NoticeDifference between revisions of "UART SERIAL 16*2 CHARACTERS LCD"
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| Operation Temperature||20℃~60℃ | | Operation Temperature||20℃~60℃ | ||
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| + | |||
| + | ==Commands description== | ||
| + | ===1. Command format=== | ||
| + | The format of all commands is CMD+[Parameter]+’;’, the [parameter] is option, and the ‘;’ is | ||
| + | necessary. | ||
| + | ===2. Command list and parameter=== | ||
| + | 1) Screen Clean | ||
| + | |||
| + | CMD : sc , Parameter : Null; | ||
| + | |||
| + | Example : | ||
| + | sc; -----------------Screen clean. | ||
| + | 2) Set backlight | ||
| + | |||
| + | CMD : sb, Parameter :1/0 [1: Set the backlight on; 0: Set the backlight off] | ||
| + | |||
| + | Example : | ||
| + | sb1; ---------------Set the backlight on. | ||
| + | sb0; ---------------Set the backlight off. | ||
| + | |||
| + | 3) Set coordinate | ||
| + | |||
| + | CMD : sd, Parameter :X,Y [X: the column (X = [0,1]); Y: the row (Y = [0:15])] | ||
| + | |||
| + | Example : | ||
| + | sd0,0; --------------Set the coordinate to column 0 and row 0. | ||
| + | Sd1,15; ------------Set the coordinate to column 1 and row 15 | ||
| + | |||
| + | 4) Send string | ||
| + | |||
| + | CMD : ss, Parameter : Char String | ||
| + | |||
| + | Example: | ||
| + | ss12345; -------------Send the char string to display in coordinate. | ||
| + | |||
| + | 5) Set the cursor on/off | ||
| + | |||
| + | CMD su, Parameter: 0/1 [0: Set the cursor off, 1: Set the cursor on] | ||
| + | |||
| + | Example: | ||
| + | su0; --------------Set the cursor off | ||
| + | su1; --------------Set the cursor on | ||
| + | |||
| + | 6) Set the cursor type | ||
| + | |||
| + | CMD sf, Parameter: 0/1 [0: Set the cursor blink off, 1: Set the cursor blink on] | ||
| + | |||
| + | Example: | ||
| + | sf0; -------------- Set the cursor blink off | ||
| + | sf1; -------------- Set the cursor blink on | ||
| + | 7) Move the cursor | ||
| + | |||
| + | CMD sm, Parameter: 0/1 [0: Move the cursor left , 1: Move the cursor right] | ||
| + | |||
| + | Example: | ||
| + | sm0; -------------- Move the cursor left | ||
| + | sm1; -------------- Move the cursor right | ||
| + | ===3. Return message=== | ||
| + | O: OK, the mean is the command is correct and been done | ||
| + | |||
| + | E: Error, the mean is the command is error. | ||
| + | |||
| + | 4. Command corresponding time | ||
| + | |||
| + | All the command corresponding time is < 50ms. | ||
| + | |||
==Download== | ==Download== | ||
==Useful Links== | ==Useful Links== | ||
Revision as of 07:40, 28 May 2014
Contents
Overview
Character LCM screen is a common display device, we provide 16×2, 8×2, 20×4 with Yellow / Blue black light LCD. But these LCD need more than 6 pins for controlling and you need to know the control register and time series.
Specifications
| Resolution | 16X2 |
| Backlight color | Yellow, Blue |
| Communication Protocol | UART |
| Band Rate | 9600 |
| RoSH | Yes |
Recommended operating condition
| Power supply voltage | 5 VDC |
| Current consumption | 60mA（Blue） 70mA（Yellow） |
| Input Voltage VH | 2.7V (Min) 3.3V (Type) 3.6V(Max) |
| Input Voltage VL | 0.3V (Min) 0V (Type) 0.9V(Max) B71 |
| Operation Temperature | 20℃~60℃ |
Commands description
1. Command format
The format of all commands is CMD+[Parameter]+’;’, the [parameter] is option, and the ‘;’ is necessary.
2. Command list and parameter
1) Screen Clean
CMD : sc , Parameter : Null;
Example : sc; -----------------Screen clean. 2) Set backlight
CMD : sb, Parameter :1/0 [1: Set the backlight on; 0: Set the backlight off]
Example : sb1; ---------------Set the backlight on. sb0; ---------------Set the backlight off.
3) Set coordinate
CMD : sd, Parameter :X,Y [X: the column (X = [0,1]); Y: the row (Y = [0:15])]
Example : sd0,0; --------------Set the coordinate to column 0 and row 0. Sd1,15; ------------Set the coordinate to column 1 and row 15
4) Send string
CMD : ss, Parameter : Char String
Example: ss12345; -------------Send the char string to display in coordinate.
5) Set the cursor on/off
CMD su, Parameter: 0/1 [0: Set the cursor off, 1: Set the cursor on]
Example: su0; --------------Set the cursor off su1; --------------Set the cursor on
6) Set the cursor type
CMD sf, Parameter: 0/1 [0: Set the cursor blink off, 1: Set the cursor blink on]
Example: sf0; -------------- Set the cursor blink off sf1; -------------- Set the cursor blink on 7) Move the cursor
CMD sm, Parameter: 0/1 [0: Move the cursor left , 1: Move the cursor right]
Example: sm0; -------------- Move the cursor left sm1; -------------- Move the cursor right
3. Return message
O: OK, the mean is the command is correct and been done
E: Error, the mean is the command is error.
4. Command corresponding time
All the command corresponding time is < 50ms.
