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STN8810 Fiches technique(PDF) 6 Page - STMicroelectronics |
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STN8810 Fiches technique(HTML) 6 Page - STMicroelectronics |
6 / 16 page STn8810 Overview 5/15 1.1 Smart video accelerator (SVA) Using leading-edge technology, this block is a low-power, high-performance video accelerator that supports the following features: ● MPEG-4 simple profile level 0 codec video encoder and decoder; real time up to VGA 30 fps (encode only or decode only) ● H.263 profile 0 level 10 video codec; real time subQCIF or QCIF 15 fps for video- conferencing ● H.263 profile 0 level 30 video encoder or decoder; real-time up to CIF 30 fps ● JPEG baseline accelerated encoder or decoder, up to 4080 x 4080 pixels ● Programmable DSP (MMDSP+) for intermediate level processing, clocked at 66 MHz ● Picture pre-/post-processing ● Low-power implementation 1.2 Smart audio accelerator (SAA) This high-performance block is a flexible sophisticated audio accelerator based on the MMDSP+ programmable audio DSP, clocked at 133 MHz, and features: ● 24-bit data path ● Ultra-low power implementation The audio accelerator features: ● MP3, AAC, AAC+ (SBR) decoding, and more ● Speech codecs: AMR (WB, NB), and more ● Audio sample rates of 32 kHz, 44.1 kHz and 48 kHz ● Noise reduction and echo cancelling ● Stereo enhancements and surround effects 1.3 Advanced power management unit (PMU) The dynamic PMU optimizes power consumption of the STn8810. It delivers all the platform clocks, and handles reset management. It also manages GPIO levels during sleep mode and emergency self-refresh of SDRAM. The PMU controls the external voltage regulator, in order to change its settings in different modes. In deep-sleep mode, only GPIOs, the real-time clock (RTC), system and reset controller (SRC), PMU and secured RAM remain in operation. The PMU also controls the embedded 1.2 V voltage switch that switches off the logic supply after the platform has entered sleep mode. The family of power manager ICs, STw481x companion chips, seamlessly interface with the Nomadik STn8810 and optimize global system power consumption leveraging on the PMU. |
Numéro de pièce similaire - STN8810_08 |
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Description similaire - STN8810_08 |
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