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ST7732 Datasheet(PDF) 1 Page - Sitronix Technology Co., Ltd. |
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ST7732 Datasheet(HTML) 1 Page - Sitronix Technology Co., Ltd. |
1 / 168 page ST Sitronix ST7732 262K Color Single-Chip TFT Controller/Driver Sitronix Technology Corp. reserves the right to change the contents in this document without prior notice. 1 1. Introduction The ST7732 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-bits/9-bits/16-bits/18-bits 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 display data RAM Display resolution: 132 (H) x RGB x 162 (V) Display data RAM (frame memory): 132 x 162 x 18-bits = 384,912 bits Output: - 396 ch source outputs (132RGB) - 162 ch gate outputs - Common electrode output Display mode (color mode) - Full color mode (idle mode off): 262K-colors - Reduce color mode (idle mode on): 8-colors (1-bit for individual R, G, B color depth) Display resolution option - 128 x 160 display with 128 x 18-bits x 160 display RAM - 120 x 160 display with 120 x 18-bits x 160 display RAM - 132 x 162 display with 132 x 18-bits x 162 display RAM Supported LC type option - Transflective (TR) LC type (When LCM1,LCM0 = “00”) - Transmissive (TM) LC type (When LCM1,LCM0 = “01”) - Low voltage (LV) LC type (When LCM1,LCM0 = “10”) - MVA LC type (When LCM1, LCM0 = “11”) Supported data format on display host interface - 12-bits/pixel: RGB= (444) using the 384k-bits frame memory and LUT - 16-bits/pixel: RGB= (565) using the 384k-bits frame memory and LUT - 18-bits/pixel: RGB= (666) using the 384k-bits frame memory Supported MCU Interface - 3-line serial interface - 4-line serial interface - 8-bits, 9-bits, 16-bits, 18-bits interface with 8080-series MCU - 8-bits, 9-bits, 16-bits, 18-bits interface with 6800-series MCU - 6-bits, 16-bits, 18-bits RGB interface with graphic controller Display features - Area scrolling - Partial display mode - Software programmable color depth mode Build-in circuit - DC/DC converter - Adjustable VCOM generation - Non-volatile (NV) memory to store initial register setting - Oscillator for display clock generation - Timing controller - supporting transflective, transmissive, low voltage, MVA type LC - Factory default value (module ID, module version, etc) are stored in NV memory - Line inversion, frame inversion NV Memory - 7-bits for ID2 - 8-bits for ID3 - 7-bits for VCOM adjustment |
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