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ST7735 Datasheet(PDF) 1 Page - Sitronix Technology Co., Ltd. |
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ST7735 Datasheet(HTML) 1 Page - Sitronix Technology Co., Ltd. |
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1 / 166 page  ST Sitronix ST7735 262K Color Single-Chip TFT Controller/Driver V1.7 1 2009-12-04 1 Introduction The ST7735 is a single-chip controller/driver for 262K-color, graphic type TFT-LCD. It consists of 396 source line and 162 gate line driving circuits. This chip is capable of connecting directly to an external microprocessor, and accepts Serial Peripheral Interface (SPI), 8-bit/9-bit/16-bit/18-bit parallel interface. Display data can be stored in the on-chip display data RAM of 132 x 162 x 18 bits. It can perform display data RAM read/write operation with no external operation clock to minimize power consumption. In addition, because of the integrated power supply circuits necessary to drive liquid crystal, it is possible to make a display system with fewer components. 2 Features Single chip TFT-LCD Controller/Driver with RAM On-chip Display Data RAM (i.e. Frame Memory) -132 (H) x RGB x 162 (V) bits LCD Driver Output Circuits: -Source Outputs: 132 RGB channels -Gate Outputs: 162 channels -Common electrode output Display Resolution -132 (RGB) x 162 (GM[2:0]= ”000”, DDRAM: 132 x 18-bits x 162) -128 (RGB) x 160 (GM[2:0]= ”011”, DDRAM: 128 x 18-bits x 160) Display Colors (Color Mode) -Full Color: 262K, RGB=(666) max., Idle Mode OFF -Color Reduce: 8-color, RGB=(111), Idle Mode ON Programmable Pixel Color Format (Color Depth) for Various Display Data input Format -12-bit/pixel: RGB=(444) using the 384k-bit frame memory and LUT -16-bit/pixel: RGB=(565) using the 384k-bit frame memory and LUT -18-bit/pixel: RGB=(666) using the 384k-bit frame memory and LUT Various Interfaces -Parallel 8080-series MCU Interface (8-bit, 9-bit, 16-bit & 18-bit) -3-line serial interface -4-line serial interface Display Features -Programmable partial display duty -Line inversion, frame inversion -Support both normal-black & normal-white LC -Software programmable color depth mode Built-in Circuits -DC/DC converter -Adjustable VCOM generation -Non-volatile (NV) memory to store initial register setting -Oscillator for display clock generation -Factory default value (module ID, module version, etc) are stored in NV memory -Timing controller Built-in NV Memory for LCD Initial Register Setting -7-bits for ID2 -8-bits for ID3 -7-bits for VCOM adjustment Wide Supply Voltage Range -I/O Voltage (VDDI to DGND): 1.65V~VDD (VDDI ≤ VDD) -Analog Voltage (VDD to AGND): 2.6V~3.3V On-Chip Power System -Source Voltage (GVDD to AGND): 3.0V~5.0V -VCOM HIGH level (VCOMH to AGND): 2.5V to 5.0V -VCOM LOW level (VCOML to AGND): -2.4V to 0.0V -Gate driver HIGH level (VGH to AGND): +10.0V to +15V -Gate driver LOW level (VGL to AGND): -12.4V to -7.5V Operating Temperature: -30°C to +85°C ST7735 Parallel Interface: 8-bit/9-bit/16-bit/18-bit Serial Interface: 3-line/4-line Sitronix Technology Corp. reserves the right to change the contents in this document without prior notice. |
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