cas-220 Zoran, cas-220 Datasheet
cas-220
Manufacturer Part Number
cas-220
Description
Demodulator
Manufacturer
Zoran
Datasheet
1.CAS-220.pdf
(2 pages)
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Cascade2
DTV Demodulator IC
Product Brief
Description
System Block Diagram
The Cascade2 is a multistandard demodulator and decoder for
terrestrial and cable TV reception. It is designed to support 8/16-VSB
in compliance with the ATSC Digital Television Standard as well as
OpenCable ITU-T J.83B in compliant 256/64 QAM and OOB QPSK
modes for Digital Cable Ready downstream reception.
The Cascade2 is designed to reduce system costs by integrating the
FAT channel demodulation of VSB, J.83 Annex B QAM and Audio
decoding (for analog channels) and the FDC QPSK channel
demodulation.
11/05 IN
Cascade2 front end system solution without OOB
Tuner
CAS-220
CAS-220/C
CAS-220/S
CAS-220/CS
CAS-220/CO
CAS-220/CSO
Cascade2 P/N
demod
NTSC
44MHz
™
IF
FAT AGC
FDC AGC
FDC IF In
SIF Input
Tuner IIC
FDC LO
IF Input
CLK0
and IF AGC
SAW filter
2nd IF Sound (4.5 MHz)
VSB
VSB, QAM
VSB, BTSC
VSB, QAM, BTSC
VSB, QAM, OOB
VSB, QAM, BTSC,OOB
Zoran Corporation
1390 Kifer Road
Sunnyvale, CA 94086-5305
Decscription
BPF
LPF
Osc
LO
Tuner I2C
IF AGC PWM
25MHz
Mux
Main
Cascade2
ADC
ADC
PLL
Switch
AGC
AGC
ADC
Internal
Clocks
Audio
10-bit
10-bit
ADC
ADC
Data
Decoder
Sound
ATSC
DVD
•
•
•
•
•
•
MPEG 2TS
I2S
Host I2C
SIF (Option)
FM IF (Option)
CVBS
Programmable Digital Filters
Annex B
QAM
Demodulator
FDC QPSK
•
•
•
•
DSP Blocks
and other
Digital Camera
Te l
Fax
www.zoran.com
The small, high-performance Cascade2 is well suited for any system
designed to receive off-air and cable digital TV transmissions. This
includes stand-alone SDTV or HDTV sets, Set-Top Boxes, PC-TV
cards and data reception appliances.
The Cascade2 family ICs are produced in several combinations of
reception standards:
DSP
FAT - Forward App Transport
Cable
In/Out
408.523.6500
408.523.6501
OOB
FDC
Cascade2 front end system solution with OOB
•
•
54-860MHz
LNA
MPEG2 Mux and
Audio
BTSC
US
FEC
Serializer
•
•
•
Spliter
70-130
BPF
MHz
Firmware
Digital TV
RAM
Antenna
Driving the Digital Lifestyle
Driving the Digital Lifestyle
Korea
Audio
A2FM
Tuner
•
•
•
44MHz
Mixer
IF
OOB tuner
BPF
General Purpose I/O Pins
IIS Output
Parallel MPEG2 TS In
Serial MPEG2 Transport
FDC data Out
Parallel MPEG2 TS Out
Host IIC
Radio
Tuner I2C
BTSC 4.5 MHz
Imaging
FM
•
•
•
SAW
VSB
FDC IF Input
Oscillator
Local
25MHz
Antenna
Smart
FAT IF
Input
•
•
•
•
•
•
Cascade2
CVBS
IP Core
CAS-220
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cas-220 Summary of contents
Page 1
... Cascade2 P/N Decscription CAS-220 VSB CAS-220/C VSB, QAM CAS-220/S VSB, BTSC CAS-220/CS VSB, QAM, BTSC CAS-220/CO VSB, QAM, OOB CAS-220/CSO VSB, QAM, BTSC,OOB System Block Diagram IF Input Mux SIF Input FAT AGC CLK0 Osc FDC LO LO FDC AGC FDC IF In Tuner IIC ...
Page 2
... Standard 14x14 mm 100pin LQFP package Israel Japan Korea Zoran Microelectronics Ltd. Zoran Japan Office Zoran Korea Office +972-4-8545-777 +81-3-5475-1051 Tel: +82-2-761-7471 Fax: +972-4-8551-550 Fax: +81-3-5475-1053 Fax: +82-2-761-7472 Taiwan Zoran Taiwan Office +886-2-2659-9797 Fax: +886-2-2659-9595 CAS-220 ...