Circuit Descriptions
7.
7.1.4
Pro:Idiom
®
Technology
This chassis is equipped with the second generation
Pro:Idiom
®
decryption device for the hospitality television
receiver market. The LGDT1128A/29 device family includes
enhanced electrostatic protection as well as adding MPEG 4
decrypting ability in the LGDT 1129 series. Pro:Idiom
®
is the
leading content protection technology in the hospitality industry
and the LGDT 1128A/29 device family makes integration of this
technology into televisions and set top boxes simple and cost
efficient. This device is mounted on the SSB.
Figure 7-2 Architecture of Pro:Idiom
7.1.5
SSB Cell Layout
Figure 7-3 SSB top view
I_17500_00
3
.ep
s
17040
8
Receiver Block Di
a
gr
a
m LGDT
112
8
A/29
S
ign
a
l De
s
cription
LGDT
112
8
A/29
Inp
u
t
s
:
D
a
t
a
[7..0]
S
t
a
rt of P
a
cket
D
a
t
a
V
a
lid
T
S
Clock
O
u
tp
u
t
s
:
D
a
t
a
[7..0]
S
t
a
rt of P
a
cket
D
a
t
a
V
a
lid
T
S
Clock
27 MHz
I
2
C[
3
..0]
Re
s
et
I
2
C
•
Control T
u
ner for RF Ch
a
nnel
S
election
T
u
ner Pro:Idiom
Decryption
AT
S
C
Demod
u
l
a
tor
MPEG
Decoder
Receiver
micro
•
Control
Sub
-Progr
a
m
s
election in
m
u
ltiplexed MPEG tr
a
n
s
port
s
tre
a
m
Con
su
mer
Remote
Control
Micro
B
us
Condition
a
l
Acce
s
Di
s
pl
a
y
PNX
8
541
S
TI7100
Pro:Idiom
HDMI
S
WITCH
DDR
S
DRAM
DDR
S
DRAM
DDR2
S
DRAM
DDR2
S
DRAM
CLA
SS
- D
S
Y
S
TEM INTERFACE
DC - DC CONVER
S
ION
I_17500_071.ep
s
07040
8