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GM8287芯片的性能规格描述:
Embedded Processor
ARM-based 32-bit RISC
32KB instruction cache and 32KB data cache
Clock/PLL
12MHz main clock input
12.288MHz clock input (Optional)
Programmable frequency core PLL for main clock and audio main clocks
Programmable clock output x1 for video decoder
Programmable clock output x1 for Ethernet PHY
Frequency change control
Memory Interface 支持DDR3芯片,跑1.3G
32-bit DDR3 SDRAM interface up to DDR3-1333
Supports NAND/SPI NOR Flash boot
Supports NAND 64-bit ECC correction capability for 512-byte or 1K-byte sector
H.264 Codec
Supports high-profile encoding D1 360 fps or 1080p 60 fps
Supports high-profile decoding D1 360 fps or 1080p 60 fps
Supports high-profile encoding D1 300 fps + decoding D1 240 fps
MPEG4 Codec
Compliant with MPEG4 simple profile L0 ~ L3 standards
Supports encoding up to D1 60 fps
Supports decoding up to D1 60 fps
JPEG Codec
Compliant with JPEG baseline standard
Supports image size up to 64k× 64k
Supports codec performance up to 120 Mpixel/sec
3D De-interlace and De-noise
Supports 3D de-interlace up to 1080i
Supports 60i to 30p and 60i to 60p 3D de-interlace functions
2D Graphics Accelerator Engine
Supports graphics formats of RGB-555, 565, 888, and ARGB-8888
Video Scalar
Maximum video input resolution of 4096x4096
Supports linear scaling down/up function
Supports ARGB888 scaling
Video Capture 输入视频接口
BT.656 input x4 (Up to 148.5MHz)
BT.1120 input x2 (Up to 148.5MHz)
Supports 54MHz/108MHz and 72MHz/144MHz byte/frame interleave modes
Supports 2-channel 1080p 60 fps BT1120 input or 4-channel 1080p 30 fps BT656 input
Supports multiplexer function up to D1/960H 16 channels
Supports D1/960H/HD/Full HD input multiple channel combination
Display Controller
Supports 1920x1080/60p, 1280x720/60p, 1280x1024/60p, 480i , and 576i display resolutions
Supports two independent display controllers
Display interface
VGA x1
Composite x1
HDMI 1.3a x1
I2S Controller
Supports I2S up to three (One pin-mux pins )
Serial data format ranging from 4 bits to 128 bits in length
Provides 32-word transmit FIFO and 32-word receive FIFO
Giga Ethernet Controller
Supports GMAC interface which can support 10Mbps/100Mbps RMII and 1000Mbps RGMII
Supports network acceleration TOE engine (TCP/UDP/IP offload engine)
High-speed I/O interface
SATA 3Gb/s x2
USB OTG 2.0 x2
Secure Digital Card (SDC) Controller
Compliant with SD host controller standard specification, version 3.0
Compliant with SD physical layer specification, version 3.0
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