| Two new portable media player reference kits run Windows CE |
Aug. 17, 2004
 Sharp Microelectronics has announced two new reference design kits targeting applications in the burdgeoning consumer electronics category of portable multimedia devices, including handheld video players, digital photo albums, audio jukeboxes, and multimedia toys. Sharp says these reference designs, which support Microsoft's Windows CE embedded operating system, offer ready-to-use hardware/software solutions that enable easy product differentiation, quick time-to-market, and reduced system costs.
(Click here for larger image)
Both reference designs include a development board, bill of materials, schematics, operating system software, video and audio codecs, board support package (BSP), and technical support. The designs are: - The QVGA reference design utilizes a unique 3.6-inch "native landscape" Amorphous Silicon (A-Si) TFT-LCD specifically developed for portable media applications.
- The QCIF+ reference design uses a 2.2-inch A-Si TFT-LCD, also developed for mobile applications. Both LCD panels are said to provide excellent color saturation and low power consumption with LED backlighting.
Media Player Reference Design Specifications
| Item | QCIF+ Design | QVGA Design | | Processor | Sharp LH7A404 ARM9 SoC | | Video Formats | WMV, MPEG4 | | Audio Formats | WMA, AAC, MP3 | | Picture Formats | JPEG, TIFF, BMP, GIF | | Hard Drive Technologies | 1.0-in. CompactFlash Microdrive | 1.8-in. IDE ATA support | | Removable Media | MultiMediaCard and Secure Digital | | Data Interface | USB 2.0 Full Speed | USB 2.0 High Speed | | Audio Interface | Stereo headphone jack | | LCD TFT Display | 2.2-in A-Si transflective,
176 x 220 QCIF+ resolution | 3.6-in. A-Si transmissive, 320 x 240 landscape mode | | Battery | Li-Ion battery charge circuit | | Power | 5V DC input, battery or USB | | Operating Systems | Windows CE .NET, μC/OS, ThreadX, VxWorks |
 About the LHA7A404 SoC
The Sharp LH7A404 ARM9 system-on-chip (SoC) processor is a key component in both reference designs. According to Sharp, the LH7A404 provides all the major interfaces needed for hand-held portable media players in a single package including an interface to Sharp's latest generation LCD panels, AC97 audio, CompactFlash, MMC/SD, USB, NAND Flash, and SDRAM support, and sufficient performance to decode compressed video and audio.
Detailed information on the LH7A404 is available here
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