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Processor Core
• Arm Cortex-A7@ 900 MHz, 32 KB I-Cache, 32 KB D-Cache/128 KB L2 cache
• Neon acceleration, with an integrated FPU
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Video Encoding
• H.264 BP/MP/HP, supporting I-/P-frames
• H.265 MP, supporting I-/P-frames
• MJPEG/JPEG Baseline encoding
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Video Encoding Performance
• Maximum resolution for H.264/H.265 encoding: 2304 x 1296 (width up to 2304 pixels)
• Real-time multi-stream H.264/H.265 encoding capabilities:
− 2048 x 1536@20 fps + 720 x 576@20 fps
− 2304 x 1296@20 fps + 720 x 576@20 fps
− 1920 x 1080@30 fps + 720 x 576@30 fps
• JPEG snapshot at 3M (2304 x 1296)@5 fps
• Six bit rate control modes (CBR, VBR, FIXQP, AVBR, QPMAP, and CVBR)
• Intelligent encoding mode
• Up to 60 Mbit/s output bit rate
• Encoding of eight ROIs
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Intelligent Video Analysis
• Intelligent video engine (IVE)
• A wide range of intelligent analysis applications, such as intelligent motion detection, perimeter defense, and video diagnosis
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Video and Graphics Processing
• 3DNR, image enhancement, and DCI
• Anti-flicker for output videos and graphics
• 1/15x to 16x video and graphics scaling
• Video and graphics overlaying
• Image rotation by 90°, 180°, or 270°
• Image mirroring and flipping
• OSD overlaying of eight regions before encoding
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ISP
• 4x4 pattern RGB-IR sensor
• 3A functions (AE, AF, and AWB). Third-party 3A algorithms are supported.
• FPN removal and DPC
• LSC, LDC, and purple fringing correction
• Direction-adaptive demosaic
• Gamma correction, DCI, and color management and enhancement
• Region-adaptive dehaze
• Multi-level NR (BayerNR and 3DNR) and sharpening enhancement
• Local tone mapping
• Sensor built-in WDR
• 2F-WDR frame mode
• DIS
• Intelligent ISP tuning. PC-based ISP tuning tools are provided.
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Audio Encoding and Decoding
• Multi-protocol voice encoding and decoding implemented on software
• Compliance with the G.711, G.726, and ADPCM protocols
• Audio 3A functions (AEC, ANR, and AGC)
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Security Engine
• AES/RSA encryption and decryption algorithms implemented on hardware
• HASH (SHA1/SHA256/HMAC_SHA1/HMAC_SHA256) algorithms implemented on hardware
• Integrated 32-kbit OTP storage space and random number generator
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Video Interfaces
• Input
− 8-/10-/12-bit RGB Bayer DC timing VI
− MIPI, LVDS/sub-LVDS, and HiSPI
− Compatibility with mainstream HD CMOS sensors provided by Sony, ON Semiconductor, OmniVision, and Panasonic
− Compatibility with the electrical specifications of parallel and differential interfaces of various sensors
− Programmable sensor clock output
− Maximum input resolution: 2304 x 1296
• Output
− 6-/8-bit LCD output
− BT.656/BT.1120 output
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Audio Interfaces
• Integrated audio codec, supporting 16-bit audio input and output
• Mono MIC/line-in input
• Mono line-out output
• I2S interface, connected to external audio codec
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Peripheral Interfaces
• POR
• Integrated high-precision RTC
• Integrated 2-channel LSADC
• 3x UART interfaces
• I2C, SPI, and GPIO interfaces
• 4x PWM interfaces
• 1x SDIO 2.0 interface and one SD 2.0 card
• 1x USB 2.0 interface in host/device mode
• Integrated FE PHY, supporting TSO network acceleration.
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External Memory Interfaces
• SDRAM interface
− Built-in 512 Mb DDR2
• SPI NOR flash interface
− 1-/2-/4-wire mode
− Maximum capacity: 256 MB
• SPI NAND flash interface
− 1-/2-/4-wire mode
− Maximum capacity: 1 GB
• eMMC 4.5 interface
− 4-bit data width
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Boot
• Booting from the SPI NOR flash memory, SPI NAND flash memory, or eMMC
• Secure boot
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SDK
• HUAWEI LiteOS/Linux-4.9-based SDK
• High-performance H.264 PC decoding library
• High-performance H.265 PC, Android, and iOS decoding libraries
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Physical Specifications
• Power consumption
− Typical power consumption in the 1080p30/3M20 scenario: 700 mW
• Operating voltages
− 0.9 V core voltage
− 3.3 V I/O voltage (±10%)
− 1.8 V SDRAM interface voltage
• Package
− 9 mm x 9 mm, 88 pins, 0.35 mm ball pitch, QFN package