描述 Description

The PNX1500 Media Processor Series is a complete Audio/Video/Graphics system on a chip that contains a high-performance 32-bit VLIW processor, TriMedia? TM3260, capable of high quality software video (multi-video standard digital decoder/ encoder and image improvement), audio signal processing, as well as general purpose control processing. It can either be used in standalone, or as an accelerator to a general purpose processor. The PNX1500 processes the input signals by utilizing several Audio/Video and co-processor modules before send them to the external peripherals. These modules provide additional video and data processing bandwidth without taking away precious CPU cycles. The combination of the CPU and co-processor modules makes the PNX1500 System On-Chip (SoC) suitable for most applications, especially those requiring high level of processing power/ throughput at a reduced cost.

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特性 Features

32-bit, up to 300 MHz 5-issue VLIW CPU with 128 32-bit registers and an extensive set of video and audio media instructions.

Allows V2F power management to control frequency and power consumption based on application requirement.

High quality hardware image scaler and advanced de-interlacer, augmented with media processing software to do motion compensated de-interlacing.

2D Drawing Engine capable of 3 operand BitBlt (all 256 raster operations), line drawing, and host font expansion.

8- or 10-bit Video capture supporting horizontal downscaling scaling up to 40.5 Mpixel/s or on the fly color space conversion.

2-layer compositing video output, with integrated scaling and video improvement processing, supporting W-XGA TFTs, 1280 x 768 60 Hz, HD video, up to 1920 x 1080 60 I, or up to 81 Mpix/s.

Data Streaming and Message Passing ports with up to 400 MB/s bandwidth capability.

Variable Length Decoder assist engine.

Integrated DVD descrambler for DVD playback functionality.

Octal digital audio in plus S/PDIF (Dolby DigitalTM) input.

Octal channel digital audio output plus S/PDIF (Dolby DigitalTM) output.

Integrated controller for unified DDR SDRAM memory system of 16 - 256 MB using 32-bit wide data at up to 400 MHz data rate, i.e. up to 1.6 GB/s. Configurable to a 16-bit wide DDR SDRAM interface.

32-bit, 33 MHz PCI 2.2 interface with integrated PCI bus arbiter up to 4 masters.

Glueless NOR and NAND 8- or 16-bit Flash interface.

4 timers/counters, capable of counting internal and external events.

16 dedicated General Purpose I/O pins, suitable as software I/O pins, external interrupt pins, universal Remote Control Blaster, clock source/gate for system event timers/counters and emulating high-speed serial protocols.

Additional multiplexed General Purpose I/O pins.

On-chip MPEG?-1 and MPEG-2 VLD to facilitate transrating, transcoding and software SD MPEG decoding.

Integrated low-speed, DVD drive capable, IDE controller (shares PCI pins, requires 2 external buffers to isolate, up to ATAPI/PIO-4).

All video/audio timing derived from a single low-cost external crystal (no VCXOs required).

10/100 RMII and MII IEEE 802.3 PHY interface.