Xilinx UG078 PROGRAM Switch, RESET Switch Active-Low, Done Led, Init Led, Platform Flash ISPROM

Detailed Description

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15. PROGRAM Switch

The active-low PROGRAM switch, when pressed, grounds the program pin on the DUT.

16. RESET Switch (Active-Low)

The RESET switch connects to a standard I/O pin on the DUT, allowing the user, after configuration, to reset the logic within the DUT. When pressed, this switch grounds the pin.

Table 11 shows the INIT pin locations for the available DUT package types.

Table 11: User Hardware and Corresponding I/O Pins

		Pin Number For Package Type
Label	SF363		FF668	FF1148	FF1513
RESET	R16		W24	AP21	AH23

Note: Refer to the readme.txt file for implementation of this user pin.

17. DONE LED

The DONE LED indicates the status of the DONE pin on the DUT. This LED lights when DONE is high or if power is applied to the board without a part in the socket.

18. INIT LED

The INIT LED lights during initialization.

19. Platform Flash ISPROM

A32-Mb Platform Flash In-System Programmable Configuration PROM (ISPROM) is provided on the board for configuration (see Table 12). Refer to Platform Flash ISPROM (DS123) at http://direct.xilinx.com/bvdocs/publications/ds123.pdf for a detailed description.

Table 12: Platform Flash ISPROM Configuration

Label	Description
J46	Provides power to the ISPROM. These jumpers must be installed for proper
	operation of the ISPROM.
J45	Sets the design revision control for the ISPROM.
J43	Enables or disables the ISPROM by placing the address counter in reset and
	DATA output lines in high-impedance state.
J42	Sets the ISPROM for serial or select map configuration.
J8	Selects one of two modes of CCLK operation:
	• ISPROM provides CCLK (PROM CLKOUT)
	• FPGA provides CCLK (FPGA CCLK)

22	www.xilinx.com	Virtex-4 LX/SX Prototype Platform
		UG078 (v1.2) May 24, 2006