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VS1002/VS1002d pdf datasheet (
消耗积分:5 |
格式:rar |
大小:514 |
2009-02-11
王兰
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VS1002d is a single-chip MP3 audio decoder. It contains a high-performance, low-power DSP processor core VS DSP4, working data memory, 5
KiB instruction RAM and 2.5 KiB data RAM for
user applications, serial control and input data interfaces,
4 general purpose I/O pins, an UART, as
well as a high-quality variable-sample-rate mono
ADC and stereo DAC, followed by an earphone
amplifier and a ground buffer.
VS1002d receives its input bitstream through a
serial input bus, which it listens to as a system
slave. The input stream is decoded and passed
through a digital volume control to an 18-bit oversampling,
multi-bit, sigma-delta DAC. The decoding
is controlled via a serial control bus. In addition
to the basic decoding, it is possible to add
application specific features, like DSP effects, to the user RAM memory.
KiB instruction RAM and 2.5 KiB data RAM for
user applications, serial control and input data interfaces,
4 general purpose I/O pins, an UART, as
well as a high-quality variable-sample-rate mono
ADC and stereo DAC, followed by an earphone
amplifier and a ground buffer.
VS1002d receives its input bitstream through a
serial input bus, which it listens to as a system
slave. The input stream is decoded and passed
through a digital volume control to an 18-bit oversampling,
multi-bit, sigma-delta DAC. The decoding
is controlled via a serial control bus. In addition
to the basic decoding, it is possible to add
application specific features, like DSP effects, to the user RAM memory.
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