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Description

The QAMi5516 is an integrated demodulator/decoder solution for digital cable receivers for compressed video, sound and data services. A QAM demodulator performs IF to MPEG-2 block processing of QAM carriers. The demodulated stream is then processed by video and audio decoders using standard Omega technology.

Features

■ Decodes ITU-T J.83-Annexes A/B/C and DVBC bitstreams

■ Integrated high performance ADC

■ Support for 4-, 16-, 32-, 64-, 128-, 256-point constellation variable symbol

■ Rate from 0.87 MBaud to 11.7 MBaud

■ Robust integrated adaptative equalizer

■ I2C serial bus and I2C repeater

■ Lock time <100ms

■ 180 MHz 32-bit ST20 CPU

● 8 Kbytes internal SRAM, 8 Kbytes of I-cache and 8 Kbytes of D-cache

■ Integrated transport demultiplexer

● DES, DVB and ICAM descramblers

● Support for more than 48 PID slots

■ MPEG-2 MP@ML video decoder

● Fully programmable horizontal and vertical SRCs

■ Audio features

● MPEG-1 layers I/II decoding (MP3 option)

● Dolby? Digital 5.1 down-mixed to 2 channels

● Dolby? Pro Logic compatible

● SRS? TruSurround? virtual surround sound

● PCM audio input

● Integrated audio DACs

■ Graphics/display

● 5 display planes (background, video, still, OSD and cursor)

● 2, 4 and 8bpp CLUT graphics

■ PAL/NTSC/SECAM video encoder

● RGB, CVBS, Y/C and YUV outputs with 10-bit DACs

● Encoding of CGMS, teletext, WSS, VPS, closed caption

● Macrovision 7.01 copy protection

■ Interfaces

● CableCard and dual DVB common interface

● 5 ASCs (UARTs) with Tx and Rx FIFOs

● 6 x 8-bit banks of parallel I/O

● 2 smartcard interfaces and clock generators

● 4 PWM channels

● Multichannel IR transmitter/receiver

● Low power/RTC/watchdog controller

■ Module features

● Low power consumption (~1500 mW)

● Package: 27 x 27 mm 416 PBGA, 1 mm pitch