Xilinx VC707 User Manual

VC707 Evaluation Board www.xilinx.com 47
UG885 (v1.4) May 12, 2014
Feature Descriptions
LCD Character Display (16 x 2)
[Figure 1-2, callout 19]
A 2-line by 16-character display is provided on the VC707 board (Figure 1-19).
The character display runs at 5.0V and is connected to the FPGA's 1.8V HP bank 15
through a TI TXS0108E 8-bit bidirectional voltage level translator (U33). Figure 1-20 shows
the LCD interface circuit.
X-Ref Target - Figure 1-19
Figure 1-19: LCD Display
UG885_c1_19_020612
LCD Display (16 x 2)
X-Ref Target - Figure 1-20
Figure 1-20: LCD Interface Circuit
UG885_c1_20_020612
LCD Contrast
Potentiometer
LCD_RW
LCD_DB4
LCD_DB6
LCD_RS
LCD_E
NC
NC
LCD_DB5
LCD_DB7
9
87
65
43
2
10
1
12
14
11
13
LCD_VEE
GND
VCCB
B1
B2
B3
B4
B6
B7
GND
A3
A8
OE
A4
A5
A7
A6
B5
A1
A2
B8
VCCA
19
20
18
17
16
14
13
11
4
9
10
5
6
8
7
15
1
3
12
2
U33
VCC1V5_FPGA
LCD_E_LS
LCD_RW_LS
LCD_DB4_LS
LCD_DB5_LS
LCD_DB6_LS
LCD_DB7_LS
LCD_RS_LS
NC
LCD_RS
LCD_DB7
LCD_DB6
LCD_DB5
LCD_DB4
LCD_RW
LCD_E
NC
TXS0108E 8-Bit
Bidirectional
Voltage Level
Translator
J23
GND
VCC5V0
R118
6.81kΩ
R232
2 kΩ
NC
NC
VCC5V0
C54
0.1μF 25V
X5R
GND
VCC5V0
C53
0.1μF 25V
X5R
GND
GND
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Xilinx VC707 Specifications

General

Brand	Xilinx
Model	VC707
Category	Motherboard
Language	English