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TUNER
Cable IN
VSB Demod.
BCM3510KPF
SAW
Filter
QAM/
8VSBIF
QAM IF AMP
UPC1663
RF AGC SW
7W 66
RF-->IF
UPC3220GR
QPSK Rx
EEPROM
32KB
DDR-SDRAM
(16M*16)x2=64MB
Digital Tuner Board Assembly
27MHz
VCXO
25MHz
MPEG
TS
Transport
Processor
QAM
Demod
SystemIC
VSB AGC
BCM7115
RF(QAM) AGC
DAVIC
OOB
FEC
RX
MAC
16bit bus
LOGIC
CIMAX
CIRCUIT
PODVCC,VPP
POD VCC
CIRCUIT
PC CARD SOCKET
Cable CARD IF
TS INPUT
TS OUTPUT
TS OUTPUT
Flash ROM
(8M*16)=16MB
CPU
CS0'
EBI Bus
Bus Bridge
Gate Array
25.175
MHz
CS
swich
7402
A23
CS
select
pCS[0]
pCS[0,1,2]
UART*2(A,B)
IR OUT
UART(C)
50 pin CONNECTOR
Digital Signal IF
28
24.576MHz
IEEE1394
Mercury
TSB43CA42GGW
Video SDRAM
(8M*16)x4=64MB
64bit bus
BCM7021
Transport
Processor
MPEG/Dolby
Audio
PCIBus
Audio
DAC
Decoder
Video
Graphics
MPEG
&
Encoder
HD/SD
Scaler
Decoder
IR signal
DVO[12bit]
Digital Video
VDEC656
Gate Array
LOUT
ROUT
CVBS
LUMA
CHROMA
L
A/D
R
I2S
42MHz
3D Y/C
VDEC
CVBS_IN
DRAM
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