©
National Instruments Corporation
3-1
3
Device Overview and
Theory of Operation
This chapter presents an overview of the hardware functions of the NI 447
X
and other useful information for understanding how the device works.
Functional Overview
Figure 3-1 shows a block diagram of the digital functions, and the analog
function block diagram is shown in Figure 3-2.
Figure 3-1.
Digital Function Block Diagram
Mini MITE
PCI Controller
AI FIFO
DMA Control
Synchronization
Clock Control
General Control
DDS Clock
Generator
To ADCs
PCI Bus
