The SC6600V is a chip solution that integrates a CMMB demodulator and audio and video decoder to support two system platform integrations: one is a stand-alone handheld TV terminal system that does not require an external master device, and the other is an external master. The handheld TV terminal system of the control device is mainly applied to mobile devices, personal media players and other portable electronic design products. It not only fully supports the signal transmission and multiplexing specifications of the CMMB standard, but also supports H.26? (baseline profile level 2, CIF 30fps) and AVS (reference profile level 2, CIF 30fps) video decoding functions and various popular audio decoding. Standards (such as MPEG audio layer 1/2, MP3, AAC LC, AAC + (LP), DRA, etc.).
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The main components of the SC6600V chip include a high-performance microprocessor, a CMMB demodulator, an AV decoder (supporting H.264? and AVS standards), a power management unit, and some common external interfaces (including external Storage controller and display controller, etc.). The SC6600V also provides an interface to an external tuner that can be paired with the mainstream CMMB RF Coordinator.
The SC6600V supports two system platform integration methods: one is a stand-alone handheld TV terminal system that does not require an external master device, and the other is a handheld TV terminal system that works with an external master device, such as a GSM/GPRS chip for Spreadtrum Communications. Series SC6600R, SC6600H, SC6800D mobile TV platform. These external master chips are designed to communicate with the SC6600V via LCM, SPI, and I2S interfaces. The external processor only performs a small amount of control and processing response to the SC6600V. This design will ensure flexible integration with various RF front-end and back-end application processors. At the same time, the SC6600V also supports an independent single-chip system platform (no external processor required). At this time, the SC6600V is booted from an external E2PROM or T-Flash card.
Figure: (a) System function block diagram using the main control chip; (b) System function block diagram using independent solution
In order to shorten the design time of customers and enhance their product development capabilities, SC6600V will provide a complete set of drivers and common interface to provide fast and effective customer software design.
The main function of SC6600V
Support CMMB mobile TV standard; support H.26? and AVS video decoder; support audio standards: MPEG audio layer 1/2, MP3, AAC LC, AAC + (LP), DRA decoder; support RGB and MCU LCD interface, mainstream CMMB RF device interface; support external tuner; support 16-bit SDR/DDR memory device; integrated power management module; chip core voltage 1.8V; I/O interface voltage 1.8×3.3V.
Performance advantages of the SC6600V
Supports high-performance, low-cost, mobile TV design that meets CMMB mobile digital TV standards; integrates high-performance CMMB demodulator and audio and video decoders; unique platform design supports stand-alone or handheld TV terminals with external master chips The system, such as the mobile TV platform of the GSM/GPRS chip series SC6600R, SC6600H, SC6800D with Spreadtrum Communications; the highly integrated single-chip design (including integrated power management module on the chip) reduces the cost.
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