RK628D是瑞芯微最新推出的一款多功能视频桥接芯片(视频接口转换芯片),可以支持3种输入7种输出,可以满足24种输入/输出场景视频转换接口组合。
现简要介绍如下:
一、规格参数
RK628D is a high-integration interface chip, which can support HDMI /parallel RGB /BT.1120 as input and dual MIPI/dual LVDS/GVI(general video interface)/parallel RGB/ BT.1120 as output with featured scaler inside. The key application scenario is extension of display output port for original application processor such as RK3288 /RK3399, or HDMI in interface providing.
1.1 Features
The features listed below which may or may not be present in actual product, may be subject to the third party licensing requirements. Please contact Rockchip for actual product feature configurations and licensing requirements.
1.1.1 Video input interface
1.1.1 Video input interface
HDMI RX interface
Compliant with HDMI 1.4/HDMI 2.0
Supports 8/10bit per component video format
Supports rgb888/yuv420
Supports Max resolution 4k@60fps (yuv420)
Supports DDC Bus I2C master interface at 3.3/5V
Supports EDID and CEC function
Parallel RX interface
Supports Max resolution 1080p@60fps
Supports 16bits BT.1120 in
Supports 24bits parallel RGB in
1.1.2 Video output interface
HDMI TX interface
Supports all DTV resolutions including 720p /1080p
Supports data rate from 25MHz, 1.65bps up to 3.4Gbps over a Single channel HDMI Internal SRAM
TMDS Tx Drivers with programmable output swing, resister values and pre-emphasis
DDC Bus I2C master interface at 3.3/5V
The EDID and CEC function are also supported by HDMI Transmitter Controller
MIPI TX interface
DSI
Compliant with MIPI DPHY V1.2
Support the DPI interface color coding mappings into 24-bit Interface
Up to 4 DPHY Data Lanes per channel
Supports data rate up to 1.2Gbps
Supports dual channel ,DSI0 and DSI1
CSI
Compliant with MIPI DPHY V1.2
Support format: YUV422
Up to 4 DPHY Data Lanes
Supports data rate up to 1.2Gbps
Supports single channel ,combine with DSI0
GVI TX interface
Supports RGB666/RGB888/RGB101010/YCbCR422-8bit/YCBCR422-10bit format
Supports Max resolution 4k@60fps
Supports up to 3.75Gbps data rate(effective data rate 3Gbps)
Supports 1/2/4/8 lanes
Supports output lanes flexible mapping
Supports 1/2 section mode
LVDS TX interface
Compliant with the Standard TIA/EIA-644-A LVDS standard
Supports data rate up to 1Gbps
Support 8bit format-1, format-2, format-3 display mode, Support 6bit display mode.
Supports dual channel LVDS
Parallel TX interface
Supports Max resolution 1080p@60fps
Supports 16bits BT.1120 out
Supports 24bits parallel RGB out
1.1.3 TX/RX adapter
Interaction of HDP signal between HDMI TX and HDMI RX
Support HDMI TX CEC function
Support RX HDCP1.3 inside-key memory. It is writable
Support HDMI RX/TX
Support on-chip EDID memory. It is readable and writable
1.1.4 Post process
CSC
RGB2YUV
YUV2RGB
YUV2VYU
Display interface
Parallel display Interface: 30-bit(RGB/YUV)
Asynchronous output pixel clock (PLL required)
Flexible display timing setting
Configurable border black area
Scaling down
Max input resolution: 4096x2160
Arbitrary non-integer scaling ratio
Support two mode: bilinear and average
Max 1/4 scaling ratio for bilinear scaling down
Max 1/6 scaling ratio for average scaling down
Scaling up
Max output resolution: 4096x2160
Arbitrary non-integer scaling ratio
Support four scaling up mode for different effect
Max 6 scaling ratio
Split
Left-right mode
Odd-even mode(LVDS only)
1.1.5 Others
Audio
Support HDMI RX I2S interface, up to 48kHz sample rate, 8 channel
Support I/O I2S interface, 8 channel
Support HDMI TX I2S interface, 8 channel
EFUSE
One-time programmable nonvolatile EFUSE storage cells organized as 64x8 bits
1.1V typical core voltage
AVDD is NOT allowed to exceed 2.75V
Burning requirements
2.5V typical burning voltage (AVDD), AVDD must be high during PGM mode. AVDD must be low or floating during READ mode and inactive mode
2us burning pulse width
Ambient temperature range of 10~40℃
Burning at wafer, package, or field level
Package Type
BGA144(body: 8mmx8mm; ball size: 0.3mm; ball pitch: 0.65mm)
1.2 Block Diagram
The following diagram shows the basic block diagram for RK628D.
二、RK628D的三大优势
1、支持视频输入输出接口丰富,并且最多支持同分辨率两路接口同时输出
输入接口:HDMI、RGB、BT.1120。
输出接口:HDMI、GVI、MIPI_CSI、单/双LVDS、单/双MIPI_DSI、RGB、BT.1120。
2、自带MCU,无需主控便可独立运行
内置MCU,无需主控便可独立运行,可极大简化硬件设计,并节约整机成本。
3、一颗芯片满足所有需求,有利于备货,成本更有优势
三、应用场景
应用场景一:多屏商业显示设备
典型产品形态:广告机
桥接方式:HDMI IN ——> MIPI/LVDS OUT,协助主控进行双屏扩展,可支持双LVDS/双MIPI接口
应用场景二:4K大屏转接产品
典型产品形态:电视屏幕、商显长条屏等
桥接方式:4K HDMI IN --> 4K GVI OUT,兼容电视GVI屏幕、商显GVI长条屏
应用场景三:智能投影仪
桥接方式:HDMI IN --> MIPI_CSI OUT(多路MIPI_CSI接口可叠加多个RK628D实现转接)
应用场景四:无线投屏
桥接方式:HDMI IN --> MIPI/LVDS OUT,支持投屏Dongle扩展显示屏功能
应用场景五:智能显示屏
桥接方式:HDMI IN --> MIPI_CSI OUT,接入主控芯片,作为智能显示屏视频输入
应用场景六:视频采集转换类产品
产品形态:云台/无人机市场图传器、直播视频采集产品、视频采集卡等
桥接方式:HDMI IN --> MIPI_CSI OUT,最高支持4K分辨
Rockchip RK628D Datasheet完整版本,点击免费下载:
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