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1–16 Altera Corporation

Nios Development Board Reference Manual, Cyclone Edition December 2004

Mictor Connector

Figure 1–11 shows an example of an in-target system analyzer ISA-

NIOS/T (sold separately) by First Silicon Solutions (FS2) Inc. connected

to the Mictor connector. For details see www.fs2.com.

Figure 1–11. An ISA-Nios/T Connecting to the Mictor Connector (J25)

Five of the signals connect directly to both the JTAG pins on the Cyclone

device (U60), and the Cyclone device’s JTAG connector (J24). The JTAG

signals have special usage requirements. You cannot use J24 and J25 at the

same time.

Figure 1–12 below shows connections from the Mictor connector to the

Cyclone device. Figure 1–13 shows the pin out for J25. Unless otherwise

noted, labels indicate Cyclone device pin numbers.

Figure 1–12. Mictor Connector Signaling

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Altera Nios Development Board Manuale Utente Pagina 24