Altera Stratix IV GX FPGA Development Board Manuale Utente Scaricare il pdf (Pagina 27)

Chapter 2: Board Components 2–19

Configuration, Status, and Setup Elements

August 2012 Altera Corporation Stratix IV GX FPGA Development Board

Reference Manual

JTAG Control DIP Switch

The JTAG control DIP switch can either remove or include devices in the active JTAG

chain. However, the Stratix IV GX FPGA device is always in the JTAG chain.

Table 2–13 lists the switch controls and its descriptions.

Table 2–14 lists the JTAG control DIP switch component references and

manufacturing information.

PCI Express Control DIP Switch

The PCI Express control DIP switch can enable or disable the different configurations.

Table 2–15 lists the switch controls and descriptions.

Table 2–13. JTAG Control DIP Switch Controls

Switch Schematic Signal Name Description Default

EPM2210_JTAG_EN

ON : Bypass Max II CPLD EPM2210 System Controller

OFF : Max II CPLD EPM2210 System Controller in-chain

HSMA_JTAG_EN

ON : Bypass HSMA

OFF : HSMA in-chain

HSMB_JTAG_EN

ON : Bypass HSMB

OFF : HSMB in-chain

PCIE_JTAG_EN

ON : Bypass PCI Express

OFF : Reserved (disables JTAG chain, do not use)

Table 2–14. JTAG Control DIP Switch Component Reference and Manufacturing Information

Board Reference

Device

Description

Manufacturer

Part Number

Manufacturer Website

SW6

Four-position slide

DIP switch

C & K Components TDA04H0SB1 www.ck-components.com

Table 2–15. PCI Express Control DIP Switch Controls

Switch Schematic Signal Name Description Default

PCIE_PRSNT2n_x1

ON : Enable x1 presence detect

OFF : Disable x1 presence detect

PCIE_PRSNT2n_x4

ON : Enable x4 presence detect

OFF : Disable x4 presence detect

PCIE_PRSNT2n_x8

ON : Enable x8 presence detect

OFF : Disable x8 presence detect

MAX_EN

Reserved OFF

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