ST7789V-WBI
The ST7789V-WBI is an electronic component. View the full ST7789V-WBI datasheet below including electrical characteristics.
Overview
Part: ST7789V-WBI — Sitronix Type: Single-Chip TFT Controller/Driver Description: A single-chip TFT controller/driver for 240RGB x 320 dot, 262K color displays with integrated frame memory.
Operating Conditions:
- Supply voltage:
- VDD: 1.65–3.3 V
- VCI: 2.4–3.3 V
- Operating temperature: -40 to +85 °C
Absolute Maximum Ratings:
- Max supply voltage:
- VDD: -0.3 to +3.6 V
- VCI: -0.3 to +4.6 V
- Max junction/storage temperature: -40 to +125 °C
Key Specs:
- Logic input high voltage (VIH): 0.7 VDD (min)
- Logic input low voltage (VIL): 0.3 VDD (max)
- Logic output high voltage (VOH): VDD - 0.4 V (min)
- Logic output low voltage (VOL): 0.4 V (max)
- VCI supply current (ICC1): 1.5 mA (Typ, VCI=2.8V, VDD=1.8V, Ta=25°C, Normal Mode, Idle Mode OFF)
- VDD supply current (ICC2): 0.5 mA (Typ, VCI=2.8V, VDD=1.8V, Ta=25°C, Normal Mode, Idle Mode OFF)
- VCI supply current (ICC1): 0.01 μA (Typ, VCI=2.8V, VDD=1.8V, Ta=25°C, Deep Standby Mode)
- VDD supply current (ICC2): 0.01 μA (Typ, VCI=2.8V, VDD=1.8V, Ta=25°C, Deep Standby Mode)
Features:
- 240RGB x 320 dot resolution
- 262K color support
- Integrated frame memory
- Multiple interface options: 8080-series MCU parallel (8/9/16/18-bit), 3-line/4-line serial, RGB interface
- Vertical scroll mode
- Tearing effect synchronization
- Gamma correction
- Display dimming
- Content Adaptive Brightness Control (CABC)
Applications:
Package:
Features
- /circle6 Single chip TFT-LCD Controller/Driver with On-chip Frame Memory (FM)
- /circle6 Display Resolution: 240*RGB (H) *320(V)
- /circle6 Frame Memory Size: 240 x 320 x 18-bit = 1,382,400 bits
- /circle6 LCD Driver Output Circuits
- -Source Outputs: 240 RGB Channels
- -Gate Outputs: 320 Channels
- -Common Electrode Output
- /circle6 Display Colors (Color Mode)
- -Full Color: 262K, RGB=(666) max., Idle Mode Off
- -Color Reduce: 8-color, RGB=(111), Idle Mode On
- /circle6 Programmable Pixel Color Format (Color Depth) for Various Display Data input Format
- -12-bit/pixel: RGB=(444)
- -16-bit/pixel: RGB=(565)
- -18-bit/pixel: RGB=(666)
- /circle6 MCU Interface
- -Parallel 8080-series MCU Interface (8-bit, 9-bit, 16-bit & 18-bit)
- -6/16/18 RGB Interface(VSYNC, HSYNC, DOTCLK, ENABLE, DB[17:0])
- -Serial Peripheral Interface(SPI Interface)
- -VSYNC Interface
- /circle6 Display Features
- -Programmable Partial Display Duty
- -CABC for saving current consumption
- -Color enhancement
- /circle6 On Chip Build-In Circuits
- -DC/DC Converter
- -Adjustable VCOM Generation
- -Non-Volatile (NV) Memory to Store Initial Register Setting and Factory Default Value (Module ID, Module Version, etc)
- -Timing Controller
- -4 preset Gamma curve with separated RGB Gamma setting
- /circle6 Build-In NV Memory for LCD Initial Register Setting
- -8-bits for ID1 setting
- -8-bits for ID2 setting
- -8-bits for ID3 setting
- -6-bits for VCOM Offset adjustment
- /circle6 Driving Algorithm
Version 1.3 Page 13 of 316 2014/03
- -Dot Inversion
- -Column Inversion
- /circle6 Wide Supply Voltage Range
- -I/O Voltage (VDDI to DGND): 1.65V ~ 3.3V (VDDI VDD) ≦
- -Analog Voltage (VDD to AGND): 2.4V ~ 3.3V
- /circle6 On-Chip Power System
- -Source Voltage (VAP (GVDD) to VAN (GVCL)): +6.4~-4.6V
- -VCOM level: GND
- -Gate driver HIGH level (VGH to AGND): +12.2V ~ +14.97V
- -Gate driver LOW level (VGL to AGND): -12.5V ~ -7.16V
- -Adjustable voltage range for feed through compensation: 0.1V~1.675V
- /circle6 Optimized layout for COG Assembly
- /circle6 Operate temperature range: -30 °C to +85 °C
- /circle6 Lower Power Consumption
Version 1.3 Page 14 of 316 2014/03
Pin Configuration
3-line serial interface Ⅰ
| Pin Name | Description |
|---|---|
| CSX | Chip selection signal |
| DCX | Clock signal |
| SDA | Serial input/output data |
4-line serial interface Ⅰ
| Pin Name | Description |
|---|---|
| CSX | Chip selection signal |
| WRX | Data is regarded as a command when WRX is low Data is regarded as a parameter or data when WRX is high |
| DCX | Clock signal |
| SDA | Serial input/output data |
3-line serial interface Ⅱ
| Pin Name | Description |
|---|---|
| CSX | Chip selection signal |
| DCX | Clock signal |
| SDA | Serial input data |
| SDO | Serial output data |
4-line serial interface Ⅱ
| Pin Name | Description |
|---|---|
| CSX | Chip selection signal |
| WRX | Data is regarded as a command when WRX is low Data is regarded as a parameter or data when WRX is high |
Version 1.3 Page 55 of 316 2014/03
Table 14 pin description of serial interface
| DCX | Clock signal |
|---|---|
| SDA | Serial input data |
| SDO | Serial output data |
Electrical Characteristics
Table 2 Basic DC Characteristics
| Parameter | Symbol | Condition | Specification | Specification | Specification | Unit | Related |
|---|---|---|---|---|---|---|---|
| MIN. | TYP. | MAX. | Pins | ||||
| Power & Operation Voltage | Power & Operation Voltage | Power & Operation Voltage | Power & Operation Voltage | Power & Operation Voltage | Power & Operation Voltage | Power & Operation Voltage | Power & Operation Voltage |
| System Voltage | VDD | Operating voltage | 2.4 | 2.75 | 3.3 | V | |
| Interface Operation Voltage | VDDI | I/O Supply Voltage | 1.65 | 1.8 | 3.3 | V | |
| Gate Driver High Voltage | VGH | 12.2 | 14.97 | V | Note 4 | ||
| Gate Driver Low Voltage | VGL | -12.5 | -7.16 | V | |||
| Gate Driver Supply Voltage | \ | VGH-VGL \ | 19.36 | 27.47 | |||
| Input / Output | Input / Output | Input / Output | Input / Output | Input / Output | Input / Output | Input / Output | Input / Output |
| Logic-High Input Voltage | VIH | 0.7VDDI | VDDI | V | Note 1 | ||
| Logic-Low Input Voltage | VIL | VSS | 0.3VDDI | V | Note 1 | ||
| Logic-High Output Voltage | VOH | IOH = -1.0mA | 0.8VDDI | VDDI | V | Note 1 | |
| Logic-Low Output Voltage | VOL | IOL = +1.0mA | VSS | 0.2VDDI | V | Note 1 | |
| Logic-High Input Current | IIH | VIN = VDDI | 1 | μA | Note 1 | ||
| Logic-Low Input Current | IIL | VIN = VSS | -1 | μA | Note 1 | ||
| Input Leakage Current | IIL | IOH = -1.0mA | -0.1 | +0.1 | μA | Note 1 | |
| VCOM Voltage | VCOM Voltage | VCOM Voltage | VCOM Voltage | VCOM Voltage | VCOM Voltage | VCOM Voltage | VCOM Voltage |
| VCOM amplitude | VCOM | VSS | V | ||||
| Source Driver | Source Driver | Source Driver | Source Driver | Source Driver | Source Driver | Source Driver | Source Driver |
| Source Output Range | Vsout | VAN | VAP | V | |||
| Gamma Reference Voltage(Positive) | VAP | 4.45 | 6.4 | V | Note 6 | ||
| Gamma Reference Voltage(Negative) | VAN | -4.6 | -2.65 | V | |||
| Source Output Settling Time | Tr | Below with 99% precision | 20 | us | Note 2 | ||
| Output Offset Voltage | VOFFSET | 35 | mV | Note 3 |
- TA= -30 to 70 (to +85 no damage). °C °C
- Source channel loading= 2K Ω +12pF/channel, Gate channel loading=5K Ω +40pF/channel.
- The Max. value is between measured point of source output and gamma setting value.
- When evaluating the maximum and minimum of VGH, VDD=2.8V.
Version 1.3 Page 38 of 316 2014/03
- The maximum value of |VGH-VGL| can no over 30V.
- Default register setting of Vcom and Vcomoffset is 20h
Version 1.3 Page 39 of 316 2014/03
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