F20 datasheet(86/111 Pages) ETC2

86 / 111 page

Boxchip F20 Datasheet

Ver 1.01

Page 86

26.

Transport Stream Controller

26.1.

Transport Stream Controller (TSC) Overview

The ITU-T Rec. H.222.0 | ISO/IEC Transport Stream coding layer all owns one or more

programs to be combined into a single stream. The DVB demodulator can output transport

stream by SPI (Synchronous Parallel Interface) or SSI (Synchronous Serial Interface). The

TSC can receive one SPI or one SSI transport stream with software configurable packet

format. Since there are one or more programs and there are more elementary streams within

a program. By their PID, the TSC can filter out the unused streams and put the streams into

the specified memory space. The 16-channel filter can be support by the TSC.

Since there are some Transport Stream files stored in solid storage media, such as NAND

Flash, HDD, SD/MMC card, Memory Stick Card, UDISK. The MPEG Transport Stream can

be received from network, such as WLAN, Ethernet LAN. The TSC can read these transport

streams from DRAM and generate internal SPI transport stream. The TSC can select the

internal SPI transport stream by TS switch. The selected streams are feed into PID filter. The

filtered streams are stored into external DRAM memory.

TSC – TS Controller

TSF – TS Filter

TSD – TS Descrambler

TSG – TS Generator

The Transport Stream Controller (TSC) includes the following features:



One external Synchronous Parallel Interface (SPI) or one external Synchronous Serial

Interface (SSI)



32 channels PID filter



Multiple transport stream packet (188, 192, 204) format support



SPI and SSI timing parameters are configurable



Hardware packet synchronous byte error detecting



Hardware PCR packet detecting



Configurable SPI transport stream generator for streams in DRAM memory



DMA is supported for transferring data



Interrupt is supported



Support DVB-CSA V1.1 Descrambler

26.2.

Transport Stream Signal Description

Table 26-1. Transport Stream Signal Description

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