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REALTEK RTD2281CL-CG 龍 Multi-Function Display Controller RTD2281CL-CG Realtek Confidential for 源 Only Brief Specification Version 1.21 Last updated: 2014/01/08 1

REALTEK RTD2281CL-CG 1. FEATURES ........................................................................................................................................................................3 2. ORDERING INFORMATION ...........................................................................................................................................5 3. 4. CHIP DATA PATH BLOCK DIAGRAM ...........................................................................................................................6 PIN DIAGRAM ..................................................................................................................................................................7 76 Pin MQFN .................................................................................................................................................. 7 Table of Pin Assignment ................................................................................................................................. 8 MCU GPIO Assignment ............................................................................................................................... 12 5. ELECTRIC SPECIFICATION .........................................................................................................................................13 DC Characteristics ........................................................................................................................................ 13 6. MECHANICAL SPECIFICATION ..................................................................................................................................14 76 Pin Package (MQFN) .............................................................................................................................. 14 Realtek Confidential for 源 Only 龍 2

REALTEK RTD2281CL-CG 1. Features General  Embedded 2 DDC with DDC1/2B/CI  Zoom scaling up and down  Embedded one MCU with SPI flash controller   Require only one crystal to generate all timing  Programmable internal low-voltage-reset (LVR)  High resolution 4 channels PWM output, and It contains 3 ADCs in key pad application wide range selectable PWM frequency  Support input format up to FHD  Embedded 1.2V LDO  Embedded PC 99 support Crystal  Analog RGB Input Interface   14.318MHz 1 Analog input support Integrated 8-bit, triple-channel 210MHz ADC/PLL  Embedded programmable Schmitt trigger of HSYNC  Support Sync-On-Green (SOG) and various kinds of composite sync modes  On-chip high-performance hybrid PLL  High resolution true 64 phases ADC PLL  YPbPr support up to HDTV 1080p resolution DVI 1.0 Compliant Digital Input Interface with HDCP 1.1  Single link on-chip TMDS receiver  Long cable support to 1.65GHz  Adaptive algorithm for TMDS capability  Data enable only mode support  High-Bandwidth Digital Content Protection  Enhanced protection of HDCP secret key 龍  Advanced zoom algorithm provides high image quality  Sharpness/Smooth filter enhancement Color Processor  True 10 bits color processing engine    Advanced dithering logic for 18-bit panel color xvYCC support sRGB compliance depth enhancement  Dynamic overshoot-smear canceling engine  Brightness and contrast control  Programmable 10-bit gamma support  Peaking/Coring function for video sharpness VividColorTM   Dynamic contrast control (DCC) Output Interface  Fully programmable display timing generator  Flexible data pair swapping for easier system Independent color management (ICM)  Display clock supports up to 93MHz for Single LVDS and 186MHz for Dual LVDS  LVDS-output interface on single PCB  Support 8-bit LVDS output  Spread-Spectrum DPLL to reduce EMI  Fixed Last Line output for perfect panel Embedded OSD  Embedded 16.5K SRAM dynamically stores OSD command and fonts  Support multi-color RAM font, 1, 2 and 4-bit per Realtek Confidential for 源 Only capability design pixel Embedded MCU  Industrial standard 8051 core with external serial flash  Low speed ADC for various applications  I2C Master hardware support Auto Detection /Auto Calibration   Compatibility with standard VESA mode and Input format detection support user-defined mode  Smart engine for Phase/Image position/Color calibration Scaling  Fully programmable zoom ratios  Independent horizontal/vertical scaling  64 color palette  Maximum 18 window with alpha-blending/ gradient / gradient target color / gradient reversed color/ dynamic fade-in/fade-out, bordering/ shadow/3D window type  Rotary 90,180,270 degree   Programmable blinking effects for each character  OSD-made internal pattern generator for factory Independent row shadowing/bordering mode  Support 12x18~4x18 proportional font  Hardware decompression for OSD font  Support OSD scrolling  Support 2 independent font based OSD Power Supply 3

RTD2281CL-CG REALTEK  3.3V  Low standby current (< 4mA) Realtek Confidential for 源 Only 龍 4

REALTEK RTD2281CL-CG 2. Ordering Information Part No. VGA DVI HDCP OD FRC Max. Output PKG Resolution RTD2281CL-CG Yes (210MHz) Yes Yes No No 1920x1080 Dual-LVDS MQFN76 (green package) Realtek Confidential for 源 Only 龍 76 Pin MQFN 5

RTD2281CL-CG REALTEK 3. Chip Data Path Block Diagram Figure1 Realtek Confidential for 源 Only 龍 76 Pin MQFN 6 VGA/YPbPrOSDCDRMCULS-ADC12-bit PWMIICscale-downFIFOscale-upContrast/BrightnesssRGBD-ditherOutput-gammaColor conv.DDCFlash controllerDCCICMY-peakingDCRBlendingdigital filterLVDSADCDVI8101010101012108D-domain PG81010Highlight windowdisptop1010

REALTEK RTD2281CL-CG 4. Pin Diagram 76 Pin MQFN Realtek Confidential for 源 Only 龍 76 Pin MQFN 7 29282726252423222119181716151413121110987654321TXEC-_8b3031323334353637384142434445464748495051525354555657TXE2+_8bTXE3+_8bTXE3-_8bTXEC+_8bTXE2-_8bTXE1+_8bTXE1-_8bTXE0+_8bTXE0-_8b61626364656667686970717273747576TXD/IICSDA/GPIOTMDS_5VGPO/PWM3XOXIADC_5VGPIOGPIORXD/IICSCL/GPIOVCCKPWM2/GPIO/DVI_CTRL_OUT1PVCCGPIO/TXO3+_8bGPIO/TXO3-_8bGPIO/TXO2+_8bGPIO/TXO2-_8bGPIO/TXO1+_8bGPIO/TXO1-_8bGPIO/TXO0+_8bGPIO/TXO0-_8bAHS0AVS0TMDS_REXTB0+G0-R0-SOG0G0+B0-ADC_GNDR0+TMDS_GNDRX0P_1RXCN_1RXCP_1RX0N_1RX1N_1RX1P_1RX2N_1RX2P_1ADC_VDD33PWM0/GPIODDCSDA2/GPIODDCSCL2/GPIOVCCKSPI_SCLK/SDIOCEB/IRQBSI/MCU_SCLKSO/SCSBGPIOGPIOGPIOGPIO/PWM2/PWM3GPIOGPIO/PWM2/PWM3GPIO/PWM0/PANEL_SWIICSDA/GPIOIICSCL/GPIOPWM1/PWM3/GPIOPVCCA-ADC0/GPIOA-ADC1/GPIO/MUX_DDCSCL1A-ADC2/GPIO/MUX_DDCSDA1RXD/DDCSCL1/GPIOTXD/DDCSDA1/GPIO203940605958TMDS_VDDRTD2281CL-CG

RTD2281CL-CG REALTEK Table of Pin Assignment (I/O Legend: A = Analog, I = Input, O = Output, P = Power, G = Ground) Name I/O Pin # Description RX2P_1 RX2N_1 RX1P_1 RX1N_1 RX0P_1 RX0N_1 RXCP_1 RXCN_1 TMDS_5V AVS0 AHS0 ADC_VDD33 B0- B0+ G0- G0+ SOG0 R0- R0+ ADC_GND GPIO/PWM0 GPIO GPIO AI AI AI AI AI AI AI AI P I I 1 2 3 4 5 6 7 8 9 10 TMDS Differential signal Input TMDS Differential signal Input TMDS Differential signal Input TMDS Differential signal Input TMDS Differential signal Input TMDS Differential signal Input TMDS Differential signal Input TMDS Differential signal Input TMDS 5V for embedded PC99 ADC vertical sync input 11 ADC horizontal sync input Realtek 12 13 14 15 16 17 18 19 20 21 MCU GPIO/PWM Confidential for ADC 3.3V Power Negative BLUE analog input (Pb-) Positive BLUE analog input (Pb+) Negative GREEN analog input (Y-) Positive GREEN analog input (Y+) Sync-On-Green Negative RED analog input (Pr-) Positive RED analog input (Pr+) ADC ground 源 Only AP AI AI AI AI AI AI AI AG IO IO 22 MCU GPIO IO 23 MCU GPIO 龍 RXD/GPIO/IICSCL TXD/GPIO/IICSDA ADC_5V A-ADC0/GPIO IO IO P IO 24 MCU GPIO/IIC BUS 25 MCU GPIO/IIC BUS 26 27 ADC 5V for embedded PC99 5-bit MCU ADC Input/MCU GPIO A-ADC1/GPIO /MUX_DDCSCL1 IO 28 A-ADC2/GPIO /MUX_DDCSDA1 IO 29 5-bit MCU ADC Input /MCU GPIO /MUX_DDCSCL1 when (Page 10 , 0xAC[5] = 1) && (pin30 = 1), disable ddc function of pin33, 34 and swap to pin28, 29. 5-bit MCU ADC Input/MCU GPIO /MUX_DDCSDA1 Table of Pin Assignment 8 Note 5V tolerance even when power-off 5V tolerance even when power-off (3.3V) ADC GND 5V tolerance even when power-off 5V tolerance even when power-off 5V tolerance even when power-off 3.3V tolerance 3.3V tolerance 5V tolerance (GPIO open-drain) 5V tolerance (GPIO open-drain) 5V tolerance (GPIO open-drain)

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