مدل شماره WO12864L
◄COG LCD 128×64
◄LCD گرافیکی
◄کنترلگر ST7567A
◄منبع انرژی 3V
◄کار 1/65, انحراف 1/9
◄رابط: SPI / I2C
شرح
Below is the comparison of circuit designs of WO12864L and WO12864A1. For new designs, WO12864L is a bettter choice.
WO12864L-TFH# | WO12864A1-TFH# |
طراحی
Data source ref: WO12864L-TFH#
مشخصات
عملکرد پین رابط
Pin No. | نماد | شرح | ||||||
---|---|---|---|---|---|---|---|---|
1 | ESD | ESD | ||||||
2 | SI2 | SI2 selects the interface type: I2C serial interface or not
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3 | VG | VG is the LCD driving voltage for segment circuits | ||||||
4 | XV0 | XV0 is the LCD driving voltage for common circuits at positive frame. | ||||||
5 | V0 | V0 is the LCD driving voltage for common circuits at negative frame. | ||||||
6 | VSS | GROUND | ||||||
7 | VDD | POWER | ||||||
8 | SDA | D[1:3] must be connected together as SDA. D[4:7]=(1,1,1,1): ID Pin. D[4:7] should fix to “H” or “L” by VDDH or VSSL. |
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9 | SCL | |||||||
10 | A0 | It determines whether the access is related to data or command. A0=“H” : Indicates that signals on D[7:0] are display data. A0=“L” : Indicates that signals on D[7:0] are command. |
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11 | RSTB | Hardware reset input pin. When RSTB is “L”, internal initialization is executed and the internal registers will be initialized. | ||||||
12 | CSB | Chip select input pin. Interface access is enabled when CSB is “L”. When CSB is non-active (CSB=“H”), D[7:0] pins are high impedance. |
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13 | ESD | ESD |
مشخصات عمومی
مورد | ابعاد | واحد |
---|---|---|
وضوح | 128 x 64 | — |
ابعاد ماژول | 60.10 x 44.50 x 5.01(Max) | mm |
ناحیه در حال نمایش | 54.6 x 32.0 | mm |
ناحیه فعال | 49.89 x 27.49 | mm |
اندازه نقطه | 0.36 x 0.40 | mm |
درجه نقطه | 0.39 x 0.43 | mm |
کار | 1/65 DUTY, 1/9BIAS | |
نوع نور پسزمینه | LED | |
IC | ST7567A (SPI & I2C) |
بیشینه مقادیر مجاز مطلق
مورد | نماد | مقدار حداقل | مقدار معمول | مقدار حداکثر | واحد |
---|---|---|---|---|---|
دمای عملیاتی | TOP | -20 | - | +70 | ℃ |
دمای بستهبندی | TST | -30 | - | +80 | ℃ |
Input Voltage | VI | -0.3 | - | VDD+0.3 | V |
Digital Power Supply Voltage | VDD-Vss | -0.3 | - | 4.0 | V |
LCD Power supply voltage | V0-XV0 | -0.3 | - | 18.0 | V |
مشخصات الکترونیکی
مورد | نماد | وضعیت | مقدار حداقل | مقدار معمول | مقدار حداکثر | واحد |
---|---|---|---|---|---|---|
Supply Voltage For Logic | VDD-VSS | - | 2.9 | 3.0 | 3.1 | V |
Supply Voltage For LCD | VOP | Ta=-20℃ Ta=25℃ Ta=70℃ |
- 9.3 - |
- 9.5 - |
- 9.7 - |
V V V |
Input High Volt. | VIH | - | 0.7VDD | - | VDD | V |
Input Low Volt. | VIL | - | VSS | - | 0.3VDD | V |
Supply Current | IDD | - | 2.0 | mA |