Marvin Test Solutions GX5280, Руководство пользователя

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24 GX5280 User Guide
Direction
Control
Channels 0-7
Group0
Memory
Channels 8-15
Group1
Memory
Channels 16-23
Group2
Memory
Channels 24-31
Group3
Memory
Data
Data
Data
Data
Program
Address
Counter
Run Time
Engine
Figure 4-5: Memory Management Block Diagram
The Clock/Strobe signals and the Vector Program Control the program counter that contains the address of the
current I/O memory. After resetting, the program counter points to address zero and increments with the
Clock/Strobe signals signal towards the last memory address.
Vector Program Control
The Vector Program Control (Figure 4-6) is a high-speed Event Detection with Real-Time Response to those events
unit controlling the program counter and the GX5280 state. The inputs to the Vector Program Control are:

The 16-bit external events input lines or X register

Trigger or Pause signals as processed by the Trigger/Pause logic.

Software command control: Arm, Trigger, Pause, Halt, Step and Reset.

External input lines: External Trigger, External Pause and External Jump.

Predefined program commands to be processed in run time.