VLSI Solution Oy 
Part Number : VS1103
Overview :
VS1103b contains a high-performance, proprietary low-power DSP processor core VS DSP4, working data memory, 5 KiB instruction RAM and 0.5 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 common buffer.
Features : - Encodes IMA ADPCM from microphone,
- line input or mixed output
- Input streams can use different sample rates
- EarSpeaker Spatial Processing
- Bass and treble controls
- Operates with a single 12. . . 13 MHz clock
- Internal PLL clock multiplier
- Low-power operation
- High-quality on-chip stereo DAC with no
- phase error between channels
- Stereo earphone driver capable of driving a
- 30­ load
- Separate operating voltages for analog, digital
- and I/O
- 5.5 KiB On-chip RAM for user code / data
Categories :
Portability :
Type : Soft
CST Webinar Series
S2C: FPGA Base prototyping- Download white paper

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