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Description
The A2510R-B4 is an electronic component model that falls under the product category of IC Chips. It is specifically designed as an MPEG1 audio and video CD (VCD) decoder. This decoder is intended to be used in low-cost dedicated video CD players. When paired with a 4 Mbit DRAM and a digital video encoder, it adds the necessary functionality to a CD decoder, enabling the implementation of a cost-effective video CD player capable of playing discs coded to version 2.0 of the video CD specification. The SAA2510, which is the specific chip model being referred to, is characterized by its I2C-bus controlled feature. It also provides digital video output in CCIR601 and 656 formats, and supports serial data input in four common bus formats.
Specifications and Features
- Decoding and display of MPEG1 video streams (constrained parameters)
- Decoding of MPEG audio streams (layer II)
- Decoding, storage (compressed), and display of high-resolution still pictures of 704 × 576 pixels
- Requires only 4 Mbits of external 70 ns DRAM
- Audio transparency mode for CD-DA discs
- On-screen display capability
- Play options: Play, Stop, Pause/continue, Slow-motion forward, Scan forward, Scan backward
- Supports auto-pause feature
- Disc interface: Philips I2S, EIAJ, MEC formats, and IEC 958 (EBU) interface
- Separate error flag input (EFIN) and data valid input (NDAV)
- Performs basic block decoder functions: serial-to-parallel conversion, sync detection, descrambling, EDC calculation, error-correction for mode 2 form 1 sectors, header and sub-header interpretation
- I2C-bus interface
- Video output YUV 4:2:2 format. DMSD bus compatible
- Also supports CCIR656 video interface, including line and field timing codes
- Audio output: 44.1 kHz. 16, 18, or 20 bits per audio sample in Philips I2S, Sony, or MEC formats
- EBU audio output, fully transparent from input to output in CD-DA mode and generated in MPEG mode
- Downloadable microcode for internal controllers
- Internal video timing generator
- Requires 40 MHz crystal for system clock generation
- Requires 27 MHz crystal or external 27 MHz source for video timing generation
- Requires 16.9344 MHz (384 × 44.1 kHz) clock locked to CD drive
- Internal generation of 90 kHz MPEG clock
- Capability of sharing external DRAM by 3-stating all DRAM pins
Application Scenarios
The A2510R-B4 is specifically designed for dedicated video CD players.
Comparison
Advantages: The A2510R-B4 decoder offers decoding and display of MPEG1 video streams, decoding of MPEG audio streams, and the ability to store and display high-resolution still pictures. It requires only 4 Mbits of external 70 ns DRAM and supports various play options. It also features an I2C-bus interface, video output in YUV 4:2:2 format, and audio output with multiple format support. Additionally, it has downloadable microcode for internal controllers and incorporates an internal video timing generator. Disadvantages: The A2510R-B4 requires specific crystals for system clock and video timing generation, as well as a clock locked to the CD drive. It also features a shared external DRAM, which may affect performance depending on usage.
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Datasheet
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Shopping guide
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- Datasheet: Download A2510R-B4
- Chipdatas Part: CD94-A2510R-B4
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 17:53 +0800
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