Altera Cyclone II DSP Development Board Manuel d'utilisateur télécharger pdf (Page 110)

D–2 Reference Manual Altera Corporation

Cyclone II DSP Development Board August 2006

Introduction

To reprogram the EPCS64 (U17), follow these steps:

1. Set SAFE EPCS mode by placing a jumper on pins 1 and 2 on J29.

See Figure D–1 and

Figure D–1. Setting SAFE EPCS Mode on J29

Figure D–2. J29 SAFE Mode Setting

2. Connect the USB-Blaster

download cable to the active serial

interface (ASI) connector (J13). Connect the other end of the cable to

the USB port on your PC, as shown in Figure D–3.

J29

SAFE/USER Mode

SAFE

USER

J29

1 2 ... 105 106 107 108 109 110 111 112

Reference Manual 1
MNL-CII012805-1.1 2
Contents 3
About This Manual 5
Typographic 6
Conventions 6
Chapter 1. Introduction 7
Features Overview 8
Chapter 2. Cyclone II DSP 9
Development 9
Board Components 9
Components & Interfaces 10
USER EPCS (U36) 11
(Flash Memory) 11
Expansion Connectors 13
General Connectors 13
DIMM_SYNC_CLK) is a 14
CONFIG_DONEn is asserted) 15
Featured Device 17
User Interfaces 17
Closed Position 19
Open Position 19
USER_PB3 AE14 20
USER_PB2 AE22 20
USER_PB1 AE16 20
USER_PB0 AC18 20
Audio CODEC Converter (U11) 22
Audio Jacks (J10, J14, J16) 22
VGA Output Connector (J21) 23
D/A Converter (U25 & U30) 25
D/A Converter Clocks 26
CLK_OSC_DACA (Channel A) 27
CLK_OSC_DACB (Channel B) 27
FPGA_TO_DAC_CLK 27
SMA_TO_DAC_CLK 27
Note to Table 2–13: 28
A/D Converter (U26 & U31) 30
A/D Converter Clocks 31
CLK_OSC_ADCA (Channel A) 32
CLK_OSC_ADCB (Channel B) 32
FPGA_TO_ADC_CLK 32
SMA_TO_ADC_CLK 32
Note to Table 2–18: 33
Components 34
DDR2 SDRAM DIMM Clocks 35
Memory Components 36
Note to Figure 2–12: 36
EPCS Select (J29) 45
Synchronous SRAM Device (U22) 47
Note to Table 2–23: 49
■ EVM_CEn2 selects the SSRAM 50
J15Pin 1 51
Pin 1 Pin 1 51
Notes to Figure 2–16: 52
Note to Table 2–24: 55
General 58
Connectors 58
Mictor Connector (J12) 61
Notes to Figure 2–19: 62
Note to Table 2–28: 64
Status LEDs & 65
Reset/Power 65
Switches 65
USER RESET 66
SYS RESET 66
Clock Circuitry 67
Setting the Clocks 68
CLK SMA Connector (J17) 69
Clock Buffer (U16) 71
Power Supply 72
Power Plane 78
Supplies 78
Settings 78
Appendix A. DDR2 SDRAM 79
DIMM Connector Pin Out Table 79
DIMM_DQS5 C12 C12 82
DIMM_DQS6 B14 B14 82
DIMM_DQS7 C17 C17 82
DIMM_DQS8 B6 B6 82
Appendix B. SSRAM 83
Pin-Out Table 83
Note to Ta ble B –1: 85
Appendix C. Cyclone II EP2C70 87
Device Pin-Out Table 87
Appendix D. Restoring the 109
Factory Design 109
SAFE/USER Mode 110
ASI Connector 111
JTAG Cable 111
Introduction 112

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