ML365 Virtex-II Pro QDR II SRAM Mem. Board
www.xilinx.com
97
UG066 (v1.0) June 29, 2004
1-800-255-7778
Schematics
R
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
LCD
_
D
A
TA
0
LCD
_
D
A
TA
1
LCD
_
D
A
TA
2
LCD
_
D
A
TA
3
LCD
_
D
A
TA
4
LCD
_
D
A
TA
5
LCD
_
D
A
TA
6
LCD_
R
S
L
C
D_R_W
#
LCD_DB
[7:
0]
LCD_DB0
LCD_DB1
LCD_DB2
LCD_DB3
LCD_DB4
LCD_DB5
LCD_DB6
LCD
_
D
A
TA
7
LCD_DB7
LCD_E
L
C
D_RD/W
R
LCD_REGSEL
LCD_DRI
V
E
LCD_
E
N
LCD_RS
LCD_R_W#
LCD_E
LCD_DB[7:0]
+3.3
V
+5V
GND_S
IGN
A
L
+3.
3V
+5V
+3.3
V
+5V
Ti
tle
Si
z
e
Doc
u
ment Num
b
e
r
R
e
v
Da
te
:
S
heet
of
<D
o
c
>
0
ML
3
6
5
Q
D
R
I
I
SRAM Inter
fac
e
Boar
d
B
22
28
01/22/04 0
9:
07:
47
LCD CONN
ECTOR
1x16 INLI
NE .025SQ. PINS
16 char
x 2 line
Seiko L1
67100J000
This LCD requir
es two rows of 16 pins to support it physically
Place the 1X16
SIP headers 31mm apart per the LCD spec sheet
LCD
this divider should give appr
ox. 0.1V at junction
LVCMOS25
+
5V TTL
+2
.5V
2.3v to
3.6V
s
upply
U3
MC74LCX541DT
/OE1
1
/OE2
19
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
GND
10
VCC3.3
20
O7
11
O6
12
O5
13
O4
14
O3
15
O2
16
O1
17
O0
18
U2
MC74LCX541DT
/OE1
1
/OE2
19
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
GND
10
VCC3.3
20
O7
11
O6
12
O5
13
O4
14
O3
15
O2
16
O1
17
O0
18
R34
100
P4
HEADER 16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P5
HEADER 16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R
3
5
4.7K
Product Not Recommended for New Designs