ATBM8831 Overview
Description
Compliant to GB20600-2006, China Digital Terrestrial Broadcasting Standard - Supporting demodulation of single-carrier and multi-carrier modes - Supporting high IF, low IF and I/Q input, compatible with CAN tuners and silicon tuners - TS output in parallel or serial format - Pin compatible with other AltoBeam LQFP/BGA demodulator chips Advantages - High performance in both multi-carrier and single-carrier modes - Rapid PLL lock and channel changing - Outstanding multipath and pre-echo performance in SFN environment - Very low power consumption - Very simple software driver, easy to integrate Applications - iDTV, set-top-box, car receiver - PCTV card and USB TV dongle - Portable or handled TV receiver - DTV testing or experiment equipment AGC Tuner ATBM8830/ATBM8831 DTMB Demodulator IF to baseband Timing recovery Frequency recovery SDRAM* FEC decoding Time de-interleaver Channel estimaion ADC PLL Crystal Transport Stream (MPEG2, MPEG4, H.264 or AVS) Descrambler Equalization SDRAM* - - - - - - - - 130nm CMOS process On chip 10-bit ADC On chip PLL, supporting external crystal at the frequency range of 28~32MHz On chip 64Mbit SDRAM (ATBM8831 only) Full I2C bus support. Isolate tuner from the I2C bus to avoid interference.
