ProDAQ 3150 User Manual
3150UM-01
Bustec Production Ltd.
Page 51
VXI Local Bus Interface
The VXI Local Bus interface of the DSP plug-in module can be used in two different ways, either by routing
the SHARC link interface lines to the VXI local bus lines or by addressing the lines of the VXI local bus
directly via a register.
DSP VXI Local Bus interface registers (base address: 0x0100 0000)
Address
Mnemonic
DSP
RW
Function
0x0100 0000
LOC_CONTROL
RW
LOCAL Bus interface Control register
0x0100 0002
LOC_P2A_OUT
RW
Output register to set VXI Local bus P2A lines
0x0100 0003
LOC_P2C_OUT
RW
Output register to set VXI Local bus P2C lines
0x0100 0004
LOC_P2A_IN
R
Status of VXI Local bus P2A lines
0x0100 0005
LOC_P2C_IN
R
Status of VXI Local bus P2C lines
Note: For accessing these registers the SHARC WAIT register has to be set to 0x2004EAA5
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