Amlogic A311D是基于S922X的人工智能场景芯片,简单理解:A311D=S922X+ 5TOPs算力的NPU。
S905D3的情况也是类似,S905D3算是一款新的四核A55架构处理器,集成了1.2TOPs算力的NPU。
两款芯片
芯片框图:
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Amlogic A311D specifications
CPU – 4x Arm Cortex A73 @ TBD GHz, 2x Arm Cortex A53
GPU – Arm Mali-G52 MP4
NPU – 5TOPs NNA with PPU architecture
Memory I/F – DDR3/4; LPDDR3/4
Storage I/F – eMMC, SD/SDHC/SDXC
Video Output – HDMI Tx up to 4K2K @ 60 Hz with CEC & HDR support, CVBS
Video Processing Unit (VPU)
Decoding – 4K (up to 4096x 2304) H.265, VP9, and AVS2
Encoding – 1080p H.265 & H.264
Connectivity – Gigabit Ethernet
Peripherals – USB host, SDIO, UART, I2C, PWM, SARADC/ADCKEY, GPIO, timers, etc…
Security – TrustZone & TVP, eFuse
IP License – Dolby, DTS