Chapter 3
Hardware Overview
©
National Instruments Corporation
3-3
Figure 3-3 shows the block diagram for the AT-MIO-16E-10 and
AT-MIO-16DE-10.
Figure 3-3.
AT-MIO-16E-10 and AT-MIO-16DE-10 Block Diagram
The primary differences between the AT-MIO-16E-10 and the
AT-MIO-16DE-10 are in the 8255 DIO port, which is not present on
the AT-MIO-16E-10, and the I/O connector.
Timing
PFI / Trigger
I/O
Connector
4
RTSI Bus
AT
–
I/O
Channel
Digital I/O (8)
12-Bit
Sampling
A/D
Converter
EEPROM
Configuration
Memory
+
NI-PGIA
Gain
Amplifier
–
Calibration
Mux
Mux Mode
Selection
Switches
Analog
Muxes
Voltage
REF
Calibration
DACs
Dither
Circuitry
6
Calibration
DACs
DAC0
DAC1
3
DAQ - STC
Analog Input
Timing/Control
Analog Output
Timing/Control
Digital I/O
Trigger
Counter/
Timing I/O
RTSI Bus
Interface
DMA/
Interrupt
Request
Bus
Interface
(8)
(8)
8255
DIO
Port
8
AI Control
Analog
Input
Control
EEPROM
Control
DMA
Interface
DAQ-PnP
DAQ-STC
Bus
Interface
Plug
and
Play
Analog
Output
Control
8255
DIO
Control
Bus
Interface
IRQ
DMA
AO Control
Data (8)
PC (8)
PB (8)
PA (8)
AT-MIO-16DE-10 ONLY
ADC
FIFO
Data (16)
Data
(16)
Data
Transceivers