Following the classic K210 MAIX-I series AIOT boards, Sipeed continues to launch a variety of edge computing boards that can run a complete Linux environment, which will be named after MAIX-II and MAIX-III in turn.
The MAIX-II core module is an entry-level edge computing (built-in NPU) board that can run in a Linux environment. It uses a fast-pluggable NGFF 67pin gold finger design and is equipped with Allwinner V831 SoC.
| Specification | MAIX-I (K210) | MAIX-II (V831) |
| CPU | 400~600Mhz | 800~1000Mhz (advantage items are marked with red, the same below) |
| Video encoder | None | H.264, up to 1080p@30fps, H265, up to 1080p@30fps, JPEG, up to 1080p@30fps |
| AI Accelerator NPU | 0.23TOPS, support Conv+BN+ACT+POOL | 0.2TOPS. support Conv,Inner_Product,Pool,Eltwise,ACT,BN,Split,Concat |
| Memory | 8MB SRAM | SIP 64MB DDR2 |
| Storage | 16MB SPI Nor Flash | Optional 16M flash |
| Camera | DVP, maximum input 30W pixels | 2lane MIPI, maximum support 1080P@60fps |
| Display | 8bit MCU LCD | 8bit MCU LCD, with adapter board can be connected to a maximum of 10 inches RGB LCD |
| SDIO | None | SMHC x2 (SDC0, SDC1) |
| SPI | SPIx3 | SPI x2 (SPI0, SPI1) |
| I2C | I2C x3 | I2C x4 (TWI0, TWI1, TWI2, TWI3) |
| I2S | 8bit I2S | I2S x1 (I2S0) |
| Ethernet | None | 10/100 Mbit/s Ethernet port with RMII interface |
| ADC | None | 1-ch 6bit LRADC for key |
| Audio | None |
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