STx5188 Low-cost free-to-air satellite set-top box decoder Data Brief Feature summary ■ Enhanced ST20 32-bit VL-RISC CPU – 200 MHz, single cycle cache, 4-Kbyte instruction cache, 4-Kbyte data cache, 2-Kbyte SRAM ■ Unified memory interface – Up to 166 MHz, 16-bit wide SDRAM interface ■ Serial flash interface – Serial flash support (SPI/SSC) ■ Embedded DVB-S QPSK demodulator – Fast channel acquisition – Compatible with direct conversion tuners – Digital carrier and timing recovery loops – Up to 60 Msps operation – Automatic spectral inversion ambiguity resolution – Digital cancellation of ADC offset – Digital nyquist root filter ■ External transport stream input – Support for DVB transport streams ■ MPEG-2 MP at ML video decoder – Fully programmable horizontal and vertical SRCs ■ ■ Audio subsystem – MPEG-1 layers I/II – Direct voltage, single ended, stereo audio DAC ■ Central DMA controller ■ On-chip peripherals – One ASC (UART) with Tx and Rx FIFOs – Three 8-bit banks of parallel I/O and one 7bit bank – Two SSCs for I²C/SPI master/slave interfaces – Infrared transmitter/receiver – Integrated VCXO – Low-power RTC watchdog controller ■ JTAG/TAP interface ■ Package TQFP176 20 mm x 20 mm. Order codes Part number STx5188 Package TQFP176 Description Leader in the low-cost FTA satellite market, STMicroelectronics introduces its latest, low-cost highly integrated solution for the retail market. PAL/NTSC/SECAM encoder – RGB, CVBS, Y/C and YUV outputs with four 10-bit DAC outputs. RGB/CVBS or YUV/CVBS or YC/CVBS – Encoding of CGMS, Teletext, WSS, VPS and closed caption Offering a direct migration path from the STx5118/STV0288 platform, The STx5188 uses the same set of IPs, thereby facilitating the porting from previous generations. It is based on the STinterconnect architecture and the popular ST20 CPU running at 200 MHz, and comes with a serial flash interface. The embedded QPSK demodulator guarantees fast satellite scan times thanks to the blind scan algorithm and a direct connection to zero-IF tuners. Graphics/display – Blitter-based display compositor – 8 bpp CLUT graphics, 256 x 30-bit (AYCbCr) CLUT entries or 16-bit true color graphics, RGB565 and ARGB1555 formats. Link-list control – 2-D paced blitter engine with fill function – Multiple channel presentation March 2006 ■ Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 STx5188 Description (continued) The STx5188 also includes audio DACs capable of direct connection to the TV input and the capability to operate from the same clock as the STB6000. These cost reductions have been made without compromising ST quality standards and performance: 2-D graphics engine, faster CPU and built-in flexible DMA have been integrated. STx5188 application diagram 2/4 STx5188 Revision history Revision history Table 1. Document revision history Date Revision 10-Mar-2006 1 Description of changes First release. 3/4 STx5188 Please Read Carefully: Information in this document is provided solely in connection with ST products. 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