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| Grain Media's GM7020 is an audio SoC solution which integrates a 32-bit RISC CPU, a media coprocessor and peripheral functions for developing high-performance and low-power portable multimedia devices. It incorporates several of GM's proprietary technologies, such as silicon-proven IPs, CPU architecture optimized for audio processing, and ultra-low power design technology to present the leading MIPS/mW performance among the industry. GM7020 supports various popular audio formats, which include the MP3 encoder/decoder, WMA decoder, OGG decoder, AAC decoder and IMA ADPCM codec. It also supports multiple video decoders, such as the JPEG/MEPG-4 decoders. Comprising interfaces of NAND flash, SD/MMC, and IDE, GM7020 supports both flash-based and HDD-based storage devices. |
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Audio-enhanced ARM v4 architecture CPU; max. speed: 150 MHz (1.0 V) / 200 MHz (1.2 V)
Hardware to support NAND Flash, IDE, and SD / MMC card interfaces
Built-in 10-bit ADC for voice recording, touch panel and other measurements
USB 2.0 OTG interface for data download/upload
Built-in GPIO for various applications
Built-in LCD controller for serial RGB or CCIR656 interfaces
I²C interface
Formats supported:
- IMA ADPCM encoder/decoder
- MPEG- 1/2/2.5 audio layer 1/2/3 decoder, including VBR
- MPEG- 1/2/2.5 audio layer 3 encoder
- WMA 9.0 decoder
- DRM10
- JPEG decoder
- MPEG-4 video decoder
OS supported: uCLinux, eCos |
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