DESCRIPTION
WO128128-85HB#FC is a 128x128 monochrome graphic COG LCD module with a dimension of 68.0x72mm and AA size of 55.01 x 55.01 mm. The module is built-in with the ST75161 IC, which supports 6800/8080/SPI/I2C interfaces, a 3.3V power supply, 1/128 DUTY, and 1/12 BIAS.
This monochrome display can be operated at temperatures ranging from -20℃ to +70℃, and its storage temperature ranges from -30℃ to +80℃.
DRAWING
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Function |
|---|
| 1 |
ESD GND |
ESD Ground |
| 2 |
VG |
VG is the power of SEG-drivers. |
| 3 |
V0 |
Positive operating voltage of COM-drivers. |
| 4 |
XV0 |
Negative operating voltage of COM-drivers. |
| 5 |
CA1P |
DC/DC voltage converter |
| 6 |
CA1N |
| 7 |
VDD |
Power supply |
| 8 |
VSS |
Ground |
| 9 |
COMSCN |
Set scan direction of COM. |
| 10 |
IF2 |
These pins select interface operation mode. |
| 11 |
IF1 |
| 12 |
IF0 |
| 13 |
CSB |
Chip select input pin. |
| 14 |
A0 |
It determines whether the access is related to data or command. |
| 15 |
ERD |
Read / Write execution control pin. |
| 16 |
RWR |
Read / Write execution control pin. |
| 17-24 |
RSTB |
Hardware reset input pin |
| 25 |
ERD |
When using 8-bit parallel interface: 8080 or 6800 mode:8 bit bi-directional data bus When using serial interface : 4-line SPI or 3-line SPI mode
D[7:4] : fix to “H” by VDD1. D[3:1] : serial input/output data (SDA).
D[0] : serial input clock (SCL). D1 to D3 must be connected together (SDA) When using serial interface : I2C interface
D[7] : SA[1], I2C slave address bit. Must be connected to VDD1 or VSS1. D[6] : SA[0], I2C slave address bit. Must be connected to VDD1 or VSS1.
D[5:4] : fix to “H” by VDD1. D[3:2] : SDA_OUT, serial data and acknowledge output for the I2C interface. D[1] : SDA_IN, serial input data D[0] : SCL, serial input clock .
D1 to D3 must be connected together (SDA)
CSB must be fixed to “L” by VSS1. |
| 26 |
A |
Anode input for LED backlight. |
| 27 |
K |
Cathode input for LED backlight |
| 28 |
ESD GND |
ESD Ground |
General Specification
| Item | Dimension | Unit |
|---|
| Number of dots |
128 x 128 |
－ |
| Module dimension |
68.0 x 72.0 x 6.5 |
mm |
| View area |
62.0 x 62.0 |
mm |
| Active area |
55.01 x 55.01 |
mm |
| Dot size |
0.4 x 0.4 |
mm |
| Dot pitch |
0.43 x 0.43 |
mm |
| Duty |
1/128 DUTY,1/12 BIAS |
| Backlight Type |
LED |
| IC |
ST75161 |
| Interface |
6800/8080/3/4-Line SPI/I2C |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|
| Operating Temperature |
TOP |
-20 |
- |
+70 |
℃ |
| Storage Temperature |
TST |
-30 |
- |
+80 |
℃ |
| Power Supply Voltage |
VDD |
-0.3 |
- |
4.0 |
V |
| LCD Power supply voltage |
V0-XV0 |
-0.3 |
- |
19 |
V |
| Input voltage |
VIN |
-0.3 |
- |
VDD+0.3 |
V |
Electrical Characteristics
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
|---|
| Supply Voltage For Logic |
VDD-VSS |
- |
3.0 |
3.3 |
3.6 |
V |
| Supply Voltage For LCD |
VOP |
Ta=-20℃
Ta=25℃
Ta=70℃ |
－
14.8
－ |
－
15.1
－ |
－
15.4
－ |
V
V
V |
| Input High Volt. |
VIH |
- |
0.7 VDD |
- |
VDD |
V |
| Input Low Volt. |
VIL |
- |
Vss |
- |
0.3 VDD |
V |
| Output High Volt. |
VOH |
- |
0.8 VDD |
- |
VDD |
V |
| Output Low Volt. |
VOL |
- |
Vss |
- |
0.2 VDD |
V |
| Supply Current |
IDD |
VDD=3.3V |
- |
- |
2.5 |
mA |
Specifiche di prodotto
|
Size
|
3" |
|
Resolution
|
128x128 |
|
Active Area (mm)
|
55.01x55.01 |
|
Dot Size
|
0.40x0.40 |
|
B/L color, LCD type
|
B/L white, FSTN white pos |
|
Power supply
|
3.3V |
|
Display Interface
|
6800/8080/SPI/I2C |
|
Display IC
|
ST75161 |
|
Constructive Structure
|
COG |
|
View Angle
|
6H |
|
Frame
|
No |
|
Touch Panel
|
No touch |
|
O. Temperature (°C)
|
-20~70 |
|
Data Connection
|
FPC for ZIF Connector |
|
Pin Nr.
|
28 |
|
Pin Pitch
|
0.5mm |
|
Preferred - Not Preferred
|
Preferred |
