HP VXI E1432A - Manual (Page 175)

The A24 Registers
The following A24 registers are accessible at the base address defined by
the device’s offset Register. The registers at offsets 0 to E
$ are not
accessible using longword (D32) accesses. The registers at offsets 10 $ to
FFFFF $ may be accessed by any of the of the D08(EO), D16, or D32
modes.
FFFFF $
8000 0 $
Movable DSP
Bus Window
7FFFF $
3000 0 $
Fixed DSP
Bus Window
2FFFF $
2000 0 $
Send/Receive
Data Registers
1FFFF $
0004 F $
Fixed DSP
Bus Window
0003 F $
0000 0 $
VXI Bus A16
Registers
The A24 registers are defined as follows:
q VXI Bus A16 Registers: These are the same registers accessed at the device’s
A16 base address.
q Fixed DSP Bus Window: Accesses to this region are mapped to the
corresponding locations at the base of the internal DSP’s memory map, also
accessible through Page 0 of the moveable DSP bus window.
q Send/Receive Data Registers: Accesses to any address in this region will
read/write the Send and Receive Data registers defined in the A16 register set.
VME Bus D32 Block Transfers are supported for these addresses only.
q Movable DSP Bus Window: Accesses to this region are mapped (by the Page
Map register) to different 512 kB regions of the internal DSP bus.
HP E1432A User's Guide
Register Definitions
A-4
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