2018-11
As can be seen from Figure 1, the data buffer and the instruction register are used to receive the instructions and data sent by the MPU, and to feed back the required data information to the MPU, while the status word register is used to indicate the internal operating state of the controller. The control unit processes the received information. It has an independent timing oscillator and logic control circuitry that manages the display buffer RAM and the character generator.
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2018-09
Use the graphic LCD module to display Chinese characters and graphics in a dot matrix format. Each 8 points is composed of 1 byte, each point is represented by a binary digit. When the point of 1 is displayed, 1 bright spot is displayed on the screen; the point where 0 is stored is not displayed on the screen, commonly used 16 The Chinese character dot matrix of ×16 is composed of 32 bytes. LCD driver control that is more popular in China.
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