产品叙述
华凌光电WF70H为原有标准品WF70A的替代型号，外形尺寸与AA尺寸都相同，接口与出pin数也都相同，主要的差别在于模组背面的PCB与PFC layout不同，但是操作介面与程式等都相同。 WF70HTIAGDNC0 7寸带电容触摸TFT显示屏，模组外形尺寸为165 x 104.6 mm, AA有效区域尺寸为152.4 x 91.44 mm，分辨率 800x480。此模组含外挂PCAP电容式触控萤幕。
规格图
产品规格
Pin功能定义
LCM PIN 定义
| Pin |
符号 |
功能说明 |
| 1 |
GND |
Power Ground |
| 2 |
GND |
Power Ground |
| 3 |
NC |
Not Connect |
| 4 |
Vcc |
Power Supply for Digital Circuit |
| 5 |
Vcc |
Power Supply for Digital Circuit |
| 6 |
Vcc |
Power Supply for Digital Circuit |
| 7 |
Vcc |
Power Supply for Digital Circuit |
| 8 |
NC |
Not Connect |
| 9 |
DE |
Data Enable |
| 10 |
GND |
Power Ground |
| 11 |
GND |
Power Ground |
| 12 |
GND |
Power Ground |
| 13 |
B5 |
Blue Data 5 (MSB) |
| 14 |
B4 |
Blue Data 4 |
| 15 |
B3 |
Blue Data 3 |
| 16 |
GND |
Power Ground |
| 17 |
B2 |
Blue Data 2 |
| 18 |
B1 |
Blue Data 1 |
| 19 |
B0 |
Blue Data 0 (LSB) |
| 20 |
GND |
Power Ground |
| 21 |
G5 |
Green Data 5 (MSB) |
| 22 |
G4 |
Green Data 4 |
| 23 |
G3 |
Green Data 3 |
| 24 |
GND |
Power Ground |
| 25 |
G2 |
Green Data 2 |
| 26 |
G1 |
Green Data 1 |
| 27 |
G0 |
Green Data 0(LSB) |
| 28 |
GND |
Power Ground |
| 29 |
R5 |
Red Data 5 (MSB) |
| 30 |
R4 |
Red Data 4 |
| 31 |
R3 |
Red Data 3 |
| 32 |
GND |
Power Ground |
| 33 |
R2 |
Red Data 2 |
| 34 |
R1 |
Red Data 1 |
| 35 |
R0 |
Red Data 0(LSB) |
| 36 |
GND |
Power Ground |
| 37 |
GND |
Power Ground |
| 38 |
DCLK |
Clock Signals ; Latch Data at the Falling Edge |
| 39 |
GND |
Power Ground |
| 40 |
GND |
Power Ground |
Backlight Driving Part
| Pin No. |
符号 |
功能说明 |
| 1 |
VLED+ |
Red, LED_ Anode |
| 2 |
VLED- |
White, LED_ Cathode |
CTP 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 |
| 显示尺寸(对角线) |
7.0 |
寸 |
| 点阵(分辨率) |
800 × RGB × 480 (TFT) |
dots |
| 模块尺寸 |
165 × 104.6 × 6.86 |
mm |
| 有效区域 |
152.4 × 91.44 |
mm |
| 点间距 |
0.0635 × 0.1905 |
mm |
| LCD类型 |
TFT, 正常白, 透射式 |
| TFT 界面 |
18-bit RGB |
| 视角 |
12点钟方向 |
| 灰阶反转 |
6点钟方向 |
| 长宽比 |
16:9 |
| PCAP FW 版本 |
0x13 |
| PCAP 接口 |
I2C |
| PCAP IC |
FT5426 或相容IC |
| 背光类型 |
LED, 正常白 |
| 触控面板类型 |
PCAP电容式触控面板 |
| 表面 |
亮面 (Glare) |
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
最大绝对额定值(GND=0V)
| 项目 |
符号 |
最小值 |
典型值 |
最大值 |
单位 |
| 电源电压 |
Vcc |
-0.3 |
- |
6 |
V |
| 输入信号电压 |
Vi |
-0.3 |
- |
Vcc+0.3 |
V |
建议的操作条件(GND=0V，Ta=25℃)
| 项目 |
符号 |
最小值 |
典型值 |
最大值 |
单位 |
| 供电电压 |
Vcc |
3.0 |
3.3 |
3.6 |
V |
| LCM电流供应 |
Icc |
- |
160 |
270 |
mA |
| 耗电量 |
- |
- |
530 |
970 |
mW |
| CTP供应电压 |
VDDT |
2.8 |
- |
3.3 |
V |
| 输入逻辑电压 |
高准位 (High Level) |
VIH |
0.7Vcc |
- |
Vcc |
V |
| 低准位 (Low Level) |
VIL |
0 |
- |
0.3Vcc |
