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How to choose the appropriate LCD display module, Tian Xianwei editor will tell you

2024-12-13
Latest company news about How to choose the appropriate LCD display module, Tian Xianwei editor will tell you
When selecting a suitable LCD display module, the following three key indicators need to be considered first.
 
Display resolution: The number of pixels of the LCD display module must be greater than the maximum number of pixels required for the product display content.
 
External dimensions: The size of the LCD display module must adapt to the structural dimensions of the product chassis.
 
Circuit coordination: The selection of the LCD display module circuit will directly affect the circuit design of the MPU system. Circuit integration requires a comprehensive consideration by comparing MPU system resources and module circuit characteristics.
 
Built in driver LCD display module, equipped with MPU with LCD display driver, such as ARM9 series.
 
Built in controller LCD display module, and the controller has multiple models with unique performance, such as those with Chinese character library, those with 2D graphics accelerator, and those with only display RAM, which can meet the needs of various MPU systems.
 
Interface form between module and MPU: parallel interface, divided into INTEL8080 and MC6800 timing; Serial interface, including 3-wire/4-wire SPI serial interface, RS-232 interface, and I2C bus interface.
 
Adaptation with MPU system logic power supply: The power supply voltage of the module is also consistent with the module interface signal level, requiring the working power supply and signal voltage of the module to be consistent with the power supply and signal level provided by the MPU system, reducing the level conversion circuit for signal connections.
 
Power consumption of the circuit: It is necessary to evaluate whether the MPU system power supply can support the working state current, sleep state current, backlight current, etc. of the circuit.
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How to choose the appropriate LCD display module, Tian Xianwei editor will tell you
2024-12-13
Latest company news about How to choose the appropriate LCD display module, Tian Xianwei editor will tell you
When selecting a suitable LCD display module, the following three key indicators need to be considered first.
 
Display resolution: The number of pixels of the LCD display module must be greater than the maximum number of pixels required for the product display content.
 
External dimensions: The size of the LCD display module must adapt to the structural dimensions of the product chassis.
 
Circuit coordination: The selection of the LCD display module circuit will directly affect the circuit design of the MPU system. Circuit integration requires a comprehensive consideration by comparing MPU system resources and module circuit characteristics.
 
Built in driver LCD display module, equipped with MPU with LCD display driver, such as ARM9 series.
 
Built in controller LCD display module, and the controller has multiple models with unique performance, such as those with Chinese character library, those with 2D graphics accelerator, and those with only display RAM, which can meet the needs of various MPU systems.
 
Interface form between module and MPU: parallel interface, divided into INTEL8080 and MC6800 timing; Serial interface, including 3-wire/4-wire SPI serial interface, RS-232 interface, and I2C bus interface.
 
Adaptation with MPU system logic power supply: The power supply voltage of the module is also consistent with the module interface signal level, requiring the working power supply and signal voltage of the module to be consistent with the power supply and signal level provided by the MPU system, reducing the level conversion circuit for signal connections.
 
Power consumption of the circuit: It is necessary to evaluate whether the MPU system power supply can support the working state current, sleep state current, backlight current, etc. of the circuit.
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