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SP305 Spartan-3 Development Platform User Guide
5
UG216 (v1.1) March 3, 2006
www.xilinx.com
Introduction
R
Block Diagram
Figure 2-1
shows a block diagram of the board.
Figure 2-1:
Spartan-3 SP-305 Development Platform Block Diagram
Rot
a
ry
Encoder
GPIO
(B
u
tton/LED/
DIP
S
witch
100 MHz XTAL
+ U
s
er
S
MA
(Differenti
a
l In/
O
u
t Clock
s
)
D
ua
l P
S
/2
IFF
Chip
s
cope
High
S
peed
De
bu
g
S
ync
RAM
U
S
B
Controller
S
p
a
rt
a
n-
3
FPGA
I/O Exp
a
n
s
ion
He
a
der
IIC EEPROM
5V Brick
3
A
Pl
a
tform
Fl
as
h
Fl
as
h
Fl
as
h
S
EL MAP
S
LV
S
ERIAL
JT
A
G
M
S
TR
S
ERIAL
16 x
3
2
Ch
a
r
a
cter LCD
C
a
n
Controller
S
PI
AC97
A
u
dio CODEC
Line O
u
t/He
a
dphone
Video
Mic In/Line in
R
S
-2
3
2 XCVR
VGA
Ho
s
t
Peripher
a
l
Peripher
a
l
S
eri
a
l
10/100/1000
Enet Phy
10/100
Enet Phy
DDR
S
DRAM
DDR
S
DRAM
3
2
16
RJ-45
PC
RJ-45
U
s
er IIC
B
us
JT
A
G
JT
A
G
3
2
5V to U
S
B
a
nd P
S
/2
TP
S
54
3
10
3
A
S
WIFT
TP
S
54
3
10
6A
S
WIFT
TP
S
54
3
10
3
A
S
WIFT
TP
S
54
3
10
150mA LDO
12 V
5V
To FPGA Core
1.8 V
To PROM
TP
S
51100
3
A DDR LDO
1.25 V
To VTT
3
.
3
V
To FPGA I/O Digit
a
l
Su
pply
2.5 V to DDR
S
DRAM
u
g216_01_101105