产品叙述
WO128128B是一款单色绘图型COG LCD液晶显示模块，显示由128x128点阵组成，外观尺寸为68.0 x 72.0(mm)，AA区尺寸为55.01 x 55.01(mm)。此模块内建采用ST75161 IC，支持6800/8080/SPI/I2C接口，并以3.3V电压驱动，1/12 Bias特性。
此款模块的工作温度范围为-20℃至+70℃，储存温度范围为-30℃至+80℃。
规格图
Data source ref： WO128128B-TFH#
产品规格
Pin功能定义
| Pin No. | 符号 | 说明 |
|---|---|---|
| 1 | ESD GND | ESD Ground |
| 2 | VG | VG is the power of SEG-drivers. |
| 3 | V0 | Positive operating voltage of COM-drivers. |
| 4 | XV0 | Negative operating voltage of COM-drivers. |
| 5 | CA1P | DC/DC voltage converter |
| 6 | CA1N | |
| 7 | VDD | Power supply |
| 8 | VSS | Ground |
| 9 | COMSCN | Set scan direction of COM. |
| 10 | IF2 | These pins select interface operation mode. |
| 11 | IF1 | |
| 12 | IF0 | |
| 13 | CSB | Chip select input pin. |
| 14 | A0 | It determines whether the access is related to data or command. |
| 15 | ERD | Read / Write execution control pin. |
| 16 | RWR | Read / Write execution control pin. |
| 17-24 | RSTB | Hardware reset input pin |
| 25 | ERD | When using 8-bit parallel interface: 8080 or 6800 mode:8 bit bi-directional data bus When using serial interface : 4-line SPI or 3-line SPI mode D[7:4] : fix to “H” by VDD1. D[3:1] : serial input/output data (SDA). D[0] : serial input clock (SCL). D1 to D3 must be connected together (SDA) When using serial interface : I2C interface D[7] : SA[1], I2C slave address bit. Must be connected to VDD1 or VSS1. D[6] : SA[0], I2C slave address bit. Must be connected to VDD1 or VSS1. D[5:4] : fix to “H” by VDD1. D[3:2] : SDA_OUT, serial data and acknowledge output for the I2C interface. D[1] : SDA_IN, serial input data D[0] : SCL, serial input clock . D1 to D3 must be connected together (SDA) CSB must be fixed to “L” by VSS1. |
| 26 | A | Anode input for LED backlight. |
| 27 | K | Cathode input for LED backlight |
| 28 | ESD GND | ESD Ground |
规格说明
| 项目 | 规格 | 单位 |
|---|---|---|
| 点阵(分辨率) | 128 x 128 | － |
| 模块尺寸 | 68.0 x 72.0 x 6.5 | mm |
| 检视区域 | 62.0 x 62.0 | mm |
| 有效区域 | 55.01 x 55.01 | mm |
| 点大小 | 0.4 x 0.4 | mm |
| 点间距 | 0.43 x 0.43 | mm |
| 驱动方式 | 1/128 DUTY,1/12 BIAS | |
| 背光类型 | LED | |
| IC | ST75161 | |
| 接口 | 6800/8080/3/4-Line SPI/I2C | |
最大绝对额定值
| 项目 | 符号 | 最小值 | 典型值 | 最大值 | 单位 |
|---|---|---|---|---|---|
| 工作温度 | TOP | -20 | - | +70 | ℃ |
| 储存温度 | TST | -30 | - | +80 | ℃ |
| 电源电压 | VDD | -0.3 | - | 4.0 | V |
| LCD供电电压 | V0-XV0 | -0.3 | - | 19 | V |
| 输入电压 | VIN | -0.3 | - | VDD+0.3 | V |
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 | VDD-VSS | - | 3.0 | 3.3 | 3.6 | V |
| LCD供电电压 | VOP | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 14.8 － |
－ 15.1 － |
－ 15.4 － |
V V V |
| 输入高电压 | VIH | - | 0.7 VDD | - | VDD | V |
| 输入低电压 | VIL | - | Vss | - | 0.3 VDD | V |
| 输出高电压 | VOH | - | 0.8 VDD | - | VDD | V |
| 输出低电压 | VOL | - | Vss | - | 0.2 VDD | V |
| 供电电流 | IDD | VDD=3.3V | - | - | 2.5 | mA |
