Description
WF70A9SWAGDNG0 is a 7 inch IPS TFT-LCD with a Projected Capacitive Touch Panel (PCAP). The module is built in with HX8249-A + HX8678-C IC Driver IC, supporting 24-bit RGB interfaces. WF70A9SWAGDNG0 features the IPS technology to present wider viewing angles of Left:80 / Right:80 / Up:80 / Down:80 degrees (typical value). Its surface adopts a glare-glass with a 15:9 aspect ratio. Its PCAP touch panel comes with ILI2130 IC, supporting I2C interfaces.
The supply voltage (VCC) range of WF70A9SWAGDNB0 is from 2.7V to 3.6V; the typical value is 3.3V. It has features of high brightness and a wide operating temperature range. It boasts a resolution of 800x480 pixels, a high contrast ratio of 1,000:1 (typical value), and a high brightness of 800 nits (typical value). It can operate at the temperature range from -30℃ to +80℃, and its storage temperature covers from -40℃ to +85℃. It's perfect for outdoor measuring equipment, industrial measuring equipment, testing equipment, measuring tools, plastic bottle recycling machine, automated car park payment machine, etc.
DRAWING
SPECIFICATIONS
Interface
LCM PIN Definition
| Pin |
Symbol |
Function |
| 1-4 |
NC |
No connection |
| 5 |
GND |
Power Ground |
| 6 |
NC |
No connection |
| 7 |
VCC |
Power voltage |
| 8 |
MODE |
Input timing mode selection.
| MODE |
Function |
Note |
| 0 |
DE only |
- |
| 1 |
HS+VS |
Default |
|
| 9 |
DE |
Data enable signal for TTL mode. |
| 10 |
VS |
Vertical sync input |
| 11 |
HS |
Horizontal sync input |
| 12 |
B7 |
Blue data(MSB) |
| 13 |
B6 |
Blue data |
| 14 |
B5 |
Blue data |
| 15 |
B4 |
Blue data |
| 16 |
B3 |
Blue data |
| 17 |
B2 |
Blue data |
| 18 |
B1 |
Blue data |
| 19 |
B0 |
Blue data(LSB) |
| 20 |
G7 |
Green data(MSB) |
| 21 |
G6 |
Green data |
| 22 |
G5 |
Green data |
| 23 |
G4 |
Green data |
| 24 |
G3 |
Green data |
| 25 |
G2 |
Green data |
| 26 |
G1 |
Green data |
| 27 |
G0 |
Green data(LSB) |
| 28 |
R7 |
Red data(MSB) |
| 29 |
R6 |
Red data |
| 30 |
R5 |
Red data |
| 31 |
R4 |
Red data |
| 32 |
R3 |
Red data |
| 33 |
R2 |
Red data |
| 34 |
R1 |
Red data |
| 35 |
R0 |
Red data (LSB) |
| 36 |
GND |
Power Ground |
| 37 |
DCLK |
Sample clock |
| 38 |
GND |
Power Ground |
| 39 |
L/R |
Horizontal shift direction (source output) selection.
| L/R |
Source output sequence and data order |
Note |
| 1 |
Left to right |
Default |
| 0 |
Right to left |
- |
|
| 40 |
U/D |
Vertical shift direction (gate output) selection.
| U/D |
Function |
Note |
| 1 |
Top→bottom |
Default |
| 0 |
Bottom→top |
- |
|
| 41 |
NC |
No connection |
| 42 |
NC |
No connection |
| 43 |
NC |
No connection |
| 44 |
RESET |
Reset pin. The chip is in reset state when RESETB=0. |
| 45 |
NC |
No connection |
| 46 |
NC |
No connection |
| 47 |
DITHB |
STBYB Standby mode setting pin. The chip is in standby mode when STBYB=0. |
| 48 |
GND |
Power Ground |
| 49 |
NC |
No connection |
| 50 |
NC |
No connection |
Backlight PIN Definition
| Pin |
Symbol |
Description |
| 1 |
VLED+ |
Red, LED_ Anode |
| 2 |
VLED- |
Black, LED_ Cathode |
PCAP PIN Definition
| Pin |
Symbol |
Function |
| 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 |
General Specifications
| Item |
Dimension |
Unit |
| Size |
7.0 |
inch |
| Dot Matrix |
800 x RGB x 480(TFT) |
dots |
| Module dimension |
165.8 (W) x 106.61 (H) x 8.5(D) |
mm |
| Active Area(AA) |
152.40 x 91.44 |
mm |
| Pixel pitch |
0.1905 x 0.1905 |
mm |
| LCD type |
TFT, Normally Black, Transmissive |
| View Direction |
80/80/80/80 |
| TFT Interface |
24-bit RGB |
| TFT Driver IC |
HX8249-A + HX8678-C or Equivalent |
| Aspect Ratio |
15:9 |
| Backlight Type |
LED, Normally White |
| PCAP IC |
ILI 2130 or Equivalent |
| PCAP Interface |
I2C |
| PCAP FW Version |
0x07.0x00. 0x00. 0x00. 0x00. 0x07. 0x68. 0xA1 |
| PCAP Resolution |
16384*16384 |
| Touch Panel |
Projected capacitive touch panel (PCAP) |
| Surface |
Glare |
Absolute Maximum Ratings
| Item |
Symbol |
Min |
Typ |
Max |
Unit |
| Operating Temperature |
TOP |
-30 |
－ |
+80 |
℃ |
| Storage Temperature |
TST |
-40 |
－ |
+85 |
℃ |
Electrical Characteristics
Operating conditions
| Item |
Symbol |
Min |
Typ |
Max |
Unit |
| Supply Voltage |
Vcc |
2.7 |
3.3 |
3.6 |
V |
| Current of power supply |
Icc |
－ |
101 |
150 |
mA |
| Supply PCAP |
VDDT |
3.1 |
3.3 |
3.5 |
V |
| IVDDT |
－ |
62 |
93 |
mA |
LED driving conditions
| Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
| LED current |
- |
- |
450 |
- |
mA |
| LED voltage |
VLED+ |
8.1 |
9.3 |
10.2 |
V |
| LED Life Time |
- |
40000 |
- |
- |
Hr |
