Introduction to the core board:
The LQ3288 core board is a core board based on Rockchip RK3288, which is independently developed, produced and sold by Luoshiqi Technology Co., Ltd. A17 quad-core, clocked at 1.8GHz, widely used in set-top boxes, flat-screen TVs, smart homes, smart cities, security and other fields.
Core board appearance:

3288 core board front

3288 core board back

3288 structure and size chart
Core board characteristic parameters:
| System Configuration |
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| CPU | RK3288 |
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| Main frequency | A17 quad core 1.8GHZ |
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| RAM | Standard 2GB, 4GB can be customized |
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| Memory | 4GB/8GB/16GB emmc optional, standard 16GB |
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| Power IC | Use ACT8846, support dynamic frequency modulation |
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| Interface parameters |
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| LCD interface | Support TTL, LVDS, MIPI interface output at the same time |
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| Touch interface | Capacitive touch, USB or serial port can be used to extend resistive touch |
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| audio port | AC97/IIS interface, support recording and playback |
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| SD card interface | 2 SDIO output channels |
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| emmc interface | Onboard emmc interface, the pins are not led out separately |
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| Ethernet interface | Support Gigabit Ethernet |
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| USB HOST interface | 2 channels HOST2.0 |
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| USB OTG interface | 1 channel OTG2.0 |
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| UART interface | 4 serial ports, support serial ports with flow control |
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| PWM interface | 2 PWM outputs |
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| IIC interface | 4 IIC outputs |
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| SPI interface | 1 SPI output |
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| ADC interface | 1 ADC output |
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| Camera interface | 1 BT656/BT601, 1 MIPI output |
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| HDMI interface | High-definition audio and video output interface, audio and video synchronous output |
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| VGA interface | Use LCD output interface expansion |
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| Start the configuration interface | No need to start configuration, the core board automatically adapts |
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| Electrical characteristics |
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| Input voltage | 3.7~5.5V (5V input is recommended) |
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| The output voltage | 3.3V/4.2V (can be used for baseboard power supply and battery charging) |
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| Operating temperature | -10~70 degrees |
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| Storage temperature | -10~80 degrees |
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| Structural parameters |
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| Exterior | Stamp hole method |
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| Core board size | 55.8mm*55.8mm*3mm |
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| Pin pitch | 1.2mm |
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| Pin pad size | 1.8mm*0.7mm |
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| Number of pins | 180PIN |
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| Layer | 8 floors |
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For the definition of core board pins, please refer to 'Wiki Tutorial'