ST STDP4028 handbook
Contents
1. ky STDP4028 DisplayPort transmitter Features Enhanced DisplayPort DP transmitter DP 1 1a compliant Embedded DisplayPort eDP compliant 1 2 or 4 lanes Data brief HDCP repeater capability Acts as downstream transmitter Spread spectrum on DisplayPort LVDS and TTL interfaces for EMI reduction Supports deep color and color format conversion m Higher bandwidth Turbo mode 3 24 Gbps RGB YCC 4 4 4 10 bit color per lane supports YCC 4 2 2 4 2 0 12 bit color T 1920 x 1080 FHD 120 Hz 10 bit color RGB 4 4 4 to YCC 4 4 4 conversion and video standard timings and 7 1 Ch audio viceversa 2560 x 1600 WQXGA 2560 x 2048 L tion 20 mW standb QSXGA 60 Hz 10 bit color graphics and OW POWE OP eleven u MIY StaNGDY 7 1 Ch audio 12C to AUX bridge for EDID MCCS pass m Interface compatibility with wide range of irough display controller ICs Supports HBR Turbo speed over HBR RBR LVTTL 60 wide and LVDS quad bus matediione cables lesmrand ore video interface Package 8 Ch 12S and SPDIF audio interface 164 LFBGA 12 x 12 mm 0 8 mm m Robust AUX channel Power supply voltages Link service maintenance 3 3V I O 1 2 V core 12C over AUX MCCS DDC _ IR full duplex UART protocol Applications m Configurable through 12C host interface m Digital TV do2. PRODUCTS ARE NOT RECOMMENDED AUTHORIZED OR WARRANTED FOR USE IN MILITARY AIR CRAFT SPACE LIFE SAVING OR LIFE SUSTAINING APPLICATIONS NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY DEATH OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE ST PRODUCTS WHICH ARE NOT SPECIFIED AS AUTOMOTIVE GRADE MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER S OWN RISK Resale of ST products with provisions different from the statements and or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever any liability of ST ST and the ST logo are trademarks or registered trademarks of ST in various countries Information in this document supersedes and replaces all information previously supplied The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners 2010 STMicroelectronics All rights reserved STMicroelectronics group of companies Australia Belgium Brazil Canada China Czech Republic Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Philippines Singapore Spain Sweden Switzerland United Kingdom United States of America www st com ky Doc ID 15886 Rev 1 7 7
3. cation specific protocols such as MCCS DDC UART IR as well as the dedicated DisplayPort link training and device management functions The STDP4028 supports RGB and YCC video color formats with color depth of 12 YCC 4 2 2 only 10 and 8 bits This device offers LVDS and LVTTL input interface configurable to map a wide range of display controller products The Quad LVDS interface supports video signals up to 400 MHz pixel rate with flexible channel and lane swapping options The 60 bit LVTTL input ports on STDP4028 can be mapped to transfer video data either in two pixels per clock or single pixel per clock of a chosen color depth The STDP4028 also supports both compressed and uncompressed audio formats This device comprises four I2S audio inputs supporting up to 8 channels LPCM audio and a single wire SPDIF input for encoded audio The STDP4028 features HDCP 1 3 content protection scheme with an embedded key option for secure transmission of digital audio video content In addition it supports the HDCP repeater function and thus acts as a downstream transmitter suitable for two box TV and HDMI DVI to DP converter applications The STDP4028 can be configured by an external host through the 12C host interface This IC also includes general purpose inputs outputs that can be used for controlling system components The STDP4028 features a color space converter RGB to YCC and YCC to RGB for flexible interface with external video processing dev
4. cking station STB game m Supports HDCP 1 3 with on chip keys console etc QLVDS TTL 60 eee Video Receiver DisplayPort Transmitter o DP Output 12S SPDIF 12S SPDIF Audio Receiver 12C Host Crystal 12C Interface Oscillator GPIO Master Il P yH September 2010 Doc ID 15886 Rev 1 1 7 For further information contact your local STMicroelectronics sales office www st com Description STDP4028 2 7 Description The STDP4028 is a DisplayPort transmitter IC for the secure transmission of high bandwidth uncompressed digital audio video signals targeted for applications such as DTV LCD monitor docking station and other types of display systems STDP4028 is a VESA DP 1 1a and eDP compliant device implementing a single link DisplayPort output port comprising four main lanes auxiliary channel and HPD In addition to the standard HBR 2 7 Gbps and RBR 1 62 Gbps speeds this device supports turbo speed of 3 24 Gbps per lane with a total link bandwidth of 12 96 Gbps The higher bandwidth provides unique benefits to users over other commercial DP transmitters for embedded applications by offering additional margin to support higher color depth resolution and refresh rate For example STDP4028 supports FHD non reduced blanking video 1080p 30 bit color per pixel at 120 Hz plus 7 1 Ch audio in two box TV applications The high speed auxiliary channel in STDP4028 acts as a bidirectional communication link supporting appli
5. erve the right to make changes corrections modifications or improvements to this document and the products and services described herein at any time without notice All ST products are sold pursuant to ST s terms and conditions of sale Purchasers are solely responsible for the choice selection and use of the ST products and services described herein and ST assumes no liability whatsoever relating to the choice selection or use of the ST products and services described herein No license express or implied by estoppel or otherwise to any intellectual property rights is granted under this document If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein UNLESS OTHERWISE SET FORTH IN ST S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE ST
6. ices Figure 1 System diagram LVDSx4 TTL 60 bits Video Audio STDP4028 DisplayPort Processor 125 8 CHY SPDIF 12C for Host 27 MHZ Interface and 12C over AUX crystal Doc ID 15886 Rev 1 ky STDP4028 Benefits 2 Benefits ST DP transmitter offers proven interoperability with commercial DP monitors 20 higher link bandwidth compared to other commercial DP transmitters supports FHD 120 Hz 10 bit non reduced blank timing for embedded applications Supports both external DP and embedded eDP applications HDCP repeater capability applicable for two box TV and HDMI DVI to DP converters Embedded HDCP keys On chip microprocessor enables stand alone operation for customized applications Flexible interface to ease system design DP 1 2 4 lane configuration LVDS LVTTL port YCC RGB color format Low EMI Low power Doc ID 15886 Rev 1 3 7 Feature attributes STDP4028 3 4 7 Feature attributes Video Up to 2560 x 2048 60 Hz 2560 x 1600 60 Hz FHD 120 Hz at 10 bits per color 8 10 12 bits per color option RGB YCC color format Audio 8 Ch 12S word length up to 64 x Fs bit depth up to 32 bits sample rate up to 192 kHz SPDIF 2 Ch LPCM AC3 DTS bit depth up to 24 bits sample rate up to 192 kHz Input interface Video TTL 60 48 bits wide QLVDS 8 10 per color Audio 12S 8 Ch SPDIF x1 Output in
7. terface DP 1 1a 4 lanes AUX HPD supported link speed 3 24 Gbps 2 7 Gbps 1 62 Gbps Spread spectrum Supported on DP output and LVDS TTL inputs AUX capabilities UART I2C over AUX MCCS DDC etc IR HDCP On chip keys HDCP repeater Color format conversion RGB 4 4 4 to YCC 4 4 4 and vice versa System configuration 12C host interface for control by an external system microprocessor Package 164LFBGA 12 x 12 mm 1 mm thickness 0 8 pitch Power Sub 900 mW max 20 mW standby ESD 2 KV HBM 200 V MM 750 V CDM Doc ID 15886 Rev 1 ky STDP4028 Ordering information 4 Ordering information Table 1 Order codes Part number STDP4028 Description 164 LFBGA 12 x 12 mm In order to meet environmental requirements ST offers these devices in different grades of ECOPACK packages depending on their level of environmental compliance ECOPACK specifications grade definitions and product status are available at www st com ECOPACK is an ST trademark Doc ID 15886 Rev 1 5 7 Revision history STDP4028 5 6 7 Revision history Table 2 Document revision history Date Revision Changes 15 Sep 2010 1 Initial release Doc ID 15886 Rev 1 STDP4028 Please Read Carefully Information in this document is provided solely in connection with ST products STMicroelectronics NV and its subsidiaries ST res
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ST STDP4028 handbook