技术特性

• Enhanced ST20 32-bit VL-RISC CPU
• Unified memory interface
  • up to 133 MHz, 16-bit wide SDR SDRAM,
  • up to 166 MHz, 16-bit wide DDR SDRAM
• Programmable Flash memory interface
• Demodulator compatible with I and Q or IF inputs for tuner interface
• Channel management
• Digital carrier, timing & symbol recovery loops
• Decoding
  • QPSK - 16 QAM - 64 QAM constellations
• MPEG-2 MP@ML video decoder
• Graphics and display
  • 3 display planes
  • 2D paced blitter engine with fill function
• Programmable transport interface (PTI)
  • single transport stream input for DVB
• Central DMA controller
• PAL/NTSC/SECAM encoder
  • RGB, CVBS, Y/C and YUV outputs with four 10-bit DAC outputs.
• Audio subsystem
  • simultaneous MPEG audio decode and output of Dolby streams on S/PDIF
  • IEC958/IEC1937 digital audio output interface
  • integrated stereo audio DAC
• On-chip peripherals
  • ASC (UART) with Tx and Rx FIFOs
  • 3 banks of 8-bit programmable I/O
  • integrated VCXO
• JTAG/TAP interface
• Package
  • 15 mm x 15mm PBGA240 0.8 mm pitch

功能框图