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Figure 2-8, Board hardware, Figure 2-8: leds and lcd connectivity – Xilinx ML310 User Manual

Page 31

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ML310 User Guide

www.xilinx.com

31

UG068 (v1.01) August 25, 2004

1-800-255-7778

Board Hardware

R

Figure 2-8:

LEDs and LCD Connectivity

VCC3V3

SN74LVC244A

2Y1

2OE

2A2

2A3

2A4

2Y4

2Y3

2Y2

2A1

1Y1

VCCA

1OE

1A2

1A3

1A4

GND

1Y4

1Y3

1Y2

1A1

BUFFER

NON-INVERTING

LCD_RS
LCD_E
LCD_RW
LED_DONE_BUF

9

19

13
15
17

3

5

7

11

18

20

1

4
6
8

10

12

14

16

2

U33

LED_DONE

LED_PLB_ERROR

LED_OPB_ERROR

FPGA_LCD_RS

FPGA_DONE

OPB_BUS_ERROR

PLB_BUS_ERROR

4.75K

R358

FPGA_INIT

FPGA_LCD_RW

FPGA_LCD_E

LED_INIT

VCC2V5

VCC3V3

SN74LVCC3245A

GND3

GND2

GND1

A8

A7

A6

A5

A4

A3

A2

A1

DIR

VCCA

B8

B7

B6

B5

B4

B3

B2

B1

OE

NC

VCCB

VOLTAGE LEVEL

TRANSLATOR

FPGA_LCD_DIR

NC

R373

4.75K

R388

0

13

12

11

10

9

8

7

6

5

4

3

2

1

14

15

16

17

18

19

20

21

22

23

24

U35

LCD_DB7

LCD_DB6

LCD_DB5

LCD_DB4

LCD_DB3

LCD_DB2

LCD_DB1

LCD_DB0

FPGA_LCD_DB0

FPGA_LCD_DB4

FPGA_LCD_DB5

FPGA_LCD_DB6

FPGA_LCD_DB3

FPGA_LCD_DB2

FPGA_LCD_DB1

FPGA_LCD_DB7

VCC5V

15

13

12

11

9

7

1

2

3

5

6

4

8

10

14

16

J13

LCD_BLV

LCD_VLC

LCD_DB3

LCD_DB1

LCD_DB2

LCD_DB0

LCD_RW

GND

LCD_DB5

LCD_DB6

LCD_RS

LCD_DB7

LCD_E

LCD_DB4

GND

VCC3V3

SN74LVC244A

2Y1

2OE

2A2

2A3

2A4

2Y4

2Y3

2Y2

2A1

1Y1

VCCA

1OE

1A2

1A3

1A4

GND

1Y4

1Y3

1Y2

1A1

BUFFER

NON-INVERTING

9

19

13
15
17

3

5

7

11

18

20

1

4
6
8

10

12

14

16

2

U36

DBG_LED_0

DBG_LED_3

DBG_LED_2

DBG_LED_1

DBG_LED_4

DBG_LED_7

DBG_LED_6

DBG_LED_5

4.75K

R399

LCD Control

Output to Red/Green LEDs

Output to Green LEDs

LCD Data

LCD