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Description
The SM5903BF is an IC chip that serves as a shock-proof memory controller for compact disc players. It features a compression level selector with 4 options and allows the selection of external memory from 4 options ranging from 1M to 16M. This IC chip operates within a voltage range of 2.4V to 3.6V.
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 (16.9344 MHz)
- Shock-proof memory controller
- ADPCM compression method
- 4-level compression mode selectable
- 4 external DRAM configurations selectable
- Microcontroller interface
- Serial command write and status read-out
- Data residual detector: 15-bit operation, 16-bit output
- Forced mute
- Extension I/O: Microcontroller interface for external control using 5 extension I/O pins
- +2.4 to +3.6 V operating voltage range
- Schmitt inputs (All input pins except CLK are included)
- Reset signal noise elimination (Approximately 3.8 µs or longer (65 system clock pulses) continuous LOW-level reset)
Application Scenarios
The SM5903BF can be used in compact disc players as a compression and non-compression type shock-proof memory controller LSI.
Comparison
Advantages- 4-level compression mode selector allows for more dynamic control of audio formatting.
- Wide capture function allows for greater range of input speed.
- Schmitt inputs and reset signal noise elimination feature help improve stability and reduce errors.
Disadvantages- DRAM configurations are limited to only 4 options, which may not meet all design needs.
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Datasheet
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Shopping guide
Delivery period:
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Additional Information
- Datasheet: Download SM5903BF
- Chipdatas Part: CD88-SM5903BF
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/28 19:24 +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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Payment Method
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