Graphic LCD Module CM12864
Add Product to FavoritesProduct Details:
| Place of Origin | Hong Kong |
|---|---|
| Brand Name | CM |
| Model Number | CM12864-2 |
| Type | STN |
| COLOR BACKLIGHT | (LED)KELLY,BLUE,WHITE,RED |
Payment & Shipping Terms:
| Minimum Order Quantity: | 100 Piece/Pieces |
|---|---|
| Port: | Shenzhen Factory |
| Delivery Time: | 7-10days |
| Payment Terms: | Cash or advanced payment |
| Supply Ability: | 80000 Piece/Pieces per Month |
Detailed Product Description
Graphic LCD moduleCM12864
Graphic STN Dot Matrix LCD Module CM12864-2
CM12864-2 is a dot matrix liquid crystal graphic display systems,it can display 128×64 dots in all.Also can display 8×4 (16×16 dots a word)Chinese words.
Main Technologic and Ability
1.POWER SUPPLY:VDD+5V;The Module can supply -9V by itself,which is used for the Voltage of LCD driver.
2.Display Dot:128(column)×64(row) ;
3.Full Screen of Dots ;
4.Seven commands;
5.Interface with 8-bit parallel bus(directly connected to MPU);
6.Display Duty 1/64;
7.Operating Temp:-10oC~+55oC,Storage Temp-20oC~+70oC;
8.DISPLAY MODE:Y-G,Blue,White&Black;
9.Backlight Color(LED)Y-G,BLUE,WHITE,RED;
10.ENCAPSULATION:COB;
11.Viewing Direction6:00;
12.COSTsupply nagative voltage by itself;
External Dimension
ITEM | NOMINAL DIMEN | UNIT |
Module product | 93×70×9/14 | mm |
visual threshold | 70.8×38.8 | mm |
Column and Row | 128×64 | dots |
Dot pitch | 0.04×0.04 | mm |
Dot size | 0.48×0.48 | mm |
Pin assignment
Pin NO. | NAME | LEVEL | Function Description |
1 | VSS | 0 | Power Ground |
2 | VDD | 5.0V | Power Supply |
3 | V0 | -6V-10V | Voltage for LCD |
4 | D/I | H/L | D/I=H, DB7DB0 is display DATA D/I=L, DB7DB0 is command |
5 | R/W | H/L | R/W=H,E=Hdata is read to DB7DB0 R/W=L,E=H→Ldata is written to IC |
6 | E | H/L | R/W=L, DB7DB0 is locked at its falling edge.R/W=H,E=HDDRAM data is read to DB7DB0 |
7 | DB0 | H/L | DATA BUS |
8 | DB1 | H/L | DATA BUS |
9 | DB2 | H/L | DATA BUS |
10 | DB3 | H/L | DATA BUS |
11 | DB4 | H/L | DATA BUS |
12 | DB5 | H/L | DATA BUS |
13 | DB6 | H/L | DATA BUS |
14 | DB7 | H/L | DATA BUS |
15 | CS1 | H/L | H:Chip Selection for IC1 |
16 | CS2 | H/L | H:Chip Selection for IC2 |
17 | RET | H/L | Chip Reset signal |
18 | VEE | -10V | Negative Voltage for LCD driver |
19 | LED+ | 5V | Anode of LED Unit |
20 | LED- | - | Cathode of LED Unit |
5Display Control Instructions
TABLE 3
Instruction | Code of Instruction | Functions | ||||||||||
| RW | DI | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 | ||
Display ON/OFF | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1/0 | Control the display on or off.Internal status and display RAM data is not affected. | |
Display Start Line | 0 | 0 | 1 | 1 | Display Start Line 063 | Indicates the display data RAM displayed at the top Of the screen. | ||||||
Set Page (X address) | 0 | 0 | 1 | 0 | 1 | 1 | 1 | X07 | Sets the X address at the X address resgister. | |||
Set Address (Y Address) | 0 | 0 | 0 | 1 | Y address(0~63) | Sets the Y address in the Y address counter. | ||||||
Status Read | 1 | 0 | B U S Y | 0 | ON/ OFF | RST | 0 | 0 | 0 | 0 | RST 1:RESET 0Normal ON/OFF 1:Display on 0:Display off BUSY 0READY 1IN OPERATION | |
Write display data | 0 | 1 | Display Data | Write data DB7~DB0 to DDRAM | ||||||||
Read display data | 1 | 1 | Display Data | Read data DB7~DB0 to DDRAM | ||||||||
Graphic LCD Module CM12864
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