WF70A9SWAGDNB0 is a High Brightness 7 inch IPS Wide Temperature TFT-LCD display with Projected Capacitive Touch screen, made of resolution 800x480 pixels. This module is built in with HX8249-A and HX8678-C driver ICs, it supports 24-bit RGB interface. WF70A9SWAGDNB0 is adopted IPS panel which is having the advantage of wider view angle of Left:80 / Right:80 / Up:80 / Down:80 degree (typical), contrast ratio 1000:1 (typical value), high brightness 800 nits (typical value), glare surface panel, aspect ratio 15:9. The PCAP touch screen is built in with ILI2511 IC which supports USB interface (also available for I2C) and multi touch function.
The supply voltage (VCC) of WF70A9SWAGDNB0 is from 2.7V to 3.6V, typical value 3.3V. It can be operating at temperatures from -30℃ to+ 80℃ and storage temperatures from -30℃ to +80℃.
SPECIFICATIONS
Interface
1.LCM PIN Definition
| Pin |
Symbol |
Function |
| 1-4 |
NC |
No connection |
| 5 |
GND |
Power Ground |
| 6 |
NC |
No connection |
| 7 |
VCC |
Power voltage |
| 8 |
NC
(MODE) |
Input timing mode selection. Effective when FCS=1.
| 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 |
NC
(L/R) |
Horizontal shift direction (source output) selection. Effective when FCS=1.
| L/R |
Source output sequence and data order |
Note |
| 1 |
SOUT1→SOUT2→ …→ SOUT2400 |
Default |
| 0 |
SOUT2400→SOUT2399→ …→ SOUT1 |
- |
|
| 40 |
NC
(U/D) |
Vertical shift direction (gate output) selection. Effective when FCS=1.
| 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 |
2.Backlight PIN Definition
| Pin |
Symbol |
Description |
| 1 |
VLED+ |
Red, LED_ Anode |
| 2 |
VLED- |
Black, LED_ Cathode |
3.PCAP PIN Definition
| Pin |
Symbol |
Function |
| 1 |
USB_VSS |
System ground |
| 2 |
USB_VDD 5V |
Power supply |
| 3 |
USB_D+ |
Data + |
| 4 |
USB_D- |
Data - |
| 5 |
VSS |
System ground |
| 6 |
SDA |
I2C data input and output |
| 7 |
SCL |
I2C clock input |
| 8 |
RST |
External Reset, Low is active |
| 9 |
INT |
External interrupt to the host |
| 10 |
VDDT 3.3 |
Power supply |
Note: Interface can support both USB and I2C,USB is main function
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 8.9(D) |
mm |
| Active area |
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 |
ILI2511 or equivalent |
| PCAP Interface |
USB (I2C available) |
| PCAP FW Version |
6.0.0.0.0.0.0.1 |
| Touch Panel |
Projected capacitive touch panel (PCAP) |
| Surface |
Anti-Glare |
Absolute Maximum Ratings
| Item |
Symbol |
Min |
Typ |
Max |
Unit |
| Operating Temperature |
TOP |
-30 |
－ |
+80 |
℃ |
| Storage Temperature |
TST |
-30 |
－ |
+80 |
℃ |
Electrical Characteristics
Operating conditions
| Item |
Symbol |
Min |
Typ |
Max |
Unit |
| Supply Voltage |
Vcc |
2.7 |
3.3 |
3.6 |
V |
| Current of power supply |
IDD |
－ |
101 |
150 |
mA |
| Supply PCAP |
USB_VDD 5V |
4.4 |
5.0 |
5.5 |
V |
| IVDD 5V |
－ |
83.6 |
126 |
mA |
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