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Summary of Contents for Microadapt 1602A
- Page 1 1602 A instructions 1602 A instructions LCD USER manual...
- Page 2 Directory Summarize Shape dimension Module mainly hardware description The external interface module Command instructions Ceading and writing operation sequence Software initialization...
- Page 3 Summarize （1602A QAPASS ）is an industrial character type LCD, can also shows that 16 x02 namely 32 characters. (16 column 2 line) Second:module size (pictured) Three:pin interface specifications table Numbers symbols pin pin that Numbers symbols that Numbers symbols Pin that...
- Page 4 1 foot: for to power VSS. 2 feet: VDD take 5 V is power. 3 feet: VL for LCD contrast the adjustment, and then when the power is the weakest contrast, grounded contrast the highest, and the contrast Through high can produce the "ghost", when used, can pass...
- Page 5 4. 1602 LCD instructions in time sequence that 1602 LCD module internal controller of article 11 control instruction, as the chart shows: Numb instructions Clear display Cursor to return to Buy input mode Display the on/off control The cursor or character shift Buy function Buy character CunZhuQi...
- Page 6 4: control command table 1602 LCD module of reading and writing, and the screen and light mark operation operations are through the instructions of programming realize. (note: 1 for high Level, 0 for low level) Instruction 1: clear display, instruction code 01 H, the cursor is reset to address 00 H position. Instruction 2: the cursor reset, the cursor to return to address 00 H.
- Page 7 The basic operation sequence table Graph: read operation sequence Graph: write operation sequence 1602 LCD RAM address mapping and standard word stock list. Liquid crystal display module is a slow display device, so in the execution eachinstruction before must affirm module mark is busy low electricity Flat, said were not busy, otherwise this instruction failure.
- Page 8 6. 1602 internal display address (pictured) For example the second line the first character address is 40 H, so whether written 40 H can directly to the cursor positioning in the second line The first character position? So no, because that address to request when the top bits D7 constant for high level 1 so The actual writing data should be 01000000 B (40 H) + 10000000 B (80 H) = 11000000 B (C0H).
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