EDP to LVDS conversion design circuit | EDP to LVDS adapter board circuit | Taiwan Richida CS5211 chip circuit schematic reference
CS5211--DP to LVDS
DisplayPort to LVDS converter
Dual-channel DP input, dual-link LVDS output
CS5211 is a PC designed with a display port™ to LVDS converter, which uses GPU and display port (DP™) or embedded display port (eDP™) to output and accept LVDS input display panel.
Main features of CS5211
Allows the use of LVDS display panels with DisplayPort™ or eDP™ video source devices
Supports 24-bit color depth at 1920×1200@60Hz
Parade's CrystalFree does not require external crystal or time reference™ technology
Single 3.3V or 2.5V low-power power supply, at 1200@60Hz below 1920×400mW, 24 bits per pixel
Dual power options use 3.3V or 2.5V for I/O, and 1.35V or 1.2V for the core
No firmware operation, support hardware pin configuration or initial code configuration
Optional I2C host for external EEPROM initial code loading and device configuration
Optional I2C slave interface for chip control
ESD: HBM 8kV at connector pin
Operating temperature range availability: -20°C to 70°C (commercial), -40° to 85°C (industrial)
7x7mm 56-pin QFN package (halogen-free, RoHS compliant)
DisplayPort input
Compliant with VESA DisplayPort™ Specification 1.1a
Support 18, 24 and 30 bpp RGB color format input
Includes HDCP 1.3 decryption engine with integrated HDCP key ROM
Compliant with VESA Embedded Display Port (eDP™) Specification 1.2, with auxiliary start backlight control
Support 1 channel and 2 channel main connection configuration
1.62 Gbps and 2.7Gbps link rate
Supports various GPU-specific power management protocols
Support all eDP display authentication schemes, including ASSR
Support SSC 0.5% downward expansion
Support full link training, fast link training and no link training
Low voltage differential signal interface
Single link or dual link LVDS output, clock speed up to 135MHz
Support 18 or 24 bit color depth at 1920×1200@60Hz
LVDS spread spectrum clock frequency up to 2%
Support LCD panel power sequence control
CS5211 design EDP to LVDS conversion reference circuit or EDP to LVDS conversion board reference circuit is as follows:
CS5211 design EDP to LVDS converter or EDP to LVDS transfer board design features are as follows:
The CS5211 will appear in the video source as a DP or eDP receiver device, and will act as an LVDS source device for the LVDS display panel. The device is a fully integrated solution and does not require an external CPU, memory, clock reference or voltage regulator. The CS5211 can be configured to read the EDID from the display DDC channel or from an optional external ROM connected to the CS5211 (providing an I2C host). The external ROM can also include configuration code to customize device operation and interface timing. CS5211 provides display panel power-on sequence and backlight control, including PWM generation. The backlight feature can be controlled by using the video source on the DP AUX channel of the eDP v1.2 DPCD control register. Alternatively, the video source can provide the backlight control signal to the CS5211, and the CS5211 will gate it for panel power-on sequencing, or the video source can bypass the device and directly control the panel backlight.