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

PCIbus. 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