Board Hardware

R

SW3 = 0 0 0 (default)

2.5V

System ACE

SW3

2 3

1 ON

SYSACE CFG

U38

Shown here with CFGADDR[2:0] set to "000".

ON => SW Closed

0 1 2

CFGADDR

RESET

SW1

U31

Debounce

SYSACE_

RESET_NSYSACE

Reset

CFGADDR[2:0] = 0x0

 

 

0x1

 

 

0x2

 

 

0x3

 

Default

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x4

0x5

0x6

0x7

Figure 2-16:SW3 - SysACE CFG Switch Detail

Front Panel Interface Connector, J23

The Front panel Interface connector (J23) is a 24-pin header that accepts a standard IDC 24 pin connector (0.1inch pitch). J23 provides an optional means to control and gather status information from the ML310 board if it were to be enclosed similar to that of a desktop PC. The functionality listed below can easily be connected via a user build cable that connects to some collection of user created logic the could be used to control/monitor the functionality available via the Front Panel Interface.

The front panel interface provides the following control capability available through the J23 header.

Power on/off the ML310

-ML310 board is delivered with a jumper installed on J23

Select any of the eight System ACE configuration

-Connects to the 3 System ACE configuration address lines

System ACE Reset

-Active low input

CPU Reset

-Active low input

ML310 User Guide

www.xilinx.com

55

UG068 (v1.01) August 25, 2004

1-800-255-7778

 

Page 55
Image 55
Xilinx ML310 manual Front Panel Interface Connector, J23, 16SW3 SysACE CFG Switch Detail