26
Registers
3.2 I/O Address Map
All 6743X series registers are 32 bits long. Users can access
these registers using 32-bit I/O instructions. The following table
shows the registers address map, including descriptions and their
offset addresses relative to the base address
Table 3-1: PCI/PXI-67432/33/34 I/O Address Map
Note
:
1. I/O port is 32 bits width
2. 8-bit or 16-bit I/O access is not allowed.
Address
Write
Read
PCI-67432
PXI-67432
Base + 0x00
Isolated DO
Isolated DI
Base + 0x40
Clear IRQ
--
PXI-67432P
Base + 0x04
LED Control
Slot Number
Address
Write
Read
PCI-67433
PXI-67433
Base + 0x00
--
Isolated DI
Base + 0x04
--
Isolated DI
Base + 0x08
Clear IRQ
--
Address
Write
Read
PCI-67434
PXI-67434[P]
Base + 0x00
Isolated DO
--
Base + 0x04
Isolated DO
--
Содержание 6743X Series
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