National Instruments PXI-7842 - Page 21

Chapter 2 Hardware Overview of the NI 78xxR
R Series Multifunction RIO User Manual 2-2 ni.com
Figure 2-2. NI 7830R Block Diagram
RTSI/PXI Triggers
PXI Local Bus (NI PXI-7830R only)
Connector 0 (MIO)
Connector 1 (DIO)
Input Mode Mux
AISENSE
AIGND
Calibration
Mux
Voltage
Reference
Temperature
Sensor
Calibration
DACs
2
x4 Channels
16-Bit
DAC
Digital I/O (16)
User-
Configurable
FPGA on RIO
Devices
Bus
Interface
Data/Address/
Control
Control
Address/Data
Flash
Memory
Configuration
Control
Configuration
PCI/PXI/CompactPCI Bus
16-Bit
ADC
Calibration
DACs
Input Mux
Digital I/O (40)
RTSI Bus
x4 Channels
Instrumentation
Ampliflier
AI–
AI+
+
–