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CH7511B

DisplayPort Converter Products; ·Supports Embedded DisplayPort (eDP) Specification version 1.2.\r\n·Support 2 Main Link Lanes at either 1.62Gb/s or 2.7Gb/s link rate for notebook PC applications\r\n·Supports input color depth 6, 8-bit per pixel in RGB format\r\n·Supports Enhanced Framing Mode\r\n·Support VESA and CEA timing standards up to 1920x1200 resolution in 8-bit input with 60Hz refresh rate\r\n·Support dynamic refresh rate switching\r\n·Support Gamma correction\r\n·Panel tuning methods including dithering and 6-bit + FRC\r\n·Fast and full Link Training for embedded DisplayPort system\r\n·Support eDP Authentication: Alternative Scramble Seed Reset and Alternative Framing\r\n·2 work modes: connect 27MHz crystal, inject 27MHz clock\r\n·Programmable LCD panel power sequence\r\n·Support 18-bit Single Port, 18-bit Dual Port , 24-bit Single Port and 24-bit Dual Port LVDS output interface\r\n·Support both OpenLDI and SPWG bit mapping for LVDS application\r\n·Support panel select by GPIO pins control or writing the chip registers.\r\n·Flexible LVDS output pins swapping\r\n·Blank panel during invalid input\r\n·Supports PWM. Backlight luminance level control through AUX channel, PWM pin and BLUP/BLDN pin Support Dynamic Backlight Control\r\n·Support OSD display when BLUP/BLDN pins control Backlight Luminance\r\n\r\n;

Chrontel’s CH7511B is a low-cost, low-power semiconductor device that translates the Embedded DisplayPort signal to the LVDS (Low-Voltage Differential Signaling). This innovative DisplayPort receiver with an integrated LVDS transmitter is specially designed to target the All-In-One PC and the notebook market segments. Through the CH7511B’s advanced decoding/encoding algorithm, the input eDP high-speed serialized video data can be seamlessly converted to LVDS, a popular display technology for high-speed serial links in mid/large-sized LCD displays. Leveraging the eDP’s unique source/sink “Link Training” routine, the CH7511B is capable of instantly bring up the video display to the LCD when the initialization process is completed between CH7511B and the graphic chip.\nThe CH7511B is designed to meet the Embedded DisplayPort Specification version 1.2. In the device’s receiver block, which supports two eDP Main Link Lanes input with data rate running at either 1.62Gb/s or 2.7Gb/s, can accept RGB digital formats in either 18-bit 6:6:6 or 24-bit 8:8:8 for LVDS output up to 1920x1200. To comply with GPU’s new power saving scheme such as display frame rate reduction, the CH7511B is equipped with the Dynamic Refresh Rate switching method, which can automatically reduce to the low refresh rate supported by the LVDS panel.\nThe integrated LVDS transmitter supports the single port and the dual ports LVDS outputs to drive display resolution up to WUXGA (1920x1200). CH7511B supports panel select by GPIO[0:3] pins control or writing the chip registers. To reduce EMI emission, the CH7511B’s LVDS encoder block has incorporated Spread Spectrum control and its spread percentage can be adjusted through the internal registers.\nThe Backlight On/Off and the PWM are two luminance control functions designed in the CH7511B LVDS power control module. The brightness control commands sent through AUX Channel can be dynamically translated by CH7511B and converted into LCD backlight control signal. The CH7511B will save the last setting of brightness level into the BOOT ROM and restore it upon power up. The CH7511B can dynamically adjust backlight brigntness according to video stream to save power consumption and it supports OSD display in this way.\nThe CH7511B will immediately convert the eDP signal to LVDS output after eDP Link Training is completed. This feature can be achieved by loading the panel’s EDID and the CH7511B’s configuration settings in the serial BOOT ROM connected to the CH7511B. During system power-up and upon completion of the eDP Link Training through AUX Channel, CH7511B will generate LVDS signal according to the panel power-up timing sequencing stored in the BOOT ROM.\n

CH7511B

CH7511B eDP to LVDS Converter

FEATURESGENERALDESCRIPTION ?SupportsEmbeddedDisplayPort(eDP)Specification version1.2. ?Support2MainLinkLanesateither1.62Gb/sor 2.7Gb/slinkratefornotebookPCapplications ?Supportsinputcolordepth6,8-bitperpixelinRGB format ?SupportsEnhancedFramingMode ?Su

CH7511B-BF

CH7511B eDP to LVDS Converter

FEATURESGENERALDESCRIPTION ?SupportsEmbeddedDisplayPort(eDP)Specification version1.2. ?Support2MainLinkLanesateither1.62Gb/sor 2.7Gb/slinkratefornotebookPCapplications ?Supportsinputcolordepth6,8-bitperpixelinRGB format ?SupportsEnhancedFramingMode ?Su

CH7511B-BFI

CH7511B eDP to LVDS Converter

FEATURESGENERALDESCRIPTION ?SupportsEmbeddedDisplayPort(eDP)Specification version1.2. ?Support2MainLinkLanesateither1.62Gb/sor 2.7Gb/slinkratefornotebookPCapplications ?Supportsinputcolordepth6,8-bitperpixelinRGB format ?SupportsEnhancedFramingMode ?Su

CH751H-40GP

CHENMKO
SOD-323