产品概述
SF-TC350H-8942A-N 采用 3.5 英寸 TFT LCD 模块,分辨率为 320xRGBx480,可提供生动的全彩视觉效果。支持 MCU 接口,尺寸紧凑,外形为55.26*84.69 毫米,有效可视面积为 48.96 x 73.44 毫米。该模块采用 ILI9488 控制器,逻辑电源电压范围为 2.6V 至 3.3V,可确保最佳性能。产品可在 -20℃ 至 +70℃ 的宽温度范围内工作,存储能力范围为 -30℃ 至 +80℃,可确保在各种环境下的可靠性。
此 LCD 模块采用纵向模式,亮度为 300 cd/m2。对于横向或增加亮度,可根据要求提供定制技术支持。
这款3.5 英寸 TFT LCD 模块用途广泛,适用于各种行业,包括 GPS 设备、POS 终端、扫描仪、家庭自动化系统、会议电话、分析仪和安全系统等。
主要规格
· 显示屏:3.5 英寸 TFT LCD
· 分辨率:320×480 像素
· 视角:12 点钟方向
· 尺寸:55.26×84.69×23.4 mm
· 驱动 IC:ILI9488
· 接口:MCU
· 触摸屏:可选,带电阻式触摸屏
· 温度范围:工作温度 -20°C 至 +70°C;存储温度 -30°C 至 +80°C
规格参数
Product: | 3.5″ Inch TFT LCD Screen |
Touch Screen: | No |
Capacitive Touch: | 可选或按需求定制 |
Resolution: | 320×480 Dots |
Viewing Direction: | 12:00 |
Interface: | MCU |
Pin Number: | 40 Pins |
Connection: | 插接 |
Surface Luminance: | 300cd/m2 (nits) |
LED Lifetime: | 40,000 Hours |
Compliance: | REACH & RoHS Compliant |
Certification: | ISO9001:2015 & ISO14001:2015 |
外形结构图
接口定义
Pin No. | Symbol | Function |
1 | XL | Touch the left line |
2 | YU | Touch the upper circuit |
3 | XR | Touch the right end line |
4 | YD | Touch the lower line |
5 | GND | Ground |
6 | IOVCC | Power Supply 1.8V |
7 | VCC | Power Supply 2.8V |
8 | FMARK | Frame synchronization signal |
9 | CS | Chip select input pin (active low) |
10 | RS | Display data/command selection pin in parallel |
11 | WR/SPI_SCL | Write enable in 8080 MCU parallel interface / SCL pin as Serial Clock |
12 | RD | Read enable in 8080 MCU parallel interface. |
13 | SPI_SDA | serial data input/output bi-direction pin |
14 | SPI_SDO | Serial data output |
15 | RESET | External reset input. |
16 | GND | Ground |
17-32 | DB0-DB15 | MCU parallel interface data bus. |
33 | LEDA | LED back light(Anode) |
34-36 | LEDK | LED back light(Cathode) |
37 | GND | Ground |
38 | IM0 | Select the interface mode |
39 | IM1 | Select the interface mode |
40 | IM2 | Select the interface mode |
触摸屏接口定义
1 | CTP_RST | Touch screen reset |
2 | CTP_INT | Touch screen interrupt signal |
3 | CTP_SDA | Touch screen data signal |
4 | CTP_SCL | Touch screen clock signal |
5 | GND | Ground |
6 | VDD | Power Supply |
光学规格
Item | Symbol | Condition | Min | Type | Max | Unit | Note | |
White luminance (Center) | Lv | Θ=0 Normal Viewing Angle IBL= 120mA | — | 300 | — | cd/m2 | (4)(5)(7) | |
Response time | Tr+Tf | — | 20 | 40 | ms | Note 5 | ||
Contrast ratio | CR | — | 500 | — | — | Note 2,6 | ||
Color Chromaticity (CIE1931) | white | Wx | 0.292 | 0.307 | 0.322 | Note 3 | ||
Wy | 0.312 | 0.327 | 0.342 | |||||
Viewing Angle | Hor | ΘL | CR≥10 | — | 70 | — | Note 2,6,7 | |
ΘR | — | 70 | — | |||||
Ver | ΘU | — | 60 | — | ||||
ΘD | — | 60 | — | |||||
Brightness uniformity | Avg | Θ=0 | 80 | 90 | — | % | Note 5 | |
Color Gamut | NTSC | Θ=0 | 57 | 60 | — | % | Note 3 | |
Optima View Direction | 12 0’CLOCK | Note 1 |
TFT LCD 模块电气特性
Item | Symbol | Min. | Typ. | Max. | Unit |
Analog supply voltage | VDD | 2.4 | 2.8 | 3.3 | V |
Digital supply voltage | VDDI | 1.65 | 1.8 | 3.3 | |
Input signal Voltage | VIH | 0.7VDDI | – | VDDI | V |
VIL | GND | – | 0.3VDDI | V |
背光电气特性
Item | Symbol | Min | Typ | Max | Unit | Note |
LED current | IL | – | 90 | 120 | mA | (2) |
LED voltage | VL | – | 2.8 | 3.2 | V | |
Operating LED life time | Hr | 30000 | 40000 | Hour | ( 1)(2) |
可靠性测试条件
NO | Item | Conditions |
1 | High Temperature Storage | Ta=80℃±2℃, 72hrs |
2 | Low Temperature Storage | Ta=-30℃±2℃, 72hrs |
3 | High Temperature Operation | Ta=70℃±2℃, 72hrs(Operation state) |
4 | Low Temperature Operation | Ta=-20℃±2℃, 72hrs(Operation state) |
5 | High Temperature and High Humidity (Storage) | Ta=+60℃, 90%RH, 72hrs |
6 | Thermal Cycling Test(non operation) | -20℃(30min) → +70℃(30min),10cycles |
7 | Electrostatic Discharge | Human Body Mode 100pF±10%/1500Ω±1% Air±8kV / contact±6kV Consecutive 10times/ Each discharge |
8 | Vibration test (with carton) | Total fixed amplitude:15mm Vibration Frequency :10~55Hz One cycle 60 seconds to 3 directions of X,Y,Z for Each 15 minutes |
9 | Drop (with carton) | Height: 60cm 1 corner, 3 edges, 6 surfaces |
产品图片
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