WF0154ATAAA4DSN0 是一款正方形TFT LCD顯示器，對角線尺寸1.54吋，解析度240x240像素。採用IPS面板具有更高對比度和更寬廣視角特性，視角左:80/右:80/上:80/下:80度(典型值)，對比度900:1(典型值)，亮度380 nits(典型值)，表面採用防眩光。
此款正方形TFT顯示器使用ST7789T3-G4-1驅動IC，支援SPI傳輸介面。類比電源電壓為2.4V~3.3V，典型值為2.8V。模組工作溫度範圍-10℃~+60℃，儲存溫度範圍-20℃~+70℃。此款1.54吋方形TFT模組尺寸非常適合無線麥克風接收器、咖啡電子秤、脈搏血氧計等應用。
| Pin No. | 符號 | 功能說明 |
|---|---|---|
| 1 | GND | Ground. |
| 2 | IOVCC | Power Supply for I/O System |
| 3 | CS | Chip selection pin |
| 4 | RESET | This signal will reset the device |
| 5 | RS | Display data/command selection pin in 4-line serial interface |
| 6 | GND | Ground. |
| 7 | SCL | This pin is used to be serial interface clock |
| 8 | SDA | SPI interface input/output pin |
| 9 | GND | Ground. |
| 10 | VDD | Power Supply for Analog |
| 11 | FMARK | Tearing effect signal is used to synchronize MCU to frame memory writing. |
| 12 | VLED- | Power Supply For LED Backlight Cathode Input |
| 13 | VLED- | Power Supply For LED Backlight Cathode Input. |
| 14 | VLED+ | Power Supply For LED Backlight Anode Input. |
| 15 | VLED+ | Power Supply For LED Backlight Anode Input. |
| 項目 | 規格 | 單位 |
|---|---|---|
| 尺寸(對角線) | 1.54 | 吋 |
| 點陣(解析度) | 240 × RGB × 240 | dots |
| 模組尺寸 | 31.52 × 33.72 × 1.94 | mm |
| 有效區域 | 27.72 × 27.72 | mm |
| 像素間距 | 0.1155 × 0.1155 | mm |
| LCD類型 | TFT全透 | |
| 視角 | 80/80/80/80 | |
| 背光類型 | LED, 白色 | |
| 驅動IC | ST7789T3-G4-1 | |
| TFT 介面 | SPI | |
| 觸控面板 | 無觸控面板 | |
| 表面 | 防眩光 | |
| 項目 | 符號 | 最小值 | 典型值 | 最大值 | 單位 |
|---|---|---|---|---|---|
| 工作溫度 | TOP | -10 | － | +60 | ℃ |
| 儲存溫度 | TST | -20 | － | +70 | ℃ |
| 參數 | 符號 | 標準值 | 單位 | ||
|---|---|---|---|---|---|
| 最小值 | 典型值 | 最大值 | |||
| 類比電源電壓 | VDD | 2.4 | 2.8 | 3.3 | V |
| I/O系統電源 | IOVCC | 1.65 | 1.8 | 3.3 | V |
| LCD輸入高電壓 | VIH | 0.7 IOVCC | - | IOVCC | V |
| LCD輸入低電壓 | VIL | GND | - | 0.3 IOVCC | mA |
| LCD輸出高電壓 | VoH | 0.8 IOVCC | - | IOVCC | mA |
| LCD輸出低電壓 | VoL | GND | - | 0.2 IOVCC | W |
| (Panel+LSI) 耗電量 | Black Mode | - | 6.0 | - | mA |
| Sleeping Mode | - | 0.015 | - | mA | |
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