1e41f4b71Sopenharmony_ci# Hi3516 Development Board
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4e41f4b71Sopenharmony_ci## Introduction
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6e41f4b71Sopenharmony_ciHi3516DV300 is a next-generation system on chip (SoC) designed for the industry-dedicated smart HD IP camera. Thanks to its next-generation image signal processor (ISP), H.265 video compression encoder, and high-performance NNIE engine, Hi3516DV300 provides low bit rates, high image quality, low power consumption, and intelligent processing and analysis.
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8e41f4b71Sopenharmony_ci  **Figure 1** Hi3516 front view 
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10e41f4b71Sopenharmony_ci![en-us_image_0000001271234717](figures/en-us_image_0000001271234717.png)
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13e41f4b71Sopenharmony_ci## Specifications
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15e41f4b71Sopenharmony_ci**Table 1** Hi3516 specifications
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17e41f4b71Sopenharmony_ci| Item| Description|
18e41f4b71Sopenharmony_ci| -------- | -------- |
19e41f4b71Sopenharmony_ci| Processor and internal memory| - Hi3516DV300 chip<br>-&nbsp;DDR3&nbsp;1GB<br>- eMMC 4.5, 8 GB capacity|
20e41f4b71Sopenharmony_ci| External components| - Ethernet port<br>- Audio and video<br>  - 1 voice input<br>  - 1 mono channel (AC_L) output, connected to a 3 W power amplifier (LM4871)<br>  - MicroHDMI (1-channel HDMI 1.4)<br>- Camera<br>  - Sensor IMX335<br>  - M12 lens, 4 mm focal length, and f/1.8 aperture<br>- Display<br>  - 2.35-inch LCD connector<br>  - 5.5-inch LCD connector<br>- External components and ports<br>  - Memory card port<br>  - JTAG/I2S port<br>  - ADC port<br>  - Steering gear port<br>  - Grove connector<br>  - USB 2.0 (Type-C)<br>  - Three function keys, two user-defined keys, and one upgrade key<br>  - LED indicator, green or red |
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