Embedded Processor
· ARM926EJ-S, 32-bit RISC processor, Harvard architecture
· 16 KB instruction cache and 16 KB data cache
· 2 KB tight coupled instruction memory
· Built-in MMU for open OS
· Up to 264 MHz
Video Codec
· H.264 Main Profile@Level3.0 encoding and decoding
· H.264 Baseline Profile@Level3.0 encoding and decoding
· MJPEG/JPEG Baseline encoding and decoding
Video Codec Performance
· Dual stream encoding (H.264/MJPEG)
· Main stream is up to 60fps@D1 or up to 240fps@CIF
· Sub-stream is up to 60fps@CIF or up to 240fps@QCIF
· H.264/MJPEG decoding is up to 25fps@1.3Mpixls
· H.264/MJPEG encoding and decoding simultaneously is up to 30fps@D1
· 300M pixels MJPEG/JPEG encoding is up to 5 fps
· CBR/VBR bit rate control, 16 Kbit/s to 20 Mbit/s
Image Processing
· De-interlace pre-processing
· Video/Image scaling
· Four areas OSD overlay for video input
· Four layers of OSD overlay for video output
· Contrast stretch and color intensification
· Video blanking of four areas
· Macro block level information output for flexible motion detection
· Pre-process for noise reduction
Audio Encoding and Decoding
· Various audio and voice codec with software
· Up to eight channels of real-time audio encoding and decoding
· The voice talk-back
Security Engine
· Implementing various encryption/decryption algorithms such as AES, DES, and 3DES through the hardware
· Proprietary Digital watermark
Video Interface
· Input
– 4channel 27/54MHz BT.656/601 YCrCb 4:2:2, 8 bits. Each interface supports two channels of BT.656 multiplex video input
– SMPTE296M 720P, YC 4:2:2, 16 bits
– CCD and CMOS digital interfaces
·Output
– BT.656. YCrCb 4:2:2, 8 bits
Audio Interface
· I2S x 2
– 8, 16 or 32 bits
– 4 KHz–48 KHz sample frequency
Peripheral Interface
· PCI V2.3
– Compatible with the miniPCI
– Supporting the master, slave mode
· UART x 3
· IR
· I2C
· SPI, master and slave mode
· GPIO
· SDIO2.0
· USB 1.1 Host
· USB 2.0 OTG
· MII Interface ,10/100Mbit/s duplex
· RTC, independent supply power
Memory Interface
· DDR2 SDRAM interface
– 16 or 32 bit
– Up to 512 MB
· NOR Flash interface
– 8 bit
– 2 Bank, each up to 32 MB
SDK
· Linux-based SDK
· High performance H.264 PC decoding library
Power Consumption
· 800 mW typical power consumption
· Multiple levels of power-down modes
Operating voltage
· 1.2 V for core
· 3.3 V for IO with 5v-tolerance
· 1.8 V for DDR2 DRAM I/O
Package
· 441-pin TFBGA
· 19 mm x 19 mm, 0.8 mm pitch
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