STE2102
240x320RGB single-chip true 262K colors ramless LCD controller/driver
Data Brief
Features
Description
The STE2102 is a low power CMOS single-chip TFT controller/driver featuring an extremely low current consumption thanks to an innovative charge pump architecture. Designed to drive a 240 rows by 320RGB columns 262k colors graphic display, with amplitude modulation method, the STE2102 provides all the necessary functions in a single chip, including on-chip gate drivers supply, source drivers supply and source reference voltages generators, resulting in a minimum of externals components. STE2102 features an high-speed RGB interface to transfer flicker-free video data, an 8-bit YCrCb digital video interface and several bi-directional serial interfaces to configure the display. The IC is designed to operate with both traditional Cap-on-CE and with Cap-On-Gate panels.
240 x 320RGB display matrix 8 colors & 262K colors modes Programmable number of lines Programmable frame & N-line polarity inversion System interfaces (read and write) I2C 3-lines SPI 3-lines 9 bits Serial Interface 4-lines SPI Graphics interfaces: 16/18Bit RGB Interface 8Bit YCrCb 4:2:2 Interface Programmable Gamma look-up tables for optimum colour configuration. Fully integrated Bias system and voltage generator Designed for chip-on-glass (COG) and chip-on-foil (COF) applications Logic supply voltage range from 1.5 to 1.95V Interface and control signals supply voltage range from 1.5 to 3.6V High voltage generator supply voltage range from 2.2 to 3.6V Selectable scan direction Common electrode and gate-off switching Cap-on-common and cap-on-gate (patented) TFT structures Gate, common and source waveform timing generation digitally tunable Gate drivers voltage range from -15 to 16.5V Source drivers voltage range from 0 to 5.5V Common driver voltage range from -2.5 to 4.5V On chip calibration (with OTP Cells) of Key configuration parameters
December 2006
Rev 1
1 /4
www.st.com
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For further information contact your local STMicroelectronics sales office.
STE2102 Table 1. Key features and benefits
Features High driving capability Benefits Can drive panel sizes up to 4" Suitable for several application portable multimedia digital still camera printers handheld instrumentation Suitable for video streaming Only ~6mA when driving 3.5" panel with natural pictures Reduced number of system components Allows parameters setting for calibration and tuning at module maker side No need of external EEPROM SmarT OTP ensuring high programming yield
320RGBx240, landscape type
Video interface parallel RGB YCC Low power circuitry Requires few external components On Chip DC/DC converter
Integrated OTP (SmarT OTP)
Specific features for production Bump misalignment Bump detachment Glass break
Allows module maker to control easily assembly quality on production chain
Figure 1.
STE2102 functional block diagram
Gate drivers
VCOM driver
Source drivers
Timing controller
Control registers
Digital core logic
Grey scale & Gamma compensation
OTP memory
Booster
Control interface (SPI, I2C)
Video interface (RGB, YCC)
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Ordering information
Ordering information
Table 2. Order codes
Part number STE2102D3 Description Bumped Dice on Waffle Pack
Revision history
Table 3.
Date 20-Dec-2006
Document revision history
Revision 1 Initial release. Changes
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