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Chapter 2: ML410 Embedded Development Platform
DBG_LED_0
DBG_LED_1
DBG_LED_2
DBG_LED_3
DBG_LED_4
DBG_LED_5
DBG_LED_6
DBG_LED_7
OPB_BUS_ERROR
PLB_BUS_ERROR
FPGA_DONE
FPGA_INIT
FPGA_LCD_RS
FPGA_LCD_E
FPGA_LCD_RW
FPGA_LCD_DIR
48
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Figure 2-13
shows the connectivity of the ML410 LEDs and LCD.
VCC3V3
Non-Inverting Buffer (U36)
20
VCCA
1
1OE
2
1A1
1Y1
4
1A2
1Y2
6
1A3
1Y3
8
1A4
1Y4
19
2OE
11
2A1
2Y1
13
2A2
2Y2
15
2A3
2Y3
17
2A4
2Y4
GND
SN74LVC244A
VCC3V3
Non-Inverting Buffer (U33)
20
VCCA
1
1OE
2
1A1
1Y1
4
1A2
1Y2
6
1A3
1Y3
8
1A4
1Y4
19
2OE
11
2A1
2Y1
13
2A2
2Y2
15
2A3
2Y3
17
2A4
2Y4
GND
SN74LVC244A
R388
R373
0
4.75K
VCC2V5
Voltage Level
Translator (U35)
1
24
VCCA
VCCB
2
23
DIR
NC
3
22
A1
OE
FPGA_LCD_DB0
4
21
A2
B1
FPGA_LCD_DB1
5
20
A3
B2
FPGA_LCD_DB2
6
19
A4
B3
FPGA_LCD_DB3
7
18
A5
B4
FPGA_LCD_DB4
8
17
A6
B5
FPGA_LCD_DB5
9
16
A7
B6
FPGA_LCD_DB6
10
15
A8
B7
FPGA_LCD_DB7
11
14
GND1
B8
12
13
GND2
GND3
SN74LVCC3245A
Figure 2-13: LEDs and LCD Connectivity
18
16
14
12
Output to Green LEDs
9
7
5
3
10
Output to Red/Green LEDs
18
LED_OPB_ERROR
16
LED_PLB_ERROR
14
LED_DONE
12
LED_INIT
9
LCD_RS
7
LCD_E
LCD Control
5
LCD_RW
3
LED_DONE_BUF
10
VCC3V3
NC
LCD Data
LCD_DB0
LCD_DB1
LCD_DB2
LCD_DB3
LCD_DB4
LCD_DB5
LCD_DB6
LCD_DB7
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LCD
J13
1
2
GND
3
4
LCD_VLC
5
6
LCD_RW
7
8
LCD_DB0
9
10
LCD_DB2
11
12
LCD_DB4
13
14
LCD_DB6
15
16
LCD_BLV
ML410 Embedded Development Platform
UG085 (v1.7.2) December 11, 2008
R
VCC5V
LCD_RS
LCD_E
LCD_DB1
LCD_DB3
LCD_DB5
LCD_DB7
GND
UG085_13_111505
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