Advanced STB processor with integrated DVB-C/DVB-T/DVB-T2 demodulator

The STiH253 uses the latest process technology to provide a cost-effective, feature rich, highly integrated SoC for set-top boxes (STBs). It is targeted at the advanced decoding STB market across cable, terrestrial and IP/hybrid networks, and is suitable for operator markets (with advanced security) and retail markets worldwide.

Key Features

  • Integrated DVB-C, DVB-T and DVB-T2 demodulator and FEC
  • ST40 applications CPU with 256 Kbyte L2 cache
    • 650 MHz delivering 1200 DMIPs
  • 16-bit LMI supporting DDR3
    • Up to 667 MHz (DDR3 1333)
  • Latest generation Delta decoder with ST231 core:
    • Decoding of H.264, MPEG2, VC-1 and AVS HD or SD video streams
  • 3DTV decoding and display, compatible with HDMI 1.4b
  • Extensive connectivity:
    • Two USB 2.0 ports
    • Ethernet MII/RMII/TMII port
    • SD/eMMC card port
    • Gen II (3 Gbit/s) eSATA port
    • PCI-e port
  • Secure boot from SLC NAND Flash or Serial NOR Flash
  • Low-power process and architecture
  • Integrated low power standby controller
  • High-quality video resizing and de-interlacing
  • Targets two-layer PCBs for cost-effective zapper and STB applications
  • Integrated 10/100 Ethernet MAC and PHY
  • 2D graphics blitter
  • Advanced security
  • Package: PBGA 27 x 27 mm2


Technical Documentation

Product Specifications
Description Version Size
DB1835 DB1835: Advanced STB processor with integrated DVB-C/DVB-T/DVB-T2 demodulator 2.1 127 KB