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data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d5856e4651-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mini_audio_player_user_guide.html" id="id-d5856e4651-link">MPP 音频播放器使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d5856e4724" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d5856e4724-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/lvgl/lvgl_introduction.html" id="id-d5856e4724-link">LVGL 使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d5856e4868" class="topicref" data-id="concept_nww_hzh_pzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_nww_hzh_pzb-d5856e4868-link" class="wh-expand-btn"></span><div 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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/display/display_user_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">Display 使用指南</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
|
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Read time: 2 minute(s)
|
||
</div><div class="- topic/body body"><div class="- topic/p p" data-ofbid="d235183e19__20250121171655">显示子系统 (DSS) 负责将内存中的数据转换成 LCD 信号输出。DSS 包括以下主要组件：<ul class="- topic/ul ul" id="id__ul_wqj_bsv_ddc" data-ofbid="id__ul_wqj_bsv_ddc"><li class="- topic/li li" data-ofbid="d235183e22__20250121171655">显示引擎 (DE)：提供多图层叠加，支持 Alpha Blending 和 Color Key，支持各种像素操作，例如颜色空间转换和缩放等。</li><li class="- topic/li li" data-ofbid="d235183e24__20250121171655">显示接口 (DI)：将显示输出的无缝连接到 LCD 外设，支持 <span class="- topic/ph ph">RGB/ LVDS/ MIPI-DSI/ MIPI-DBI</span>
|
||
等接口标准。</li></ul></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_ib2_srv_ddc" data-ofbid="id__table_ib2_srv_ddc" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">术语定义</span></caption><colgroup><col style="width:18.315018315018314%"/><col style="width:31.684981684981683%"/><col style="width:50%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_ib2_srv_ddc__entry__1">术语</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_ib2_srv_ddc__entry__2">定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_ib2_srv_ddc__entry__3">注释说明</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__1">DSS</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__2">Display SubSystem</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_ib2_srv_ddc__entry__3">显示子系统</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__1">DE</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__2">Display Engine</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_ib2_srv_ddc__entry__3">显示引擎</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__1">DI</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__2">Display Interface</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_ib2_srv_ddc__entry__3">显示接口，包括 RGB/LVDS/MIPI-DSI/MIPI-DBI 等</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__1">PANEL</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__2">panel</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_ib2_srv_ddc__entry__3">外接屏幕驱动</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__1">RGB</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__2">Red Green Blue</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_ib2_srv_ddc__entry__3">按红绿蓝三原色编码的显示接口标准</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__1">LVDS</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__2">Low Voltage Differential Signaling</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_ib2_srv_ddc__entry__3">低压差分信号的显示接口标准</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__1">MIPI-DSI</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_ib2_srv_ddc__entry__2">Mipi Display Serial Interface</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_ib2_srv_ddc__entry__3">MIPI 组织定义的一个显示接口标准</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_ib2_srv_ddc__entry__1">MIPI-DBI</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_ib2_srv_ddc__entry__2">Mipi Display Bus Interface</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_ib2_srv_ddc__entry__3">MIPI 组织定义的一个显示接口标准</td></tr></tbody></table></div><div class="- topic/div div section" id="id__id3">从硬件角度看，DSS 框架如下所示：<figure class="- topic/fig fig fignone" id="id__id7" data-ofbid="id__id7"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_ukg_srv_ddc" src="../../../images/display/display_system.png" width="384" alt="/display_system"/></div><br/><figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">显示子系统</span></figcaption></figure>
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||
</div><section class="- topic/section section" id="id__section_xc4_3k1_ybc" data-ofbid="id__section_xc4_3k1_ybc"><h2 class="- topic/title title sectiontitle">特性说明</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d235183e115__20250121171655"><strong class="+ topic/ph hi-d/b ph b">Display Engine</strong></p>
|
||
<ul class="- topic/ul ul" id="id__ul_yc4_3k1_ybc" data-ofbid="id__ul_yc4_3k1_ybc"><li class="- topic/li li" data-ofbid="d235183e120__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e122__20250121171655">最高性能 1920*1080@60 fps</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e125__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e127__20250121171655">支持两个显示图层，一个 Video 图层，一个 UI 图层，UI 图层内支持 4 个矩形窗口</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e130__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e132__20250121171655">UI 图层支持图像格式：ARGB8888/ XRGB8888/ RGB888/ ARGB4444/ ARGB1555/ RGB565</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e135__20250121171655">
|
||
<div class="- topic/p p" data-ofbid="d235183e137__20250121171655">Video 图层支持图像格式：<ul class="- topic/ul ul" id="id__ul_odk_zhp_bcc" data-ofbid="id__ul_odk_zhp_bcc"><li class="- topic/li li" data-ofbid="d235183e140__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e142__20250121171655">ARGB8888/ XRGB8888/ RGB888/ ARGB4444/ ARGB1555/ RGB565</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e145__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e147__20250121171655">NV12/NV21/ NV16/ NV61/ YUYV/ YVYU/ UYVY/ VYUY/ YUV400</p>
|
||
</li></ul></div>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e151__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e153__20250121171655">Video 图层的 YUV 格式支持 1/31.999x ~ 32x 缩放（RGB 格式不支持）</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e156__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e158__20250121171655">支持误差扩散 Dither</p>
|
||
</li></ul>
|
||
<p class="- topic/p p" data-ofbid="d235183e162__20250121171655"><strong class="+ topic/ph hi-d/b ph b">RGB 接口</strong></p>
|
||
<ul class="- topic/ul ul" id="id__ul_bd4_3k1_ybc" data-ofbid="id__ul_bd4_3k1_ybc"><li class="- topic/li li" data-ofbid="d235183e167__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e169__20250121171655">支持 PRGB 24/ 18/ 16-bit 模式，最高 120 MHz PIXELCLK</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e172__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e174__20250121171655">支持 SRGB 8/6-bit 模式，最高 480x320@60 fps</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e177__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e179__20250121171655">支持 8 位色深，R/G/B 三组信号可任意交叉，空白区域数据可配置</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e182__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e184__20250121171655">支持 R/G/B 组内数据高低位互换</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e187__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e189__20250121171655">PRGB/SRGB 时钟提供 4 个相位选择</p>
|
||
</li></ul>
|
||
<p class="- topic/p p" data-ofbid="d235183e194__20250121171655"><strong class="+ topic/ph hi-d/b ph b">LVDS 接口</strong></p>
|
||
<ul class="- topic/ul ul" id="id__ul_cd4_3k1_ybc" data-ofbid="id__ul_cd4_3k1_ybc"><li class="- topic/li li" data-ofbid="d235183e199__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e201__20250121171655">支持 Single Link 和 Dual Link，最高速率 700 Mbps</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e204__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e206__20250121171655">支持 VESA 和 JEIDA 模式</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e209__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e211__20250121171655">支持 18-bit 和 24-bit 数据传输</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e214__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e216__20250121171655">支持 LVDS 信号极性选择模式</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e219__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e221__20250121171655">支持 LVDS 五组差分对信号任意互换</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e224__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e226__20250121171655">支持 LVDS Link0 和 LVDS Link1 输出互换</p>
|
||
</li></ul>
|
||
<p class="- topic/p p" data-ofbid="d235183e230__20250121171655"><strong class="+ topic/ph hi-d/b ph b">MIPI-DSI 接口</strong></p>
|
||
<ul class="- topic/ul ul" id="id__ul_dd4_3k1_ybc" data-ofbid="id__ul_dd4_3k1_ybc"><li class="- topic/li li" data-ofbid="d235183e235__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e237__20250121171655">最大支持 1080P60 及衍生分辨率，支持 Video 和 Command 模式</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e240__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e242__20250121171655">Video 模式支持 Non-burst 和 Burst 两种方式</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e245__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e247__20250121171655">可配置为 1/ 2/ 3/ 4 对数据通道，每通道最大支持 1 Gbps 速率</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e250__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e252__20250121171655">支持 RGB888，RGB666，RGB666 packed，RGB565</p>
|
||
</li></ul>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/p p" data-ofbid="d235183e258__20250121171655"><strong class="+ topic/ph hi-d/b ph b">MIPI-DBI 接口</strong><ul class="- topic/ul ul" id="id__ul_xmd_sx3_ndc" data-ofbid="id__ul_xmd_sx3_ndc"><li class="- topic/li li" data-ofbid="d235183e262__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e264__20250121171655">支持 B 类接口，Intel 8080 总线</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e267__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e269__20250121171655">支持 C 类接口，SPI 总线</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e272__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e274__20250121171655">I8080 支持 24/18/16/9/8-bit 模式，最高 960x540@60 fps</p>
|
||
</li><li class="- topic/li li" data-ofbid="d235183e277__20250121171655">
|
||
<p class="- topic/p p" data-ofbid="d235183e279__20250121171655">SPI 支持 3/4-wire 以及 4-sda 模式，最高 480x320@60 fps</p>
|
||
</li></ul></div>
|
||
</div>
|
||
</section></div></article></main></div>
|
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|
||
<div class=" wh_child_links d-print-none "><nav aria-label="Child Links" role="navigation" class="- topic/related-links related-links"><ul class="ullinks"><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display_config_lite.html">Display 配置</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display_debug_lite.html">调试指南</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display_test_guide_lite.html">测试指南</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display-design_intro_2.html">设计说明</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display_panel_port_lite.html">屏适配指南</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display_fb_rotation_lite.html">屏幕旋转</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display_color_property_lite.html">色彩调整</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display_burn_process.html">烧录进度条</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display_blending.html">Blending</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display_startup_ui.html">开机动画</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/display/display_faq_screen_2.html">调屏常见问题</a></strong></li></ul></nav></div>
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<footer class="navbar navbar-default wh_footer">
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font-family: FangZhengShuSong, Times, serif;
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font-family: Arial, Helvetica, sans-serif;
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.p3 {
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font-family: "Lucida Console", "Courier New", monospace;
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--></style>
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<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
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