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| Categories | COG LCD Module |
|---|---|
| Brand Name: | HOTHMI |
| Model Number: | HTG12848A |
| Place of Origin: | Dongguan, China |
| MOQ: | 2 |
| Payment Terms: | L/C, D/A, T/T, D/P, Western Union, MoneyGram |
| Supply Ability: | 99999 |
| Delivery Time: | 25 days |
| Product type: | COG |
| Show contents: | 128x48 |
| Outline size(mm): | 81.1x38.3x4.9 |
| Size of View Window(mm): | 75.3x28.3 |
| Display size(mm): | 66.52x24.92 |
| Point spacing(mm): | 0.48x0.48 |
| Visual angle: | 6H |
| Connection PIN Number: | 28PIN |
| Interface mode: | MCU/8bit |
| Working temperature ℃: | -20~70 |
| Power supply voltage: | 3.3V |
| Driver chip model: | UC1617S |
| Company Info. |
| Hotdisplay Technology Co.Ltd |
| View Contact Details |
| Product List |
HOTLCD 128x48 graphic Chip-On-Glass (COG) Liquid Crystal Display shows dark pixels on a gray background. This reflective LCD Display is visible with high ambient light while offering a wide operating temperature range from -20 to 70 degrees Celsius. This HTG12848A display has an optimal view of 6:00 and has STN-BLUE backlight. This display operates at 3.3V supply voltage and is RoHS compliant.
Product parameters
| ITEM | STANDARD VALUE | UNIT |
| Number of dots | 128x48 | dots |
| Module dimension | 81.1x38.3x4.9 | mm |
| View display area | 75.3x28.3 | mm |
| Dot size | 0.48x0.48 | mm |
| Dot pitch | 0.52x0.52 | mm |
| Operating temp | -20~70 | ℃ |
| Storage temp | -30~80 | ℃ |
| Driving Method | 1/ 128 DUTY,1/ 12 BIAS,VOP= 3.3V | |
| Viewing direction | 6H o'clock | |
| Display mode | STN-BLUE | |
| Display type | TRANSMISSIVE / NEGATIVE | |
| Driver IC | ST7565R-G | |
| Backlight | WHITE | |
| Product application | industrial control | |
| Pin No. | Pin Name | Function |
| 1 | VDD | Power supply |
2 | P/S | This pin configures the interface to be parallel mode or serial mode. P/S = “H”: Parallel data input/output. P/S = “L”: Serial data input. |
3 | C86 | This is the MPU interface selection pin. C86 = “H”: 6800 Series MPU interface. C86 = “L”: 8080 Series MPU interface. |
4~8 | V5~V1 | This is a multi-level power supply for the liquid crystal drive. The voltage Supply applied is determined by the liquid crystal cell, and is changed through the use of a resistive voltage divided or through changing the impedance using an op. amp. Voltage levels are determined based on Vss, and must maintain the relative magnitudes shown below. V1 ≧V2 ≧V3 ≧V4 ≧V5 |
| 9 | C2+ | When internal DC-DC voltage converter is used, external capacitor is connected between these pins. |
| 10 | C2- | |
| 11 | C1+ | |
| 12 | C1- | |
| 13 | C3+ | |
| 14 | VOUT | Positive voltage supply pin of the chip. |
| 15 | VSS | Negative power supply,0V |
| 16~23 | D7~D0 | 8bit Date bus, D7 : serial data input (SI) ; D6 : the serial clock input (SCL) |
24 | E | • When connected to 8080 series MPU, this pin is treated as the “/RD” signal of the 8080 MPU and is LOW-active. The data bus is in an output status when this signal is “L”. • When connected to 6800 series MPU, this pin is treated as the “E” signal of the 6800 MPU and is HIGH-active. This is the enable clock input terminal of the 6800 Series MPU. |
| 25 | R/W | When R/W = “H”: Read. When R/W = “L”: Write. |
26 | A0 | This is connect to the least significant bit of the normal MPU address bus, and it determines whether the data bits are data or command. A0 = “H”:Indicates that D0 to D7 are display data. A0 = “L”: Indicates that D0 to D7 are control data |
| 27 | /RES | Reset |
| 28 | /CS1 | Chip selection input |
All Products
| Reliability Testing | Customers can expect all production parts to meet or exceed operational requirements over temperature, humidity, and vibration. |
| Glass Cleanliness | Customers can expect glass to be protected by liners and presented mindful of cleanliness standards. This means glass will be clean of contaminants, fingerprints, and other foreign material. |
| Bezel Appearance | Bezels will be uniformly painted free of foreign materials and distracting cosmetic blemishes. Our standards maintain a clean scratch-free surface. |
| PCB Appearance | PCB’s are delivered with long-term reliability in mind. Finishes are free of bubbles, foreign contaminants, and meet all UL fire requirements. PCB materials will always be delivered within industry norms. PCB edges will be cleanly cut and void of burrs. |
| Soldering | Soldering of all leaded and SMT components is consistent in providing the mechanical security and electrical connectivity. |
| Consistency | Our manufacturing and inspection processes ensure product consistency from lot to lot. This means orders processed over the years will continually meet your expectations. We do this by exacting manufacturing specifications, with attention to detail in our processes, and by comparing to the golden units. |
| Product Integrity | Quality in product manufacturing ensures integrity in construction. Customers can expect tight assembly without worry of loose parts or missing material. Our products will meet all environmental expectations including temp, humidity, & vibration conditions. |
| Glass Color | While normal variations of glass color may occur (due to manufacturing tolerances), Newhaven Display maintains color compliance per internal approved color charts. These charts are maintained to ensure any minor glass deviations are identified and corrected as needed. |
| ESD Protection & Safety | All devices are designed and handled in consideration of ESD protection. This includes ESD-SAFE packaging within anti-static bags, wraps, and trays. Customers are reminded to always follow ESD safety to best protect the devices. |
Available in character and graphic formats, COG (Chip-On-Glass) LCD Displays are designed without a PCB. The LCD driver/controller is bonded directly to the glass of the display. This allows COG displays to be smaller in size, more cost effective and a highly customizable display solution compared to typical LCD modules with a board.
Adjust the length, position, and pinout of your cables or add additional connectors. Get a cable solution that’s precisely designed to make your connections streamlined and secure.
Easily modify any connectors on your display to meet your application’s requirements. Our engineers are able to perform soldering for pin headers, boxed headers, right angle headers, and any other connectors your display may require.
Choose from a wide selection of interface options or talk to our experts to select the best one for your project. We can incorporate HI, USB, SPI, VGA and more into your display to achieve your design goals.
Choose from a wide selection of changes including shape, size, pinout, and component layout of your PCB to make it a perfect fit for your application.
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