电子说
在电子设备的设计中,显示模块是至关重要的组成部分。今天,我们就来深入了解一下Newhaven Display International公司的NHD-10.1-1024600AF-ASXV#-CTP TFT彩色液晶显示模块。
文件下载:NHD-10.1-1024600AF-ASXV#-CTP.pdf
NHD-10.1-1024600AF-ASXV#-CTP是一款10.1英寸的TFT彩色液晶显示模块,具有1024xRGBx600的分辨率,采用RGB接口,支持262K颜色显示。它配备了高亮度的白色LED背光,具备宽视角特性,还集成了带控制器的电容式触摸屏,支持10点多点触摸输入和手势操作,如缩放、上下左右滑动等。
具备1024xRGBx600的分辨率,能够呈现清晰、细腻的图像和文字,满足大多数应用场景的需求。
内置LED驱动器,支持PWM亮度控制,可以根据实际需求调整背光亮度,既节能又能提供舒适的视觉体验。
采用RGB接口,能够传输丰富的色彩信息,实现262K颜色显示,色彩鲜艳、逼真。
拥有宽视角特性,从不同角度观看屏幕,都能获得清晰、无失真的图像,方便多人共享观看。
集成了带控制器的电容式触摸屏,支持10点多点触摸输入和手势操作,如缩放、上下左右滑动等,操作灵活便捷。
| Pin No. | Symbol | Connection | Function Description |
|---|---|---|---|
| 1 | LED_GND | Power Supply | Ground for Backlight Driver |
| 2 - 4 | LED_VDD | Power Supply | Supply Voltage for Backlight Driver |
| 5 | LED_PWM | MPU | Backlight PWM Signal Input |
| 6 | LED_EN | MPU | Backlight Enable H: Backlight On; L: Backlight Off |
| 7 | GND | Power Supply | Ground |
| 8 | VDD | Power Supply | Supply voltage for LCD (+3.3V) |
| 9 - 16 | [R0 - R7] | MPU | Red Data Signals |
| 17 - 24 | [G0 - G7] | MPU | Green Data Signals |
| 25 - 32 | [B0 - B7] | MPU | Blue Data Signals |
| 33 | GND | Power Supply | Ground |
| 34 | DCLK | MPU | Dot data Clock |
| 35 | HSYNC | MPU | Horizontal sync input |
| 36 | VSYNC | MPU | Vertical sync input |
| 37 | DEN | MPU | Data Enable signal |
| 38 | MODE | MPU | DE/SYNC mode select MODE = H: DE mode MODE = L: SYNC mode |
| 39 | /RESET | MPU | Active Low Reset Signal |
| 40 | /STBYB | MPU | Active Low Standby Signal |
LCD连接器为0.5mm间距的40导体FFC,推荐使用40 POS FFC,Molex P/N: 15020 - 0435。
| Pin No. | Symbol | External Connection | Function Description |
|---|---|---|---|
| 1 | VDD | Power Supply | Power Supply (3.3V) |
| 2 | GND | Power Supply | Ground |
| 3 | SCL | MPU | Serial I2C Clock (Requires pull - up resistor) |
| 4 | SDA | MPU | Serial I2C Data (Requires pull - up resistor) |
| 5 | /INT | MPU | Interrupt signal from touch panel module to host |
| 6 | /RESET | MPU | Active LOW Reset signal. |
推荐使用1.0mm间距的6导体FFC,Molex p/n: 52271 - 0679。
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| Operating Temperature Range | TOP | Absolute Max | 0 | - | +50 | ⁰C |
| Storage Temperature Range | TST | Absolute Max | -20 | - | +60 | ⁰C |
| Supply Voltage for LCD | VDD | - | 3.0 | 3.3 | 3.6 | V |
| Supply Current for LCD | IDD | VDD = 3.3V | 50 | 120 | 180 | mA |
| “H” Level Input | VIH | - | 0.7 * VDD | - | VDD | V |
| “L” Level Input | VIL | - | GND | - | 0.3 * VDD | V |
| “H” Level Output | VOH | - | VDD - 0.4 | - | VDD | V |
| “L” Level Output | VOL | - | GND | - | GND + 0.4 | V |
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage for Backlight Driver | LED_VDD | - | 5.0 | 12.0 | 22.4 | V |
| Supply Current for Backlight Driver | LED_IDD | - | 0.16 | 0.36 | 1.2 | A |
| LED Forward Current | IF | - | 150 | 180 | 210 | mA |
| LED Forward Voltage | VF | IF = 180 mA | 19.2 | 22.4 | 24.0 | V |
| Backlight Enable Voltage | LED_EN | - | 2.5 | 3.3 | 5.5 | V |
| Backlight PWM Voltage | LED_PWM | IPWM ≤ 5 mA | 2.5 | 3.3 | 5.5 | V |
| Backlight Lifetime* | - | LED_IDD = 700mA TOP = 25°C | 20,000 | 50,000 | - | Hrs. |
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| Operating Temperature Range | TOP | Absolute Max | -20 | - | +70 | ⁰C |
| Storage Temperature Range | TST | Absolute Max | -30 | - | +80 | ⁰C |
| Supply Voltage | VDD | - | 3.0 | 3.3 | 3.6 | V |
| Supply Current – Operating | IDD | TOP = 25°C | - | 6.0 | - | mA |
| Supply Current – Hibernate | IDD | VDD = 3.3V | - | 1.0 | - | µA |
| “H” Level Input | VOH | - | 0.7 * VDD | - | VDD | V |
| “L” Level Input | VIL | - | VSS | - | 0.3 * VDD | V |
| “H” Level Output | VOH | - | 0.7 * VDD | - | VDD | V |
| “L” Level Output | VOH | - | VSS | - | 0.3 * VDD | V |
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit | ||
|---|---|---|---|---|---|---|---|---|
| Optimal Viewing Angles | Top | ϕY+ | Cr ≥ 10 | - | 75 | - | ⁰ | |
| Bottom | ϕY- | - | 75 | - | ⁰ | |||
| Left | θX- | - | 75 | - | ⁰ | |||
| Right | θX+ | - | 75 | - | ⁰ | |||
| Contrast Ratio | Cr | - | 450 | 750 | - | - | ||
| Luminance | LV | LED_IDD = 700mA | 550 | 700 | 880 | cd/m² | ||
| Response Time Rise + Fall | TR + TF | TOP = 25°C | - | 8 | - | ms | ||
| Chromaticity | Red | XR | - | 0.565 | 0.605 | 0.635 | - | |
| YR | - | 0.309 | 0.349 | 0.379 | - | |||
| Green | XG | - | 0.286 | 0.326 | 0.356 | - | ||
| YG | - | 0.565 | 0.605 | 0.635 | - | |||
| Blue | XB | - | 0.112 | 0.152 | 0.182 | - | ||
| YB | - | 0.075 | 0.115 | 0.145 | - | |||
| White | XW | - | 0.257 | 0.297 | 0.327 | - | ||
| YW | - | 0.283 | 0.323 | 0.353 | - |
内置HX8282源驱动器和HX8696栅极驱动器,相关资料可参考:
内置FocalTech FT5526控制器,规格书可从http://www.newhavendisplay.com/appnotes/datasheets/touchpanel/FT5x26.pdf下载。
文档中详细列出了电容式触摸屏的各种寄存器信息,包括寄存器地址、名称、位定义、访问权限等,这些寄存器对于实现触摸屏的功能和配置非常重要。例如,通过读取特定寄存器可以获取触摸点的位置、手势信息等。
| Parameter | Symbol | Spec | Unit | ||
|---|---|---|---|---|---|
| Min. | Typ. | Max. | |||
| DCLK Frequency | fclk | 40.8 | 51.2 | 67.2 | MHz |
| Horizontal Display Area | thd | 1024 | DCLK | ||
| HSD Period | th | 1114 | 1344 | 1600 | DCLK |
| HSD Blanking | thb + thfp | 90 | 320 | 376 | DCLK |
| Vertical Display Area | tvd | 600 | TH | ||
| VSD Period | tv | 610 | 635 | 800 | TH |
| VSD Blanking | tvbp + tvfp | 10 | 35 | 200 | TH |
| Parameter | Min | Max | Unit |
|---|---|---|---|
| SCL Frequency | 0 | 400 | KHz |
| Bus free time between a STOP and START Condition | 1.3 | - | µs |
| Hold Time (repeated) START Condition | 0.6 | - | µs |
| Data Setup Time | 100 | - | ns |
| Setup Time for a repeated START Condition | 0.6 | - | µs |
| Setup Time for STOP Condition | 0.6 | - | µs |
文档中给出了详细的上电和复位序列参数,如上升时间、电压保持时间等,这些参数对于确保模块的正常启动和稳定运行至关重要。
i2c_start();
i2c_tx(0x70); //Slave Address (Write)
i2c_tx(0x00); //Start reading address
i2c_stop();
i2c_start();
i2c_tx(0x71);
for(i = 0x00; i < 0x1F; i++) {
touchdata_buffer[i] = i2c_rx(1);
} //Slave Address (Read)
i2c_stop();
i2c_start();
i2c_tx(0x70);
i2c_tx(0xA4);
i2c_tx(0x01); //Slave Address (Write) //ID_G_Mode //Disable interrupt status to host
i2c_stop();
文档中列出了多项质量测试项目,如高温存储、低温存储、高温运行、低温运行、高温高湿运行、热冲击抗性、振动测试、静电测试等,并给出了相应的测试条件和注意事项。这些测试可以确保产品在不同环境下的可靠性和稳定性。
使用LCDs/LCMs时,可参考www.newhavendisplay.com/specs/precautions.pdf中的注意事项。同时,保修信息和条款可查看http://www.newhavendisplay.com/index.php?main_page=terms。
NHD-10.1-1024600AF-ASXV#-CTP TFT液晶显示模块具有丰富的功能和良好的性能,在电子设备设计中具有广泛的应用前景。作为电子工程师,我们在使用该模块时,需要仔细研究其各项特性和参数,合理进行设计和应用,以充分发挥其优势。大家在使用过程中遇到过哪些问题呢?欢迎一起交流探讨。
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