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PDM to PCM Conversion, SMIC 65nmLL
The Digital Microphone Interface converts digital pulse-density modulated (PDM) data from external digital microphone into pulse-code modulated (PCM) data for base-band processing.
The Digital Microphone Interface converts digital pulse-density modulated (PDM) data from external digital microphone into pulse-code modulated (PCM) data for base-band processing.
The Digital Microphone Interface converts digital pulse-density modulated (PDM) data from external digital microphone into pulse-code modulated (PCM) data for base-band processing.
Features
- SNR 100dB; THD -100dB
- PDM (pulse-density modulated) Input
- PCM (pulse-code modulated) output
- Support PDM_CLK rates of 1.84MHz~4.32MHz, 5.28MHz~8.64MHz
- Support left /right, or stereo inputs
- Sampling Rate: 8K-48KHz, upgrade to 96KHz
- Digital audio interface (master & slave)
- DAI data format: I2S, Left-justified, PCM
- I2C, SPI Interfaces
Benefits
- Easy Integration
- Quick Time-to-Market
- Reduced R&D Cost
- Enhance 1stTape Out Success
- Differentiated SoC Solution
- Early Market Penetration
Deliverables
- Datasheet
- Synthesized Gate Netlist
- Encrypted RTL
- Timing Model (.lib)
- Test Benches and Test Vectors
- Integration Guidelines
- Silicon Validation Report
- AE support
Applications
- IoT Sensor Hubs
- Wearable Devices
- Smart Home Appliances
- PMP, MID
- Tablets
- VoIP and Featured Phones
- Automobile Voice/Audio System
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Digital microphone interface
- 120dB PDM-to-PCM Digital Microphone Interface
- PDM-to-PCM Conversion with AMBA Interface
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- 16-22Bit Stereo Audio CODEC with Microphone / Line-in Recording, Lineout / Headphone Playback, SMIC 0.13um,