Figure 2-5. Pci-Mio-16Xe-50 Block Diagram - National Instruments PCI E Series Programmer's Manual

Voltage
REF
(8)
Analog Mux Mode
Selection
Muxes
Switches
(8)
Calibration
Mux
PFI / Trigger
Timing
Digital I/O (8)
DAC0
DAC1
© National Instruments Corporation
Calibration
DACs
2
+
Programmable
Gain
Amplifier
–
Configuration
Trigger
Counter/
Timing I/O
Digital I/O
Calibration
4 DACs

Figure 2-5. PCI-MIO-16XE-50 Block Diagram

The following major components make up the PCI E Series boards:
• PCI bus interface circuitry with Plug and Play capability (MITE)
• Analog input circuitry
• Analog trigger circuitry
• Analog output circuitry
• Digital I/O circuitry
• Timing I/O circuitry (DAQ-STC)
• RTSI bus interface circuitry
The internal data and control buses interconnect the components. Notice
that the DAQ-STC is the timing engine that provides precise timing signals
for the analog input and output operations. The timing I/O circuitry
information in this manual is skeletal in nature and is sufficient in most
cases. For register-level programming information, refer to the DAQ-STC
Technical Reference Manual.
2
16-Bit
Sampling
ADC
A/D
FIFO
Converter
AI Control
Memory
IRQ
DMA
DMA/
Analog Input
Interrupt
Timing/Control
Request
Bus
DAQ - STC
Interface
Analog Output
RTSI Bus
Timing/Control
Interface
AO Control
Data (16)
RTSI Bus
2-5
Chapter 2 Theory of Operation
Control
Generic
PCI
Bus
MITE
Bus
Interface
Interface
Address/Data
EEPROM
Analog
EEPROM DMA
Input
Control Interface
Control
DAQ-STC
MIO
Bus
Interface
Interface
I/O
Analog
Bus
Output
Interface
Control
PCI E Series RLPM