Hotdisplay Technology Co.Ltd
LCD Display Module Manufacturer & Supplier SINCE 2004
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128X32 Graphic COG LCD ST7567 | STN + Display With White Backlight/HTG12832L
Product parameters
| ITEM | STANDARD VALUE | UNIT |
| Number of dots | 128x32 DOTS | ---- |
| Module dimension | 36.5*19.9*3.3 | mm |
| View display area | 32.0*10.1 | mm |
| Dot size | 0.265x0.232 | mm |
| Dot pitch | 0.235*0.202 | 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 | STN | |
| Display type | TRANSMISSIVE / NEGATIVE | |
| Driver IC | ST7567 | |
| Backlight | WHITE | |
Pin_SIGNAL
| Pin No. | Pin Name | Function |
| 1 | /CS1 | Chip selection input |
| 2 | /RES | Reset |
| 3 | A0 | Data/Command control |
| 4 | /WR | Write (/WR ) control signal input. |
| 5 | /RD | Read (/RD ) control signal input. |
| 6~13 | DB0-DB7 | 8bit Date bus |
| 14 | VSS | Negative power supply,0V |
| 15-16 | NC | NC |
| 17~18 | V0,XV0 | When internal DC-DC voltage converter is used, external capacitor is connected between these pins. |
| 19~20 | NC | NC |
| 21 | VG | LCD driving voltages. |
| 26 | C86 | MPU interface selection pin |
| 27 | P/S | Parallel data input/serial data input switch terminal |
| 28 | VDD | Power supply voltage (Positive) |
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 Circui
| Items | Symbol | MIN. | TYP. | MAX. | Unit | Condition |
| Forword Voltage | Vf BLA | - | 3.0 | - | V | VDD |
| Forword Current | If BLA | - | 10 | 15 | mA | VDD |
