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Description
The SM5903BFP-TL is a compression and non-compression type shock-proof memory controller LSI designed for compact disc players. It operates within a 2.4 to 3.6 V supply voltage range and offers 4 levels of compression. The external memory can be selected from 4 options, including 1M, 4M, 4M×2, and 16M.
Specifications and features
- 2-channel processing
- Serial data input
- 2s complement, 16-bit/MSB first, right-justified format
- Wide capture function (up to 3 × speed input rate)
- System clock input (384fs or 16.9344 MHz)
- Shock-proof memory controller with ADPCM compression method
- 4-level compression mode selectable:
- 4-bit compression mode: 2.78 s/Mbit
- 5-bit compression mode: 2.22 s/Mbit
- 6-bit compression mode: 1.85 s/Mbit
- Full-bit non-compression mode: 0.74 s/Mbit
- 4 external DRAM configurations selectable:
- 1 × 16M DRAM (4M × 4 bits, refresh cycle = 2048 cycle)
- 1 or 2 × 4M DRAM (1M × 4 bits)
- 1 × 1M DRAM (256k × 4 bits)
- Microcontroller interface for serial command write and status read-out
- Data residual detector with 15-bit operation and 16-bit output
- Forced mute option
- Extension I/O with 5 pins for external control
- +2.4 to +3.6 V operating voltage range
- Schmitt inputs for all input pins (excluding CLK)
- Reset signal noise elimination
- 44-pin LQFP package with 0.8 mm pin pitch
Application Scenarios
The SM5903BFP-TL is primarily used in compact disc players, where it efficiently controls memory and provides high-quality audio playback with its shock-proof memory and compression capabilities.
Comparison
Advantages- Offers 4 levels of compression for customized audio playback
- Wide capture function allows for up to 3× speed input rate
- Provides multiple external DRAM configurations for flexible memory selection
Disadvantages- Requires a 2.4 to 3.6 V supply voltage range
- Does not support compression levels beyond 6 bits
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Datasheet
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Shopping guide
Delivery period:
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Shipping option:
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Additional Information
- Datasheet: Download SM5903BFP-TL
- Chipdatas Part: CD93-SM5903BFP-TL
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/28 17:34 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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