ML365 Virtex-II Pro QDR II SRAM Mem. Board
www.xilinx.com
7
UG066 (v1.0) June 29, 2004
1-800-255-7778
Figure 1-1: Simplified Block Diagram of Memory Board Interface . . . . . . . . . . . . . . . . . . 11
Figure 2-1: ML365 Board Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 2-2: LCD Write Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 2-3: Display Initialization Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 2-4: LCD Panel Character Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 2-5: SelectMap Connectors P99 and P111 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 2-6: SystemAce and JTAG Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 2-7: JTAG I/O Connector P103. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Chapter 3: Electrical Requirements
Chapter 4: Signal Integrity Recommendations and Simulations
Figure 4-1: Signal Terminations for Transmitted and Received Data . . . . . . . . . . . . . . . . 36
Figure 4-2: Data Signal Bit 4 from the FPGA to the Memory (Typical Case) . . . . . . . . . . 37
Figure 4-3: Eye Diagram for Data Bit 4 from the FPGA to the QDR II SRAM, U11 . . . . 38
Figure 4-4: Data Signals from the QDR II SRAM U11 at the FPGA (Typical,
Slow/Weak and Fast/Strong Cases)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 4-5: Eye Diagram for Data Bit 4 at the FPGA from Component U11. . . . . . . . . . . 40
Figure 4-6: Clock Signal Terminations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 4-7: Clock K Signal from the FPGA to the QDR II SRAM, Component U11 . . . 42
Figure 4-8: Clock CQ Signal from the FPGA to the QDR II SRAM Component U11 . . 43
Figure 4-9: Address and Control Signal Terminations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 4-10: Address/Control Signals for the QDR II SRAM, Component U11, Bit 4 . . 45
Chapter 5: Board Layout Guidelines
Figure 5-1: Picture of the Top Layer of the ML365 Revision 1.0b Board . . . . . . . . . . . . . . 50
Figure 5-2: Picture of the Bottom Layer of the ML365 Revision 1.0b Board . . . . . . . . . . . 51
Appendix 1: Related Documentation
Appendix 3: Memory Board Schematics and Characterization Results
Schedule of Figures
Product Not Recommended for New Designs