Adlink USB-3488A User Manual download pdf (Page 39)

Operation Theory 31

3.2.2 ADLINK USB-3488A GPIB Interface Block Diagram

The ADLINK USB-3488A GPIB interface include a 32 KB FIFO to

maximize data transfer rates.

Its state-of-the-art state machine in the the 8051 coordinates the

data flow between the USB Bus, FIFO and GPIB bus.

Figure 3-3: Block Diagram of ADLINK USB-3488A GPIB Interface

FPGA

GPIB IP

(Built-in 2 KB FIFO)

PCI

Controller

Bus

Transceiver/

Receiver

CPLD

SRAM

8051

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Adlink USB-3488A User Manual Page 39