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Brand Name : HOTHMI
Model Number : HTG12832F-3
Place of Origin : Dongguan, China
MOQ : 2
Payment Terms : L/C, D/A, T/T, D/P, Western Union, MoneyGram
Delivery Time : 25 days
Product type : COG
Show contents : 128x32 dots
Outline size(mm) : 63.0x27.5x2.0
Size of View Window(mm) : 59.0x17.5
Display size(mm) : 56.033*14.526
Point spacing(mm) : 0.438*0.455
Visual angle : 6H o'clock
Backlight type or brightness : WHITE
Connection PIN Number : FPC-28PIN
Interface mode : MCU/8bit
Working temperature : -20~70℃
Power supply voltage : 3.3v
Driver chip model : ST7565R
128X32 Graphic COG LCD ST7565R | FSTN + Display With GRAY Backlight/HTG12832F-3
DESCRIPTION
 HTG12832F-3 is a 128x64 COG monochrome Graphic LCD module. This LCD module is built in with ST7565R controller or equivalent IC. It supports 6800 8-bit, 8080 8-bit parallel and SPI interface. This LCD module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃. This LCD COG 128x64 display is very suitable for the applications that demand more compact package displays.
Product parameters
| ITEM | STANDARD VALUE | UNIT | 
| Number of dots | 128x32 DOTS | ---- | 
| Module dimension | 63.0x27.5x2.0 | mm | 
| View display area | 59.0x17.5 | mm | 
| Dot size | 0.424x0.407 | mm | 
| Dot pitch | 0.438x0.455 | mm | 
| Operating temp | -20~70 | ℃ | 
| Storage temp | -30~80 | ℃ | 
| Driving Method | 1/ 128 DUTY,1/ 12 BIAS,VOP= 3.3V | |
| Viewing direction | 6 O’CLOCK | |
| Display mode | FSTN | |
| Display type | TRANSMISSIVE / NEGATIVE | |
| Driver IC | ST7565R | |
| Backlight | WHITE | |
Pin_SIGNAL
| Pin No. | Pin Name | Function | 
| 1 | VDD | Power supply | 
| 
 2 | C86 | This is the MPU interface selection pin. C86 = “H”: 6800 Series MPU interface. C86 = “L”: 8080 Series MPU interface. | 
| 3 | VSS | Power supply (Negative) | 
| 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, | 
| 
 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 input pin | 
| 28 | /CS1 | Chip selection input | 
Absolute Maximum Ratings
| Items | Symbol | MIN. | MAX. | Unit | Condition | 
| Supply Voltage | VDD | -0.3 | +3.6 | V | VSS = 0V | 
| Input Voltage | VIN | -0.3 | VDD+0.3 | V | VSS = 0V | 
| Operating Temperature | TOP | -20 | +70 | ℃ | No Condensation | 
| Storage Temperature | Tst | -30 | +80 | ℃ | No Condensation | 
Electrical Characteristics








| Items | Symbol | MIN. | TYP. | MAX. | Unit | Condition | 
| Operating Voltage | VDD | 3.0 | 3.3 | 3.6 | V | VDD | 
| Input High Voltage | VIH | 0.8 x VDD | - | VDD | V | /CS1,/RES,A0,E , R/W,D0~D7,C86 | 
| Input Low Voltage | VIL | VSS | - | 0.2 x VDD | V | |
| Output High Voltage | VOH | 0.8 x VDD | - | VDD | V | D0~D7 | 
| Output Low Voltage | VOL | VSS | - | 0.2 x VDD | V | D0~D7 | 
| Operation Current | Iop | 100 | - | 220 | μA | VDD=3.0V | 
| Sleep mode | lDD | - | 0.1 | 4 | μA | Ta=25℃ | 
| Standby mode | lDD | - | 5 | 10 | μA | Ta=25℃ | 
LED Backlight Circuit
| Items | Symbol | MIN. | TYP. | MAX. | Unit | Condition | 
| Forword Voltage | Vf BLA | - | 3.1 | - | V | VDD | 
| Forword Current | If BLA | - | 90 | 95 | mA | VDD | 
|   | 
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