Xilinx Virtex-5 FPGA ML561 Manual do Utilizador descarregar pdf (Página 136)

136 www.xilinx.com Virtex-5 FPGA ML561 User Guide

UG199 (v1.2.1) June 15, 2009

Appendix C: LCD Interface

Display Data Byte

The supplied byte must be a valid ASCII representation of a character as shown in

Figure C-9.

The character set is stored in block RAM (used as ROM). The CharacterSet.xls file

contains the layout of the block RAM character set. The block RAM (see Figure C-10) is

organized as small arrays of eight bytes, which is easy for address calculation.

Figure C-9: ASCII Character Representations

UG199_C_09_050106

1 2 ... 131 132 133 134 135 136 137 138 139 140

Virtex-5 FPGA ML561 1
Memory Interfaces 1
Development Board 1
Revision History 2
Table of Contents 3
Chapter 6: Configuration 4
Appendix A: FPGA Pinouts 4
Appendix C: LCD Interface 5
About This Guide 7
Additional Support Resources 8
Conventions 9
Terminology 9
Preface: About This Guide 10
Introduction 11
Chapter 1: Introduction 14
Getting Started 15
Applying Power to the Board 16
Hardware Description 17
DDR400 SDRAM Components 19
DDR2 DIMM 19
DDR2 SDRAM Components 20
QDRII SRAM 20
RLDRAM II Devices 20
Memory Details 21
DDR2 SDRAM DIMM 23
QDRII and RLDRAM II Memories 25
External Interfaces 27
200 MHz LVPECL Clock 28
SMA Clock 28
33 MHz Clock 28
GTP Clocks 29
General-Purpose Headers 29
DIP Switch 29
Seven-Segment Displays 30
Light Emitting Diodes (LEDs) 30
Pushbuttons 30
Power On or Off Slide Switch 31
Soft Touch Probe Points 31
Power Measurement Header 31
Power Regulation 33
Voltage Regulators 34
Board Design Considerations 36
Electrical Requirements 39
Power Consumption 41
FPGA Internal Power Budget 46
Chapter 5 47
Configuration 51
1. X = Supported 52
2. — = Not applicable 52
System ACE Interface 53
Chapter 6: Configuration 54
ML561 Hardware-Simulation 55
Correlation 55
Test Setup 56
UG199_c7_01_062707 57
Table 7-3: DIP[1:2] Settings 60
Voltage (mV) 61
Time (ps) 61
(DDR2 Memory Via) 62
Time (ns) 63
DDR2 Component Read Operation 65
Cursor 1: 697.1 mV, 1.2345 ns 66
Cursor 2: 774.6 mV, 2.5191 ns 66
UG199_c7_21_071907 70
UG199_c7_30_071907 76
QDRII Write Operation 81
QDRII Read Operation 86
Summary and Recommendations 91
FPGA Pinouts 95
FPGA #1 Pinout 97
FPGA #2 Pinout 100
Appendix A: FPGA Pinouts 102
FPGA #3 Pinout 108
Bill of Materials 115
Appendix B: Bill of Materials 116
UG199 (v1.2.1) June 15, 2009 117
LCD Interface 119
Hardware Schematic Diagram 120
Peripheral Device KS0713 121
Controller 122
LCD Panel 122
LED Backlight 122
128 x 64 DOTS 122
Controller – Operation 123
Appendix C: LCD Interface 124
UG199_C_05_050106 126
♦ The LCD bias is set to: 129
Instruction Set 130
Design Examples 134
Display Command Byte 135
UG199_C_09_050106 136
Array Connector Numbering 139

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