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Chapter 4 Device Overview
6527 User Manual 4-2 www.ni.com
Figure 4-1. 6527 Block Diagram
PCI Interface Circuitry
Your 6527 board uses the PCI MITE ASIC to communicate with the
PCI bus. The PCI MITE was designed by National Instruments specifically
for data acquisition. The PCI MITE is fully compliant with PCI Local Bus
Specification 2.0.
Digital I/O Circuitry
You can use your 6527 board as follows:
• Output ports
– Write
– Read back
Port 0
Isolation
Port 0
Digital
I/O
Circuitry
(FPGA)
EEPROM
16
Port 1
Isolation
Port 1
16
Port 2
Isolation
Port 2
16
Port 3
Isolation
Port 3
16
Port 4
Isolation
Port 4
16
Port 5
Isolation
Port 5
16
I/O Connector
PCI or PXI Bus
EEPROM
PCI
MITE
Interface