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28 www.xilinx.com ML310 User Guide
1-800-255-7778 UG068 (v1.01) August 25, 2004
Chapter 2: ML310 Embedded Development Platform
R
Non-Volatile Storage
In addition to programming the FPGA and storing bitstreams, System ACE can be used for
general use non-volatile storage. System ACE provides an MPU interface for allowing a
microprocessor to access the CompactFlash, allowing the use of the CompactFlash as a file
system.
XC2VP30 Connectivity
System ACE is connected to the XC2VP30 through both the JTAG chain, for configuration,
and through the MPU port of the System ACE, for allowing the XC2VP30 to control System
ACE and access the CompactFlash. Table 2-4 shows the connection between the System
ACE and the XC2VP30. It shows the signal names with associated pins on System ACE and
the XC2VP30 for both the MPU interface.
Table 2-4: System ACE MPU Connection from FPGA to Controller
UCF Signal Name
XC2VP30 Pin
(U37)
Schem Signal
Name
System ACE
(U38)
sysace_clk_in AF15 sysace_clk_in 93
sysace_clk_oe C22 sysace_clk_oe 77
sysace_mpa[0] B22 sysace_mpa[0] 70
sysace_mpa[1] E19 sysace_mpa[1] 69
sysace_mpa[2] E18 sysace_mpa[2] 68
sysace_mpa[3] H19 sysace_mpa[3] 67
sysace_mpa[4] G19 sysace_mpa[4] 45
sysace_mpa[5] B23 sysace_mpa[5] 44
sysace_mpa[6] A23 sysace_mpa[6] 43
sysace_mpd[0] E20 sysace_mpd[0] 66
sysace_mpd[1] D20 sysace_mpd[1] 65
sysace_mpd[2] H20 sysace_mpd[2] 63
sysace_mpd[3] G20 sysace_mpd[3] 62
sysace_mpd[4] D23 sysace_mpd[4] 61
sysace_mpd[5] C23 sysace_mpd[5] 60
sysace_mpd[6] E21 sysace_mpd[6] 59
sysace_mpd[7] D21 sysace_mpd[7] 58
sysace_mpoe E23 sysace_mpoe 77
sysace_mpce E22 sysace_mpce 42
sysace_mpwe G23 sysace_mpwe 76
sysace_mpirq F23 sysace_mpirq 41