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National Instruments Corporation 3-1 PCI-6023E/6024E/6025E User Manual
3
Hardware Overview
This chapter presents an overview of the hardware functions on your board.
Figure 3-1 shows a block diagram for the PCI-6023E, PCI-6024E, and
PCI-6025E.
Figure 3-1.
PCI-6023E, PCI-6024E, and PCI-6025E Block Diagram
Timing
PFI / Trigger
DIO (24)
I/O Connector
PCI Connector
Digital I/O
A/D
Converter
EEPROM
EEPROM
Configuration
Memory
PGIA
Calibration
Mux
Analog Mode
Multiplexer
Analog
Input
Muxes
Voltage
REF
Calibration
DACs
Dither
Generator
Calibration DACs
82C55A
DAC0
DAC1
NOT ON 6023E
Analog Output
DAQ - STC
Analog Input
Timing/Control
Analog Output
Timing/Control
Digital I/O
Trigger
Interface
Counter/
Timing I/O
RTSI Bus
Interface
DMA/
Interrupt
Request
Bus
Interface
(8)
(8)
AI Control
Address/Data
Control
Data
Analog
Input
Control
EEPROM
Control
DMA
Interface
DAQ-
APE
DAQ-STC
Bus
Interface
I/O
Bus
Interface
MINI-
MITE
Generic
Bus
Interface
PCI
Bus
Interface
IRQ
DMA
AO Control
ADC
FIFO
Address
RTSI Connector
DIO Control
6025E Only
PCI.book Page 1 Wednesday, September 16, 1998 9:09 AM