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產品敘述
WO12864H 為一款2.93 吋 128x64 STN COG LCD 顯示器，採用 ST7567 控制 IC，提供 6800、8080 或 4-line SPI 介面版本可供選擇。
模組尺寸為 80.0 x 54.0 x 9.5 mm，檢視區域為 70.7 x 38.8 mm，有效區域為 66.52 x 33.24 mm。顯示器採用 1/65 Duty 與 1/9 Bias 驅動方式，支援 3.0 V 至 3.6 V 邏輯電源。
操作溫度範圍為 -20°C 至 +70°C，儲存溫度範圍為 -30°C 至 +80°C，適用於工業控制設備、量測儀器、醫療設備、手持式裝置及各類嵌入式顯示應用。
規格圖
Data source ref:WO12864H-TFH#
產品規格
規格說明
| 項目 | 標準尺寸 | 單位 |
|---|---|---|
| 點陣數 | 128 x 64 | － |
| 模組尺寸 | 80.0 x 54.0 x 9.5 | mm |
| 檢視區域 | 70.7 x 38.8 | mm |
| 有效區域 | 66.52 x 33.24 | mm |
| 點大小 | 0.48 x 0.48 | mm |
| 點間距 | 0.52 x 0.52 | mm |
| 驅動方式 | 1/65 , 1/9 Bias | |
| 背光類型 | LED | |
| IC | ST7567 | |
| 介面 | 6800/8080/4-Line SPI | |
最大絕對額定值
| 項目 | 符號 | 最小值 | 典型值 | 最大值 | 單位 |
|---|---|---|---|---|---|
| 工作溫度 | TOP | -20 | － | +70 | ℃ |
| 儲存溫度 | TST | -30 | － | +80 | ℃ |
| 輸入電壓 | VI | -0.3 | － | VDD+0.3 | V |
| 數位電源電壓 | VDD,VSS | -0.3 | － | 3.6 | V |
| LCD供電電壓 | V0-XV0 | -0.3 | － | 16 | V |
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 | VDD-VSS | － | 3.0 | 3.3 | 3.6 | V |
| LCM電源電壓 | XV0-V0 | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ － － |
－ 10.0 － |
－ － － |
V V V |
| 輸入高電壓 | VIH | － | 0.7 VDD | － | VDD | V |
| 輸入低電壓 | VIL | － | VSS | － | 0.3VDD | V |
| 輸出高電壓 | VOH | － | 0.8VDD | － | VDD | V |
| 輸出低電壓 | VOL | － | VSS | － | 0.2VDD | V |
| 電源電流（不包括LED背光） | IDD | VDD=3.3V | － | 2.0 | － | mA |
Pin功能定義
| Pin No. | 符號 | Level | 說明 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | PSB | I | PSB selects the interface type: Serial or Parallel. | ||||||||||||
| 2 | C86 | I | C86 selects the microprocessor type in parallel interface mode.
|
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| 3 | VG | Power | VG is the LCD driving voltage for segment circuits. | ||||||||||||
| 4 | XV0 | Power | XV0 is the LCD driving voltage for common circuits at positive frame. | ||||||||||||
| 5 | V0 | Power | V0 is the LCD driving voltage for common circuits at negative frame. | ||||||||||||
| 6 | VSS | Power | This is a 0V terminal connected to the system GND. | ||||||||||||
| 7 | VDD | Power | Shared with the MPU power supply terminal VDD. ( 3.3 V ) | ||||||||||||
| 8-15 | D7-D0 | I/O | When using 8-bit parallel interface: (6800 or 8080 mode) 8-bit bi-directional data bus. Connect to the data bus of 8-bit microprocessor. When CSB is non-active (CSB=“H”), D[7:0] pins are high impedance. |
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| I | When using serial interface: 4-LINE D7=SDA : Serial data input. D6=SCL : Serial clock input. D[5:0] are not used and should connect to “H” by VDD1 or VDDH. When CSB is non-active (CSB=“H”), D[7:0] pins are high impedance. |
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| 16 | ERD | I | Read/Write execution control pin. When PSB is “H”,
ERD is not used in serial interface and should fix to “H” by VDD1 or VDDH. |
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| 17 | RWR | I | Read/Write execution control pin. When PSB is “H”,
RWR is not used in serial interface and should fix to “H” by VDD1 or VDDH. |
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| 18 | A0 | I | 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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| 19 | RSTB | I | Hardware reset input pin. When RSTB is “L”, internal initialization is executed and the internal registers will be initialized. | ||||||||||||
| 20 | CSB | I | 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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