2 adlink usb-3488a gpib interface block diagram, Adlink usb-3488a gpib interface block diagram, Figure 3-3: block diagram of adlink usb-3488a – ADLINK USB-3488A User Manual
Page 39: Gpib interface
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Operation Theory
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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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