LCD 202x32, Monochrome Graphic Display
Model No. WG20232A
►Graphic LCD 202x32
►Monochrome Graphic Display
►Built-in oscillation
►IC: SBN1661G
►1/32 duty cycle
►2.85~5V power supply
►Interface: 6800/8080
Description
WG20232A is a 202x32 monochrome graphic display which is having the module dimension 146x43 mm and Active area size of 119.16x18.86 mm. This LCD 202x32 display module is built in with SBN1661G controller IC or compatible controller. It supports 6800 / 8080 8-bit parallel interface and 5V power supply; it also Negative Voltage optional. WG20232A type is built in oscillation. This module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
DRAWING
Data source ref:WG20232A-TFH-V#A
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Level | Description |
|---|---|---|---|
| 1 | VSS | 0V | Ground |
| 2 | VDD | 5.0V | Power Supply |
| 3 | VO | (Variable) | Operating voltage for LCD |
| 4 | A0 | H/L | H : Data L : Instruction |
| 5 | R/W | H/L | Read/Write (R/W) signal for the 68-type microcontroller 68-type microcotroller is selected as the host microcontroller, this pin should be connected to the R/W output of the microcontroller. A HIGH level on this pin indicates that the microcontroller intends to read from the SBN1661G_X series. A LOW level on this pin indicates that the microcontroller intends to write to the SBN1661G_X series. |
| 6 | CS1 | H/L | Enable signal (E) for the 68-type microcontroller. 68-type microcotroller is selected as the host microcontroller, this pin should be connected to the ENABLE output of the microcontroller. A HIGH level on this pin indicates that the microcontroller intends to select the SBN1661G_X series. |
| 7 | DB0 | H/L | Bi-direction, tri-state 8-bit parallel data bus for interface with a host microcontroller. This data bus is for data transfer between the host microcontroller and the SBN1661G_X. |
| 8 | DB1 | H/L | Bi-direction, tri-state 8-bit parallel data bus for interface with a host microcontroller. |
| 9 | DB2 | H/L | This data bus is for data transfer between the host microcontroller and the SBN1661G_X. |
| 10 | DB3 | H/L | Bi-direction, tri-state 8-bit parallel data bus for interface with a host microcontroller. |
| 11 | DB4 | H/L | This data bus is for data transfer between the host microcontroller and the SBN1661G_X. |
| 12 | DB5 | H/L | Bi-direction, tri-state 8-bit parallel data bus for interface with a host microcontroller. |
| 13 | DB6 | H/L | This data bus is for data transfer between the host microcontroller and the SBN1661G_X. |
| 14 | DB7 | H/L | Bi-direction, tri-state 8-bit parallel data bus for interface with a host microcontroller. |
| 15 | VEE | - | Negative Voltage Output |
| 16 | RES | H/L | Hardware RESET and interface type selection. This pin is a dual function pin. It can be used to reset the SBN1661G_X and select the type of interface timing. |
| 17 | A | － | Power Supply for LED backlight ( + ) |
| 18 | K | － | Power Supply for LED backlight ( - ) |
| 19 | CS2 | H/L | Enable signal (E) for the 68-type microcontroller. 68-type microcotroller is selected as the host microcontroller, this pin should be connected to the ENABLE output of the microcontroller. A HIGH level on this pin indicates that the microcontroller intends to select the SBN1661G_X series. |
| 20 | CS3 | H/L | Enable signal (E) for the 68-type microcontroller. If a 68-type microcotroller is selected as the host microcontroller, this pin should be connected to the ENABLE output of the microcontroller. A HIGH level on this pin indicates that the microcontroller intends to select the SBN1661G_X series. |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of dots | 202 x 32 | － |
| Module dimension | 146.0 x 43.0 x 13.7(Max) | mm |
| View area | 123.0 x 23.0 | mm |
| Active area | 119.16 x 18.86 | mm |
| Dot size | 0.57 x 0.57 | mm |
| Dot pitch | 0.59 x 0.59 | mm |
| Duty | 1/32 | |
| Backlight Type | LED | |
| IC | SBN1661G-M18 | |
| Interface | 6800 | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Input Voltage | VI | -0.3 | － | VDD+0.3 | V |
| Supply Voltage For Logic | VDD-VSS | -0.3 | － | +6.0 | V |
| LCD bias voltage | VLCD | 3.5 | － | 13 | V |
Electrical Characteristics
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 4.5 | 5.0 | 5.5 | V |
| Supply Voltage For LCD | VDD-V0 | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 4.8 － |
－ 5.0 － |
－ 5.2 － |
V V V |
| Input High Volt. | VIH | VDD=5.0V | 3.0 | 5.0 | VDD+0.5 | V |
| Input Low Volt. | VIL | － | 0 | 0.7 | 1.1 | V |
| Output High Volt. | VOH | － | VDD-0.3 | － | VDD | V |
| Output Low Volt. | VOL | － | 0 | － | 0.3 | V |
| Supply Current | IDD | VDD=5.0V | － | 10.0 | － | mA |
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