Signal
Circuitry
IRQ[7-1]
SYSRESET
SYSFAIL
ACFAIL
MXI-2
Interrupt
and
Utility
Signal
Xcvrs
VMEbus
Bus
Timeout
Unit
BERR
Figure 2-1. VME-MXI-2 Block Diagram
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com