Altera ALTDLL - Manual (Page 93)

4
–57
Ch
apt
er
4:
F
u
n
c
tiona
l
De
sc
rip
tio
n
De
sign Ex
ample: Implem
enting Ha
lf-
R
ate
DDR
2
Inter
face in
Stra
tix
III
AL
TD
LL
an
d
AL
TD
Q_
DQ
S M
eg
afun
cti
on
s
User
Guide
©
February 2012
Al
tera Cor
por
atio
n
Figure 4–24 shows a block diagram of the design example, which consists of six blocks.
Figure 4–24. Block Diagram of Design Example