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產品敘述
WEO012864AK是一款2.7吋COG 128x64繪圖型OLED顯示器。此COG模組內建CH1116控制器IC可支援I2C、4線SPI、6800和8080並列介面；電源電壓典型值為 3V，顯示器電源電壓典型值為13V，驅動方式為1/64 duty。WEO012864AK系列有不同的ZIF FPC：我們提供22 pins、24 pins、30 pins和31 pins可選。如果您需要客製化FPC，歡迎隨時聯絡我們。
WEO012864AK非常適合智能家電、工控產品、智能設備、能源系統、物聯網系統、通信系統和醫療產品等。此模組工作溫度為-40℃至+ 80℃，儲存溫度為-40℃至+85℃。
規格圖
Data source ref:WEO012864AKWPP3N00G00
產品規格
Pin功能定義
| No. | 符號 | 功能說明 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NC(VSS) | No connection | |||||||||||||||
| 2 | VPP | OLED panel power supply. It could be supplied externally. A capacitor should be connected between this pad and VSS. |
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| 3 | VCOMH | This is a pad for the voltage output high level for common signals. A capacitor should be connected between this pad and VSS. |
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| 4 | IREF | This is a segment current reference pad. A resistor should be connected between this pad and VSS. Set the current at 18.75uA. | |||||||||||||||
| 5~12 | D7~D0 | This is an 8-bit bi-directional data bus that connects to an 8-bit or 16-bit standard MPU data bus. When the serial interface is selected, then D0 serves as the serial clock input pad (SCL) and D1 serves as the serial data input pad (SI). At this time, D2 to D7 are set to high impedance. When the I2C interface is selected, then D0 serves as the serial clock input pad (SCL) and D1 serves as the serial data input pad (SDAI). At this time, D2 to D7 are set to high impedance. |
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| 13 | E/RD# | This is a MPU interface input pad. When connected to an 8080 series MPU, it is active LOW. This pad is connected to the RD# signal of the 8080 series MPU, and the data bus is in an output status when this signal is “L”. When connected to a 6800 series MPU, this is active HIGH. This is used as an enable clock input of the 6800 series MPU. When RD# = “H”: Enable. When RD# = “L”: Disable. |
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| 14 | WR# (R/W#) |
This is a MPU interface input pad. When connected to an 8080 MPU, this is active LOW. This pad connects to the 8080 MPU WR# signal. The signals on the data bus are latched at the rising edge of the WR# signal. When connected to a 6800 Series MPU: This is the read/write control signal input terminal. When R/W#= “H”: Read. When R/W#= “L”: Write. |
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| 15 | A0 | This is the Data/Command control pad that determines whether the data bits are data or a command. A0 = “H”: the inputs at D0 to D7 are treated as display data. A0 = “L”: the inputs at D0 to D7 are transferred to the command registers. In I2C interface, this pad serves as SA0 to distinguish the different address of OLED driver. |
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| 16 | RES# | This is a reset signal input pad. When RES# is set to “L”, the settings are initialized. The reset operation is performed by the RES# signal level. | |||||||||||||||
| 17 | CS# | This pad is the chip select input. When CS# = “L”, then the chip select becomes active, and data/command I/O is enabled. | |||||||||||||||
| 18 | NC | No connection | |||||||||||||||
| 19 | IM2 | These are the MPU interface mode select pads.
(1) 0 is connected to VSS (2) 1 is connected to VDD1 |
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| 20 | IM1 | ||||||||||||||||
| 21 | VDD1 | Power supply input | |||||||||||||||
| 22~28 | NC | No connection | |||||||||||||||
| 29 | VSS | Ground. | |||||||||||||||
| 30 | NC(VSS) | No connection |
規格說明
| 項目 | 規格說明 | 單位 |
|---|---|---|
| 點陣(解析度) | 128 × 64 | － |
| 模組尺寸 | 73.0 × 41.86 × 2.01 | mm |
| 有效區域 | 61.41 × 30.69 | mm |
| 像素大小 | 0.45 × 0.45 | mm |
| 像素間距 | 0.48 × 0.48 | mm |
| 顯示模式 | Passive Matrix 被動矩陣 | |
| 顯示顏色 | 單色 | |
| 驅動方式 | 1/64 Duty | |
| IC | CH1116 | |
| 介面 | 6800,8080,4-Wire SPI,I2C | |
| 尺寸 | 2.7 吋 | |
最大絕對額定值
| 參數 | 符號 | 最小值 | 最大值 | 單位 |
|---|---|---|---|---|
| 邏輯電源電壓 | VDD | -0.3 | 3.6 | V |
| 顯示電源電壓 | VCC | 0 | 14.5 | V |
| 工作溫度 | TOP | -40 | +80 | °C |
| 儲存溫度 | TSTG | -40 | +85 | °C |
電氣特性
| 項目 | 符號 | 條件 | 最小值 | 典型值 | 最大值 | 單位 |
|---|---|---|---|---|---|---|
| 邏輯電源電壓 | VDD1 | － | 1.65 | 3.0 | 3.3 | V |
| 顯示電源電壓 | VPP | － | 6.4 | 13.0 | 13.5 | V |
| 輸入高準位 | VIH | － | 0.8×VDD1 | － | VDD1 | V |
| 輸入低準位 | VIL | － | VSS | － | 0.2×VDD1 | V |
| 輸出高準位 | VOH | － | 0.8×VDD1 | － | VDD1 | V |
| 書出低準位 | VOL | － | VSS | － | 0.2×VDD1 | V |
| Display 50% Pixel on | IPP | VPP =13V | － | 15 | 30 | mA |
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