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KC705 Evaluation Board
UG810 (v1.3) May 10, 2013
Chapter 1:
KC705 Evaluation Board Features
The KC705 board base board uses a male Samtec MTLW-107-07-G-D-265 2x7 header (J31)
with 0.025-inch square posts on 0.100-inch centers for connecting to a Samtec
SLW-107-01-L-D female socket on the LCD display panel assembly. The LCD header
shown in
.
X-Ref Target - Figure 1-21
Figure 1-21:
LCD Interface Circuit
UG810_c1_20_121211
LCD Contrast
Potentiometer
LCD_RW
LCD_DB4
LCD_DB6
LCD_RS
LCD_E
NC
NC
LCD_DB5
LCD_DB7
9
8
7
6
5
4
3
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
U10
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
J31
GND
VCC5V0
R92
6.81k
Ω
R133
2 k
Ω
NC
NC
VCC5V0
C24
0.1
μ
F 25V
X5R
GND
VCC5V0
C23
0.1
μ
F 25V
X5R
GND
GND
X-Ref Target - Figure 1-22
Figure 1-22:
LCD Header Details
UG810_c1_21_060711
LCD Display Assembly
KC705 PWA
10 mm
Low Profile Socket
Samtec SLW-107-01-L-D
Low Profile Terminal
Samtec MTLW-107-07-G-D-265