Sigma DE2-70 manual Sdram schematic

Page 61

DE2-70 User Manual

DRAM_D[0..31]

DRAM0_A[0..12]

DRAM1_A[0..12]

DR_VCC33

DR_VCC33

DRAM0_A0

23

DRAM0_A1

 

24

DRAM0_A2

 

25

DRAM0_A3

 

26

DRAM0_A4

 

29

DRAM0_A5

 

30

DRAM0_A6

 

31

DRAM0_A7

 

32

DRAM0_A8

 

33

DRAM0_A9

 

34

DRAM0_A10

 

22

DRAM0_A11

35

DRAM0_A12

 

36

DRAM0_CLK

 

38

DRAM0_CKE

 

37

DRAM0_LDQM0

 

15

DRAM0_UDQM1

39

 

 

 

DRAM0_WE_n

16

U1

1

 

14

 

27

 

 

 

 

 

 

DVD DVD DVD

A0

 

 

 

 

 

 

 

A1

 

 

 

 

 

 

 

A2

 

 

 

 

 

 

 

A3

 

 

 

 

 

 

 

A4

 

 

 

 

 

 

 

A5

 

 

 

 

 

 

 

A6

 

 

 

 

 

 

 

A7

 

 

 

 

 

 

 

A8

 

 

 

 

 

 

 

A9

 

 

 

 

 

 

 

A10

 

 

 

 

 

 

 

A11

 

 

 

SDR

A12

 

 

 

 

 

 

 

 

 

 

CLK

 

 

 

 

CKE

 

 

 

 

LDQM

 

 

 

 

UDQM

 

 

 

 

394349

QVDD QVDD QVDD QVDD D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 AM 16Mx16 D12 D13 D14 D15

2DRAM_D0

4DRAM_D1

5DRAM_D2

7DRAM_D3

8DRAM_D4

10DRAM_D5

11DRAM_D6

13DRAM_D7

42DRAM_D8

44DRAM_D9

45DRAM_D10

47DRAM_D11

48DRAM_D12

50DRAM_D13

51DRAM_D14

53DRAM_D15

DRAM1_A0

23

DRAM1_A1

 

24

DRAM1_A2

 

25

DRAM1_A3

 

26

DRAM1_A4

 

29

DRAM1_A5

 

30

DRAM1_A6

 

31

DRAM1_A7

 

32

DRAM1_A8

 

33

DRAM1_A9

 

34

DRAM1_A10

 

22

DRAM1_A11

 

35

DRAM1_A12

 

36

DRAM1_CLK

 

38

DRAM1_CKE

 

37

DRAM1_LDQM0

15

 

 

 

DRAM1_UDQM1

39

 

 

 

DRAM1_WE_n

16

U2

1

 

14

 

27

 

 

 

 

 

 

VDD VDD VDD

A0

 

 

 

 

 

 

 

A1

 

 

 

 

 

 

 

A2

 

 

 

 

 

 

 

A3

 

 

 

 

 

 

 

A4

 

 

 

 

 

 

 

A5

 

 

 

 

 

 

 

A6

 

 

 

 

 

 

 

A7

 

 

 

 

 

 

 

A8

 

 

 

 

 

 

 

A9

 

 

 

 

 

 

 

A10

 

 

 

 

 

 

 

A11

 

 

 

SDR

A12

 

 

 

 

 

 

 

 

 

 

CLK

 

 

 

 

CKE

 

 

 

 

LDQM

 

 

 

 

UDQM

 

 

 

 

394349

QVDD QVDD QVDD QVDD D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 AM 16Mx16 D12 D13 D14 D15

2DRAM_D16

4DRAM_D17

5DRAM_D18

7DRAM_D19

8DRAM_D20

10DRAM_D21

11DRAM_D22

13DRAM_D23

42DRAM_D24

44DRAM_D25

45DRAM_D26

47DRAM_D27

48DRAM_D28

50DRAM_D29

51DRAM_D30

53DRAM_D31

DRAM0_CAS_n

17

DRAM0_RAS_

 

n

18

DRAM0_CS_n

 

19

DRAM0_BA0

 

20

DRAM0_BA1

 

21

nW E

 

 

 

 

 

 

 

 

 

nCAS

 

 

 

 

 

 

 

 

 

nRAS

 

 

 

 

 

 

 

 

 

nCS

 

 

 

 

 

 

 

 

 

BA0

 

 

 

 

 

 

 

 

 

BA1

QVSS QVSS QVSS QVSS

VSS VSS VSS

28

 

41

 

54

 

 

6

 

12

 

46

 

52

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DRAM1_CAS_n

17

DRAM1_RAS_

 

n

18

DRAM1_CS_n

19

DRAM1_BA0

 

20

DRAM1_BA1

 

21

nW E

 

 

 

 

 

 

 

 

nCAS

 

 

 

 

 

 

 

 

nRAS

 

 

 

 

 

 

 

 

nCS

 

 

 

 

 

 

 

 

BA0

 

 

 

 

 

 

 

 

BA1

QVSS QVSS QVSS QVSS

VSS VSS VSS

28

 

41

 

54

 

 

6

 

12

 

46

 

52

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDRAM0

DR_VCC33

 

 

DR_VCC33

R1

4.7K

DRAM0_WE_n

R7

 

 

 

R2

4.7K

DRAM0_CAS_n

R8

 

 

 

R3

4.7K

DRAM0_RAS_n

R9

 

 

 

R4

4.7K

DRAM0_CS_n

R10

 

 

 

R5

4.7K

DRAM0_CKE

R11

 

 

 

 

 

SDRAM1

4.7K

DRAM1_WE_n

 

 

 

 

4.7K

DRAM1_CAS_n

 

 

 

 

4.7K

DRAM1_RAS_n

 

 

 

 

4.7K

DRAM1_CS_n

 

 

 

 

4.7K

DRAM1_CKE

 

 

 

 

Figure 5.22. SDRAM schematic.

58

Image 61
Contents Copyright 2007 Terasic Technologies Contents Appendix DE2-70 Package Package ContentsFeet for the DE2-70 board DE2-70 Board AssemblyGetting Help Layout and Components Altera DE2-70 BoardBlock Diagram of the DE2-70 Board Cyclone II 2C70 Fpga Ssram Audio Codec Serial ports Power-up the DE2-70 BoardLCD display shows Welcome to the Altera DE2-70 DE2-70 Control Panel Control Panel SetupPage Controlling the LEDs, 7-Segment Displays and LCD Display Controlling 7-SEG display Switches and Buttons SDRAM/SSRAM/Flash Controller and Programmer Page USB Monitoring Press Load Memory Content to a File buttonUSB Mouse Monitoring Tool PS2 DeviceSD Card Audio Playing and Recording 10. Reading the SD card Identification and SpecificationPage Overall Structure of the DE2-70 Control Panel 13. The block diagram of the DE2-70 control panel DE2-70 Video Utility Video Utility SetupDE2-70 Video Utility window VGA DisplayDisplaying selected image file on VGA Monitor Video CaptureVideo Capturing Tool Overall Structure of the DE2-70 Video UtilityVideo Capture Block Diagram Configuring the Cyclone II Fpga Using the DE2-70 BoardFpga Switch debouncing Using the LEDs and SwitchesSchematic diagram of the pushbutton and toggle switches Schematic diagram of the LEDs Pin assignments for the toggle switches Schematic diagram of the 7-segment displays Using the 7-segment DisplaysPINAD10 Clock Circuitry Block diagram of the clock distribution Lcdon Using the LCD ModuleUsing the Expansion Header JP1 PIND29 Pin assignments for the expansion headers Rset Using VGA13. VGA horizontal timing specification 11. ADV7123 pin assignments I2C Address Read is 0x34 I2C Address Write is Using the 24-bit Audio Codec10 PS/2 Serial Port RS-232 Serial PortFast Ethernet Network Controller PS/2 schematic17. Fast Ethernet schematic TV Decoder 18. TV Decoder schematic Bit VGA DAC Implementing a TV EncoderOTGD15 OTGD14 OTGD13 OTGD12 OTGD11 OTGD10 Using USB Host and DeviceUsing IrDA IrDA schematic Using SDRAM/SRAM/Flash22. Sdram schematic 23. Ssram schematic PINAA4 DRAM0CKE PINAA8 19. Sdram pin assignments SRAMDQ8 PINAK17 20. Ssram pin assignments 21. Flash pin assignments Examples of Advanced Demonstrations DE2-70 Factory ConfigurationTV Box Demonstration Block diagram of the TV box demonstration TV Box Picture in Picture PIP Demonstration Setup for the TV box demonstrationBit stream used DE270TVPIP.sof or DE270TVPIP.pof Setup for the TV box PIP demonstration USB Paintbrush Block diagram of the USB paintbrush demonstration USB Device Setup for the USB paintbrush demonstrationBlock diagram of the USB device demonstration Karaoke Machine Setup for the USB device demonstrationBit stream used DE2-70i2sound.sof or DE2-70i2sound.pof Ethernet Packet Sending/Receiving 10. The setup for the Karaoke Machine11. Packet sending and receiving using the Nios II processor SD Card Music Player 12. The setup for the Ethernet demonstration13. Block diagram of the SD music player demonstration Demonstration Setup, File Locations, and Instructions Music Synthesizer Demonstration 16 illustrates the setup for this demonstration17 illustrates the setup for this demonstration Usage of the switches, pushbuttons KEYs PS/2 Keyboard 16. The Setup of the Music Synthesizer Demonstration Nios II IDE Audio Recording and PlayingSopc Toggle switch setting for audio recorder and player Copyright Statement Revision History