产品叙述
WF70A8TYAHLNGB 是一款横屏模式7寸IPS TFT模块，带有PCAP投射电容式触控屏幕，分辨率为1027x600。WF70A8系列内建ST5021 + ST5651驱动IC、模块支持LVDS接口、典型对比度为800、典型亮度为450 nits、长宽比为16:9、表面为亮面玻璃、LCD类型为平常黑、透射式。WF70A8系列PCAP触控屏幕内建ILI2130 IC并支持I2C接口，此款7英寸IPS TFT视角比TN TFT宽广，视角典型值为 左:85 / 右:85 / 上:85 / 下:85度。
WF70A8TYAHLNGB的供电电压（VDD）为3.0V至3.6V，典型值为3.3V。 模块可以在-20℃至+ 70℃的温度范围内工作，并在-30℃至+80℃的储存温度范围内工作。 WF70A8系列另有RTP电阻式触控玻璃（RTP）供客户选择，型号为WF70A8TYAHLNT0。
规格图
产品规格
Pin功能定义
LCM PIN 定义
| Pin No. | 符号 | I/O | 功能说明 |
|---|---|---|---|
| 1 | VCOM | P | Common Voltage |
| 2 | VDD | P | Digital circuit |
| 3 | VDD | P | Digital circuit |
| 4 | NC | --- | No connection |
| 5 | RESET | I | Global reset pin |
| 6 | STBYB | I | Standby mode, Normally pulled high STBYB = “1”, normal operation STBYB = “0”, timing controller, source driver will turn off, all output are High-Z |
| 7 | GND | P | Ground |
| 8 | RXIN0- | I | Negative LVDS differential data input |
| 9 | RXIN0+ | I | Positive LVDS differential data input |
| 10 | GND | P | Ground |
| 11 | RXIN1- | I | Negative LVDS differential data input |
| 12 | RXIN1+ | I | Positive LVDS differential data input |
| 13 | GND | P | Ground |
| 14 | RXIN2- | I | Negative LVDS differential data input |
| 15 | RXIN2+ | I | Positive LVDS differential data input |
| 16 | GND | P | Ground |
| 17 | RXCLKIN- | I | Negative LVDS differential clock input |
| 18 | RXCLKIN+ | I | Positive LVDS differential clock input |
| 19 | GND | P | Ground |
| 20 | RXIN3- | I | Negative LVDS differential data input |
| 21 | RXIN3+ | I | Positive LVDS differential data input |
| 22 | GND | P | Ground |
| 23 | NC | --- | No connection |
| 24 | NC | --- | No connection |
| 25 | GND | P | Ground |
| 26 | NC | --- | No connection |
| 27 | NC | --- | No connection |
| 28 | SELB | I | 6bit/8bit mode select H:6bit / L:8bit |
| 29 | AVDD | P | Power for Analog Circuit |
| 30 | GND | P | Ground |
| 31 | LED- | P | LED Cathode |
| 32 | LED- | P | LED Cathode |
| 33 | L/R | I | Horizontal inversion |
| 34 | U/D | I | Vertical inversion |
| 35 | VGL | P | Negative power for TFT |
| 36 | NC | --- | No connection |
| 37 | NC | --- | No connection |
| 38 | VGH | P | Positive power for TFT |
| 39 | LED+ | P | LED Anode |
| 40 | LED+ | P | LED Anode |
I:input ,O:output,P:power
PCAP PIN 定义
| Pin | 符号 | 功能说明 |
|---|---|---|
| 1 | VSS | Ground for analog circuit |
| 2 | VDDT | Power Supply : +3.3V |
| 3 | SCL | I2C clock input |
| 4 | NC | No connect |
| 5 | SDA | I2C data input and output |
| 6 | NC | No connect |
| 7 | /RST | External Reset, Low is active |
| 8 | NC | No connect |
| 9 | /INT | External interrupt to the host |
| 10 | VSS | Ground for analog circuit |
规格说明
| 项目 | 规格 | 单位 |
|---|---|---|
| 尺寸(对角线) | 7 | 吋 |
| 点阵(分辨率) | 1024 × RGB × 600(TFT) | dots |
| 模块尺寸 | 169.9(W) × 103.4(H) × 7.3(D) | mm |
| 有效区域 | 154.2144 × 85.92 | mm |
| 点间距 | 0.1506 × 0.1432 | mm |
| LCD类型 | TFT, 平常黑, 透射式 | |
| TFT 接口 | LVDS | |
| 视角 | 85/85/85/85 | |
| 长宽比 | 16:9 | |
| TFT 驱动 IC | ST5021 + ST5651或相容IC | |
| 背光类型 | LED, 平常白 | |
| PCAP IC | ILI2130或相容IC | |
| PCAP接口 | I2C | |
| PCAP FW 版本 | 0x07.0x00.0x00.0x00.0x65.0x90.0x00.0x01 | |
| 触控面板 | 投射电容式触控面板 | |
| 表面 | 亮面 | |
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 | ℃ |
电气特性
| 项目 | 符号 | 标准值 | 单位 | ||
|---|---|---|---|---|---|
| 最小值 | 典型值 | 最大值 | |||
| 电源电压 | VDD | 3.0 | 3.3 | 3.6 | V |
| PCAP电源电压 | VDDT | 3.0 | 3.3 | 3.6 | V |
| ICTP | － | 65 | 98 | mA | |
| 模拟电源电压 | AVDD | 8.9 | 9.0 | 9.1 | V |
| TFT Gate ON 电压 | VGH | 17 | 18 | 19 | V |
| TFT Gate OFF 电压 | VGL | -6.5 | -6.0 | -5.5 | V |
| TFT Common 电压 | Vcom | 3.0 | 3.15 | 3.3 | V |
| 驱动电流 | IDD | - | 14 | 21 | mA |
| 电源电流 | IAVDD | - | 25 | - | mA |
| TFT Gate ON 电流 | IVGH | - | 1 | - | mA |
| TFT Gate OFF 电流 | IVGL | - | 1 | - | mA |
| TFT Common 电流 | IVCOM | - | 1 | - | mA |
