IT6633E-P

IT6633E-P


Descriptions
The IT6633 is a three-to-one HDMI v.1.3 active switch that supports a signalling rate of up to 2.25Gbps and the new Deep Color modes. The IT6633 also supports the HDMI 1.4a/3D up to 1080P/3D@24Hz/30Hz. A one-port SINK systems such as flat-panel TVs or LCD projectors could also easily upgrade to three-port by adding an IT6633 at the front. The IT6633 operates in software mode that allows the system to control it via a two-line serial interface, PCSCL/PCSDA. The IT6633 offers two selectable serial programming addresses by PCADR0.


As a active switch, the IT6633 equalizes incoming TMDS data with optimal quality regardless of the incoming signal quality. The highly acclaimed equalization technology of ITE TECH. INC. provides for support of long or low-quality HDMI cables at even the highest speeds. Input terminations of the TMDS inputs and output current levels are both programmable. In addition, the input terminations are disconnectable and hence significantly lower the system power consumption in inactive modes.


The IT6633 embeds an EDID RAM to save the cost of the Three external EDID ROMs. The process of downloading the EDID data into the RAM is simplified by the automatic read-back capability of the IT6633, minimizing the need of MCU intervention. The IT6633 also embeds three 1K-ohm resisters for HPD signal paths to save external resisters and easy to implement the plug authentication.


The IT6633 also incorporates I2C repeater in its DDC switches, which isolates the DDC capacitances of the two sides of the switch. This allows for longer cable cascading as well as significantly eases the system design to pass Test ID 8-9: DDC/CEC Line Capacitance and Voltage of the HDMI Compliance Test.


The IT6633 also distinguish itself from its peers in that it offers ±8kV of Human Body Mode ESD protection to all TMDS high-speed input pins. This saves significant costs in external high-speed ESD diodes, which could be very expensive.

Applications
DTV
Project
AVR

Features
HDMI active switch, providing superior performance over traditional passive switches
Compliant with HDMI 1.3 and DVI 1.0 standards
Support HDMI 1.4a/3D up to 1080P/3D@24Hz/30Hz
Serial data rate at up to 2.25Gbps, capable of supporting the following digital video formats in Deep Color Mode at up to 36 bits (12 bits/color):
DTV resolutions: 480i, 576i, 480p, 576p, 720p, 1080i to 1080p
PC resolutions: VGA, SVGA, XGA, SXGA to UXGA
Single 3.3V operation
Internal AC-coupling at TMDS inputs to cope with uneven intra-pair DC levels of incoming TMDS signals.
Embedded EDID RAM saves external EDID ROM costs
Embedded HDP resistors
Integrated HPD switches
Active port detection by monitoring PWR5V inputs and TMDS input clock.
DDC I2C repeater isolates backend DDC capacitive loading from frontend, enhancing the DDC operation compatibility
Human Body Mode ESD protection up to ±8kV for all TMDS differential input pins
Disconnectable input terminations with auto-calibrated impedances
Adaptive input equalization supporting long and short cables at the same time
Software-mode operation providing flexibility
Two possible serial programming device address.
Programmable TMDS output current level
Programmable source terminations compliant with HDMI 1.3 standard, providing optimal source data eyes at high speeds
High-impedance TMDS output when disabled
Optional backend receiver termination detection for auto powerdown
64-Pin LQFP package
RoHS Compliant ( 100% Green available )

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联阳半导体股份有限公司 (ITE Tech. Inc.，以下简称联阳) 成立于1996年，总公司设在新竹科学工业园区，是一家专业的 Fabless IC 设计公司， 早期深耕PC及NB控制晶片的开发设计，其Super I/O (输出入晶片)及Keyboard and Embedded Controller晶片技术已是全球领导者， 客户群涵盖各主要个人电脑制造厂商。随着公司稳健发展，联阳逐渐扩展产品及技术领域，核心技术涵盖High Speed Serial Interface、 Video Codec、Touch Sensing、Surveillance、OFDM、Sensor Fusion 等。


联阳多年来整合各种技术，积极投入研发，陆续开发许多先进IC智慧财产 (SIP) 及系统软硬体的高度整合技术 (Integrated Technology)，藉由其多样性的产品组合， 以系统平台的概念，提供客户完整之Total solution，并密切与世界领先厂商策略合作，增进开发产品的能力与速度，以提供客户高品质的产品，与客户一起成长，创造双赢的机会。