data brief for further information contact your local stmicroelectronics sales office. rev 1 october 2005 1/5 5 sta450a xmradio ? sdars service layer & source decoder features: functions xmradio service layer demultiplexing channel auxiliary data management conditional access control service components extraction service components decryption high quality audio decoding with data rate from 24kbps to 96kbps high quality speech decoding with data rate from 4kbps to 16kbps 44.1 and 32khz sampling frequencies supported synchronization error detection with sw indicators peripherals high speed serial input interface (pcbitstream interface) fully programmable serial pcm output interface iec958 output (s/pdif) data output port interface conditional access processor interface (i 2 c master). rs232 rx & tx interfaces embedded system pll embedded audio pll low power technology 1.8v 0.18 m technology 3.3v capable i/os control i 2 c slave control device address: 1011100 order codes tqfp80 part number op. temp. range, c package packing sta450a -40 to +85 tqfp80 tube STA450A13TR -40 to +85 tqfp80 tape & reel www.st.com obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
1 description sta450a 2/5 1 description the sta450a is designed for digital radio receivers compatible with the xmradio sdars system and integrates all the functions needed to perform the service layer and source decoding: ? bitstream synchronization ? service layer (sl) demultiplexing ? auxiliary data management ? conditional access (ca) control ? service components extraction ? service components decryption ? audio and voice decoding the extracted audio and data are made available through different interfaces: ? i2s audio output ?s/pdif output ? data output port figure 1. service layer and source decoder block diagram input buffer output buffer audio port output interface (pcm i/f) spdiff output service layer demux decryption audio decoder dsp based rs232 i2c master (cap i/f) i2c slave (syscon i/f) gpio interface external interrupt lrckt oclk sckt sdo i958_out rs232_tx rs232_rx scl_m sda_m scl sda pc bitstream input interface (ussio 0) pcdc pcsd data port output interface (ussio 3) dp_en dp_clk dp_data 1 line nu event_irq cap_rst sys pll audio pll system & audio clocks reset_n clk_in clk_out filt_0 pcfs 7 lines nu pll_sync int1 int2 test obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
sta450a 2 package information 3/5 2 package information figure 2. tqfp80 mechanical data & package dimensions dim. mm inch min. typ. max. min. typ. max. a 1.60 0.063 a1 0.05 0.15 0.002 0.006 a2 1.35 1.40 1.45 0.053 0.055 0.057 b 0.22 0.32 0.38 0.009 0.013 0.015 c 0.09 0.20 0.003 0.008 d 16.00 0.630 d1 14.00 0.551 d3 12.35 0.295 e 0.65 0.0256 e 16.00 0.630 e1 14.00 0.551 e3 12.35 0.486 l 0.45 0.60 0.75 0.018 0.024 0.030 l1 1.00 0.0393 k3.5 (min.), 7 (max.) tqfp80 (14x14x1.40mm) a a2 a1 seating plane c 20 21 40 41 60 61 80 e3 d3 e1 e d1 d e 1 b tqfp80l 0.10mm .004 pin 1 identification k l l1 0.25mm gage plane outline and mechanical data obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
3 revision history sta450a 4/5 3 revision history date revision changes 10-oct-2005 1 initial release. obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
sta450a 5/5 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the co nsequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publicati on are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics prod ucts are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectro nics. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners ? 2005 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
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