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Chapter 3 hardware overview, Hardware overview, I/o connector – National Instruments AT E Series User Manual

Page 27: At – i/o channel

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3-1

AT E Series User Manual

3

Hardware Overview

This chapter presents an overview of the hardware functions on
the AT E Series device.

Figure 3-1 shows the block diagram for the AT-MIO-16E-1 and
AT-MIO-16E-2.

Figure 3-1. AT-MIO-16E-1 and AT-MIO-16E-2 Block Diagram

Timing

PFI / Trigger

I/O

Connector

3

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

Trigger

Analog
Trigger

Circuitry

2

Trigger Level

DACs

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)

DAC

FIFO

8

Data (16)

AI Control

Data

(16)

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

Data

Transceivers

AO Control

ADC

FIFO