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产品叙述
WEO012864AJ是一款2.42寸COG绘图型OLED显示器，分辨率为128x64像素。此COG模块内建CH1116控制器IC可支持I2C、4线SPI、6800和8080并列接口；电源电压典型值为3V，显示器电源电压典型值为13V，驱动方式为1/64 duty。WEO12864AJ系列有ZIF FPC和Hotbar FPC版本可选。
WEO012864AJ 非常适合智能家电，POS系统、云端/物联网系统、智能设备、能源系统、通信系统、医疗产品等。此模块工作温度为-40℃至+ 80℃，储存温度为-40℃至+85℃。
规格图
Data source ref:WEO012864AJWPP3N00000
产品规格
Pin功能定义
| No. | 符号 | 功能说明 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NC(GND) | No connection | |||||||||||||||
| 2 | VSS | Ground. | |||||||||||||||
| 3-10 | NC | No connection | |||||||||||||||
| 11 | VDD1 | Power supply input | |||||||||||||||
| 12 | IM1 | These are the MPU interface mode select pads.
(1) 0 is connected to VSS (2) 1 is connected to VDD1 |
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| 13 | IM2 | ||||||||||||||||
| 14 | NC | No connection | |||||||||||||||
| 15 | CS# | This pad is the chip select input. When CS# = “L”, then the chip select becomes active, and data/command I/O is enabled. | |||||||||||||||
| 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 | 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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| 18 | 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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| 19 | 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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| 20~27 | D0~D7 | 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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| 28 | IREF | This is a segment current reference pad. A resistor should be connected between this pad and VSS. Set the current at 18.75uA. | |||||||||||||||
| 29 | 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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| 30 | VPP | OLED panel power supply. It could be supplied externally. A capacitor should be connected between this pad and VSS. |
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| 31 | NC(GND) | No connection |
规格说明
| 项目 | 规格说明 | 单位 |
|---|---|---|
| 点阵(分辨率) | 128 x 64 | － |
| 模块尺寸 | 60.5 × 37.0 × 2.11 | mm |
| 有效区域 | 55.01 × 27.49 | mm |
| 像素大小 | 0.40 × 0.40 | mm |
| 像素间距 | 0.43 × 0.43 | mm |
| 显示模式 | Passive Matrix 被动矩阵 | |
| 显示颜色 | 单色 | |
| 驱动方式 | 1/64 Duty | |
| IC | CH1116 | |
| 接口 | I2C,4-line SPI,8-bits 6800 或 8080 parallel | |
| 尺寸 | 2.42 寸 | |
最大绝对额定值
| 参数 | 符号 | 最小值 | 最大值 | 单位 |
|---|---|---|---|---|
| 逻辑电源电压 | VDD | -0.3 | 3.6 | V |
| 显示电源电压 | VCC | 0 | 14.5 | V |
| 工作温度 | TOP | -40 | +80 | °C |
| 储存温度 | TSTG | -40 | +85 | °C |
电气特性
| 项目 | 符号 | 条件 | 最小值 | 典型值 | 最大值 | 单位 |
|---|---|---|---|---|---|---|
| 逻辑电源电压 | VDD1 | － | 1.65 | 3.0 | 3.3 | V |
| 显示电源电压 | VPP | － | 6.4 | 13.0 | 13.5 | V |
| 输入高准位 | VIH | － | 0.8×VDD1 | － | VDD1 | V |
| 输入低准位 | VIL | － | VSS | － | 0.2×VDD1 | V |
| 输出高准位 | VOH | － | 0.8×VDD1 | － | VDD1 | V |
| 书出低准位 | VOL | － | VSS | － | 0.2×VDD1 | V |
| Display 50% Pixel on | IPP | VPP =13V | － | 15 | 30 | mA |
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