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STN8812 bảng dữ liệu(PDF) 3 Page - STMicroelectronics |
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STN8812 bảng dữ liệu(HTML) 3 Page - STMicroelectronics |
3 / 5 page 3/5 STn8810/STn8811/STn8812 Key benefits The STn8810 brings the following key benefits to mobile manufacturers and consumers: ● Unsurpassed audio and video quality, ● Ultra-low power consumption for longer battery operation, ● Easier application development for shorter time-to-market, ● Scalability for multiple market segments and future multimedia applications. Main features The STn8810 processor platform enables compelling multimedia applications by means of its unique distributed-processing architecture. The application processor features low-power smart accelerators which handle all audio and video functions. These free the main CPU for control and program flow tasks, or allow the CPU to enter power-saving modes to prolong battery life. The smart accelerators operate independently and concurrently to ensure the lowest absolute system power and deterministic high-performance. The main features of the platform are: ● A smart video accelerator for VGA video encoding and decoding, with camera interfaces, ● A smart audio accelerator containing a comprehensive set of digital audio decoders and encoders, and offering a large number of 3-D surround effects, ● An advanced power management unit which offers a number of power saving modes, ● The ARM926EJ processor, a powerful industry-standard CPU with Java acceleration, ● On-chip ROM and SRAM memory devices, ● Advanced security framework for authentication and digital rights management, ● Multichannel DMA controller for efficient data transfer without CPU intervention, ● A multi-layer AMBA crossbar interconnect for optimized data transfers between the CPU, accelerators, memory devices and peripherals, ● A wide range of peripheral interfaces (GPIO, USB-OTG, UART, I²C, FIrDA, SD/SDIO/MMC, serial ports, TV output, color LCD and camera interfaces), ● Direct support for high-level operating system such as Symbian™, Linux and WinCE® operating systems (OSs). Low power consumption The new multimedia functionality of mobile products brings with it an increase in power consumption that is outpacing advances in battery technology. The STn8810 chip saves on power by avoiding the need for high clock speeds wherever possible, but its extremely low power consumption results from a systematic effort at all design levels to reduce power requirements. These include: ● The use of smart accelerators and distributed processing to offload from the CPU, ● Efficient code execution by means of innovative algorithms, energy-efficient instruction set architectures and Java acceleration, ● The efficient use of bandwidth for on-chip data transport, achieved by data compression, buffering and image scaling, ● Aggressive power management which includes turning off inactive parts of the chip and keeping the CPU in power-saving modes as much as possible. |
Số phần tương tự - STN8812 |
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Mô tả tương tự - STN8812 |
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