National Instruments Data Acquisition Device E Series User Manual page 171

Appendix A Device-Specific Information
NI 6023E/6024E/6025E Block Diagrams
Voltage
REF
(8)
Analog
Muxes
Multiplexer
(8)
Calibration
Mux
PFI / Trigger
Timing
Digital I/O (8)
AO Control
DAC0
DAC1
No AO
on NI 6023E
DIO (24)
E Series User Manual
Figure A-35 shows a block diagram of the NI PCI-6023E/6024E/6025E
and the NI PXI-6025E.
Calibration
DACs
Analog
Mode
PGIA
Dither
Circuitry
Configuration
Memory
Trigger
Counter/
Timing I/O
Digital I/O
Calibration
DACs
DIO Control
82C55A
NI 6025 Only
Figure A-35. NI PCI-6023E/6024E/6025E and NI PXI-6025E Block Diagram
EEPROM
A/D ADC
Data
Converter FIFO
AI Control
IRQ
DMA
DMA/
Analog Input
Interrupt
Timing/Control
Request
Bus
DAQ - STC
Interface
Analog Output
RTSI Bus
Timing/Control
Interface
RTSI Connector
A-36
Control
PCI
Generic
Bus
MITE
Bus
Interface
Interface
Address/Data
EEPROM
Analog
EEPROM DMA
Input
Control Interface
Control
Plug
DAQ-STC
MIO
and
Bus
Interface
Play
Interface
Analog 82C55
Bus
Output DIO
Interface
Control Control
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