ML365 Virtex-II Pro QDR II SRAM Mem. Board
www.xilinx.com
17
UG066 (v1.0) June 29, 2004
1-800-255-7778
Block Descriptions
R
Push Buttons
The ML365 board contains five momentary push buttons. Their functions are as follows:
•
Program the FPGA
•
Reset FPGA
•
Reset SystemAce
•
USER1
•
USER2
Rotary Switch
The ML365 board contains one eight-position rotary switch used to select the SystemAce
file address. One of eight configuration file images is loaded from the Compact Flash card
present in the socket.
Power On or Off Slide Switch
The power on or off slide switch is a DPST slide switch used to apply 5V input power to the
board.
Jumper Settings
lists the jumper settings for the complete PCB.
Grounded I/Os
Unused I/Os are connected to GND in all FPGA banks. This was done to improve power
dissipation and SSO ground bounce. Users must not drive any unused I/Os that are
connected to GND.
Table 2-6:
Jumper Settings
Pin #
Purpose
Jumper Position
1 - 2
2 - 3
P6
QDR II U5 DLL enable
DLL enable
DLL bypass
P7
QDR II U5 ZQ select
Minimum Z mode
0.2RQ = 50 ohm
P20
QDR II U11 DLL enable
DLL enable
DLL bypass
P21
QDR II U11 ZQ select
Minimum Z mode
0.2RQ = 50 ohm
P22
QDR II U12 DLL enable
DLL enable
DLL bypass
P23
QDR II U12 ZQ select
Minimum Z mode
0.2RQ = 50 ohm
P2
System Ace
On = Disable after reset
Off = Enable after reset
Product Not Recommended for New Designs