Appendix D
Hardware Considerations
©
National Instruments Corporation
D-3
Figure D-3.
NI PCI-DIO-32HS, NI PCI/PXI-7030/6533, and NI PXI-6533 Block Diagram
DAQ-DIO
Counters
and
Timers
DMA/
Interrupt
Requests
Handshaking
and
Control
Data Latches
and
Drivers
Data Lines
Data Lines
(32)
(32)
MITE PCI
Interface
PCI I/O Channel
EEPROM
RTSI/PXI Trigger Bus
RTSI
Interface
Control
Lines (8)
I/O
Connector
Clock
Selection
Internal
FIFOs
Bus
Interface
Request
Processing
20 MHz
Oscillator