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ST7781 Scheda tecnica(PDF) 1 Page - Sitronix Technology Co., Ltd. |
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ST7781 Scheda tecnica(HTML) 1 Page - Sitronix Technology Co., Ltd. |
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1 / 88 page  ST ST7781 262K Color Single –Chip TFT Controller/Driver 1. Introduction The ST7781 is a single-chip controller/driver for 262K-color, graphic type TFT-LCD. It consists of 720 source line and 320 gate line driving circuits. This chip is capable of connecting directly to an external microprocessor, and accepts, 8-bits/9-bits/16-bits/18-bits parallel interface. Display data can be stored in the on-chip display data RAM of 240x320x18 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 circuit necessary to drive liquid crystal; it is possible to make a display system with the fewest components. 2. Features Driver Output: - 720ch Source Outputs (240 X RGB) - 320ch Gate Outputs - Common Electrode Output Single Chip Display RAM: -Capacity: 240x320x18 bit Support Display Color - 65K Color - 262K Color - 8-color (Idle Mode) Supported LC Type Option - MVA LC Type - Transflective LC Type - Transmissive LC Type Supported MCU Interface - 8/9/16/18-bit Interface with 8080-Series MCU - 3-line serial interface Display Features - Partial Display Mode - Resizing Function (x1/2, x1/4) Build-in Circuit - DC/DC Converter - Adjustable VCOM Generation - Oscillator for Display Clock Generation - Timing Controller - Non-volatile Memory for Factory Default Value - Line Inversion, Frame Inversion Non-Volatile Memory - 7-bits for ID Code - 5-bits for VCOM Adjustment Supply Voltage Range - Analog Supply Voltage (VDD) Range: 2.5V to 3.3V - I/O Supply Voltage (VDDI) Range: 1.65V to 3.3V Output Voltage Level - GVDD – AGND: 3V to (AVDD-0.5) V - AVDD – AGND: 4.5V to 5.6V - VCL – AGND: -2.0V to -3.0V - VCOMH – AGND: 3.0V to (AVDD-0.5) V - VCOML – AGND: (VCL+0.5) V to 0.0V - VGH – AGND: 10V to 16.5V - VGL – AGND: -5V to -14V Lower Power Consumption - CMOS Compatible Inputs - Optimized Layout for COG Assembly - Operate Temperature Range: -30 ℃ ~ +85℃ ST7781 8080 Parallel Interface :8bit/ 9 bit/16 bit /18bit Serial Interface :3- line Sitronix Technology Corp. reserves the right to change the contents in this document without prior notice. |
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