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< div class = "- topic/p p" data-ofbid = "d131082e35__20250519091519" > Serial Peripheral Interface (SPI) 是一种高速、全双工的同步通信总线。由于其实现比较简单，没有专利限制等，因此在各种器件中得到广泛的应用。 SPI
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总线是一种行业事实标准，并没有统一的标准化组织，不同厂商在实际应用中演化出多种工作模式。< div class = "table-container" > < table class = "- topic/table table frame-all" id = "spi__table_yzq_1wy_21c" data-ofbid = "spi__table_yzq_1wy_21c" 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:33.33333333333333%" / > < col style = "width:33.33333333333333%" / > < col style = "width:33.33333333333333%" / > < / colgroup > < thead class = "- topic/thead thead" >
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< th class = "- topic/entry entry colsep-1 rowsep-1" id = "spi__table_yzq_1wy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e55__20250519091519" > 术语< / p > < / th >
< th class = "- topic/entry entry colsep-1 rowsep-1" id = "spi__table_yzq_1wy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e59__20250519091519" > 定义< / p > < / th >
< th class = "- topic/entry entry colsep-0 rowsep-1" id = "spi__table_yzq_1wy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e63__20250519091519" > 注释说明< / p > < / th >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e73__20250519091519" > SPI< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e77__20250519091519" > Serial Peripheral Interface< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e81__20250519091519" > 串行外设接口< / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e88__20250519091519" > Dual SPI< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e92__20250519091519" > Dual Serial Peripheral Interface< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e96__20250519091519" > 双路 SPI< / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e103__20250519091519" > Quad SPI< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e107__20250519091519" > Quad Serial Peripheral Interface< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e111__20250519091519" > 四路 SPI， < / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e118__20250519091519" > CPOL< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e122__20250519091519" > Clock polarity< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "spi__table_yzq_1wy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e126__20250519091519" > 时钟极性< / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "spi__table_yzq_1wy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e133__20250519091519" > CPHA< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "spi__table_yzq_1wy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e137__20250519091519" > Clock phase< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "spi__table_yzq_1wy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e141__20250519091519" > 时钟相位< / p > < / td >
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< / tr >
< / tbody > < / table > < / div > < / div >
< section class = "- topic/section section" id = "spi__section_pzl_z4s_4dc" data-ofbid = "spi__section_pzl_z4s_4dc" > < h2 class = "- topic/title title sectiontitle" > 模块特性< / h2 >
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< p class = "- topic/p p" data-ofbid = "d131082e153__20250519091519" > SPI 总线接口的应用领域：< / p >
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< ul class = "- topic/ul ul" id = "spi__ul_ztj_rvy_21c" data-ofbid = "spi__ul_ztj_rvy_21c" >
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< li class = "- topic/li li" data-ofbid = "d131082e158__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e160__20250519091519" > 存储设备： < / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e164__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e166__20250519091519" > 传感器：温度传感器、压力传感器等< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e170__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e172__20250519091519" > ADC/DAC< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e176__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e178__20250519091519" > Audio Codec< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e182__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e184__20250519091519" > LCD 显示屏幕< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e189__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e191__20250519091519" > 触摸屏幕< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e195__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e197__20250519091519" > RTC< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e201__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e203__20250519091519" > 数字电位计< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e207__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e209__20250519091519" > 游戏控制器等< / p >
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< / li >
< / ul >
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< p class = "- topic/p p" data-ofbid = "d131082e214__20250519091519" > ArtInChip SPI 支持：< / p >
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< ul class = "- topic/ul ul" id = "spi__ul_b5j_rvy_21c" data-ofbid = "spi__ul_b5j_rvy_21c" >
2025-07-22 11:15:46 +08:00
< li class = "- topic/li li" data-ofbid = "d131082e219__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e221__20250519091519" > 全双工、半双工模式< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e225__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e227__20250519091519" > DMA 读写模式< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e231__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e233__20250519091519" > CPU 读写模式< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e237__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e239__20250519091519" > 最高工作频率 100MHz< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e243__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e245__20250519091519" > 支持四线制模式：标准 4 线 SPI、DUAL SPI、QUAD SPI< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e250__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e252__20250519091519" > 支持三线制模式< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d131082e256__20250519091519" >
< p class = "- topic/p p" data-ofbid = "d131082e258__20250519091519" > 数据位传输的模式可配置， < / p >
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< / li >
< / ul >
< / section >
< section class = "- topic/section section" id = "spi__section_c5j_rvy_21c" data-ofbid = "spi__section_c5j_rvy_21c" > < h2 class = "- topic/title title sectiontitle" > 标准 4 线 SPI< / h2 >
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< p class = "- topic/p p" data-ofbid = "d131082e269__20250519091519" > 这是一种四线制的 SPI 连接和工作模式。< / p >
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< figure class = "- topic/fig fig fignone" id = "spi__fig_kvq_wvy_21c" data-ofbid = "spi__fig_kvq_wvy_21c" >
< br / > < div class = "imagecenter" > < img class = "- topic/image image imagecenter" id = "spi__image_d5j_rvy_21c" src = "../../../images/spi/4line_standard_spi.png" alt = "4line_standard_spi" / > < / 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" > 四线制标准 SPI< / span > < / figcaption > < / figure >
< / section >
< section class = "- topic/section section" id = "spi__section_e5j_rvy_21c" data-ofbid = "spi__section_e5j_rvy_21c" > < h2 class = "- topic/title title sectiontitle" > DUAL SPI< / h2 >
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< p class = "- topic/p p" data-ofbid = "d131082e290__20250519091519" > 主机端的 MISO 为 SIO0, MOSI 为 SIO1， < / p >
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< figure class = "- topic/fig fig fignone" id = "spi__fig_ibv_vvy_21c" data-ofbid = "spi__fig_ibv_vvy_21c" >
< br / > < div class = "imagecenter" > < img class = "- topic/image image imagecenter" id = "spi__image_f5j_rvy_21c" src = "../../../images/spi/dual_spi1.png" alt = "dual_spi1" / > < / 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" > 2< / span > < span class = "fig--title-label-punctuation" > . < / span > < / span > < span class = "fig--title" > 四线制 DUAL SPI< / span > < / figcaption > < / figure >
< / section >
< section class = "- topic/section section" id = "spi__section_g5j_rvy_21c" data-ofbid = "spi__section_g5j_rvy_21c" > < h2 class = "- topic/title title sectiontitle" > QUAD SPI< / h2 >
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< p class = "- topic/p p" data-ofbid = "d131082e311__20250519091519" > 主机端的 MOSI 为 IO0, MISO 为 IO1, WP 为 IO2, HOLD 为 IO3， < / p >
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< figure class = "- topic/fig fig fignone" id = "spi__fig_fqw_5vy_21c" data-ofbid = "spi__fig_fqw_5vy_21c" >
< br / > < div class = "imagecenter" > < img class = "- topic/image image imagecenter" id = "spi__image_h5j_rvy_21c" src = "../../../images/spi/quad_spi.png" alt = "quad_spi" / > < / 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" > 3< / span > < span class = "fig--title-label-punctuation" > . < / span > < / span > < span class = "fig--title" > 四线制 QUAD SPI< / span > < / figcaption > < / figure >
< / section >
< section class = "- topic/section section" id = "spi__section_i5j_rvy_21c" data-ofbid = "spi__section_i5j_rvy_21c" > < h2 class = "- topic/title title sectiontitle" > 三线制 SPI< / h2 >
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< p class = "- topic/p p" data-ofbid = "d131082e333__20250519091519" > 三线制 SPI 常用于工业控制类场景。这种接线方式，主机端使用 MOSI 作为 DIO。< / p >
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< figure class = "- topic/fig fig fignone" id = "spi__fig_qnc_5vy_21c" data-ofbid = "spi__fig_qnc_5vy_21c" >
< br / > < div class = "imagecenter" > < img class = "- topic/image image imagecenter" id = "spi__image_j5j_rvy_21c" src = "../../../images/spi/3line_spi.png" alt = "3line_spi1" / > < / 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" > 4< / span > < span class = "fig--title-label-punctuation" > . < / span > < / span > < span class = "fig--title" > 三线制 SPI< / span > < / figcaption > < / figure >
< / section >
< section class = "- topic/section section" id = "spi__section_k5j_rvy_21c" data-ofbid = "spi__section_k5j_rvy_21c" > < h2 class = "- topic/title title sectiontitle" > CPOL 与 CPHA< / h2 >
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< p class = "- topic/p p" data-ofbid = "d131082e354__20250519091519" > CPHA 是时钟相位， < / p >
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< div class = "table-container" > < table class = "- topic/table table frame-all" id = "spi__table_l5j_rvy_21c" data-ofbid = "spi__table_l5j_rvy_21c" data-cols = "2" > < caption > < / caption > < colgroup > < col style = "width:16.666666666666664%" / > < col style = "width:83.33333333333334%" / > < / colgroup > < thead class = "- topic/thead thead" >
< tr class = "- topic/row" >
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< th class = "- topic/entry entry colsep-1 rowsep-1" id = "spi__table_l5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e370__20250519091519" > CPHA< / p > < / th >
< th class = "- topic/entry entry colsep-0 rowsep-1" id = "spi__table_l5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e374__20250519091519" > 说明< / p > < / th >
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< / tr >
< / thead > < tbody class = "- topic/tbody tbody" >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_l5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e384__20250519091519" > 0< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "spi__table_l5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e388__20250519091519" > 数据采样在第 1 个边沿，数据发送在第 2 个边沿< / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "spi__table_l5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e395__20250519091519" > 1< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "spi__table_l5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e399__20250519091519" > 数据采样在第 2 个边沿，数据发送在第 1 个边沿< / p > < / td >
2025-04-23 17:54:31 +08:00
< / tr >
< / tbody > < / table > < / div >
< div class = "table-container" > < table class = "- topic/table table frame-all" id = "spi__table_m5j_rvy_21c" data-ofbid = "spi__table_m5j_rvy_21c" data-cols = "2" > < caption > < / caption > < colgroup > < col style = "width:16.666666666666664%" / > < col style = "width:83.33333333333334%" / > < / colgroup > < thead class = "- topic/thead thead" >
< tr class = "- topic/row" >
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< th class = "- topic/entry entry colsep-1 rowsep-1" id = "spi__table_m5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e419__20250519091519" > CPOL< / p > < / th >
< th class = "- topic/entry entry colsep-0 rowsep-1" id = "spi__table_m5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e423__20250519091519" > 说明< / p > < / th >
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< / tr >
< / thead > < tbody class = "- topic/tbody tbody" >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_m5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e433__20250519091519" > 0< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "spi__table_m5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e437__20250519091519" > 空闲状态时， < / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "spi__table_m5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e444__20250519091519" > 1< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "spi__table_m5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e448__20250519091519" > 空闲状态时， < / p > < / td >
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< / tr >
< / tbody > < / table > < / div >
< div class = "table-container" > < table class = "- topic/table table frame-all" id = "spi__table_n5j_rvy_21c" data-ofbid = "spi__table_n5j_rvy_21c" data-cols = "3" > < caption > < / caption > < colgroup > < col style = "width:16.393442622950822%" / > < col style = "width:29.672131147540988%" / > < col style = "width:53.934426229508205%" / > < / colgroup > < thead class = "- topic/thead thead" >
< tr class = "- topic/row" >
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< th class = "- topic/entry entry colsep-1 rowsep-1" id = "spi__table_n5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e470__20250519091519" > Mode< / p > < / th >
< th class = "- topic/entry entry colsep-1 rowsep-1" id = "spi__table_n5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e474__20250519091519" > 值< / p > < / th >
< th class = "- topic/entry entry colsep-0 rowsep-1" id = "spi__table_n5j_rvy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e478__20250519091519" > 说明< / p > < / th >
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< / tr >
< / thead > < tbody class = "- topic/tbody tbody" >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_n5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e488__20250519091519" > 0< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_n5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e492__20250519091519" > CPOL=0, CPHA=0< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "spi__table_n5j_rvy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e496__20250519091519" > 空闲时， < / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_n5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e503__20250519091519" > 1< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_n5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e507__20250519091519" > CPOL=0, CPHA=1< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "spi__table_n5j_rvy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e511__20250519091519" > 空闲时， < / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_n5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e518__20250519091519" > 2< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "spi__table_n5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e522__20250519091519" > CPOL=1, CPHA=0< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "spi__table_n5j_rvy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e526__20250519091519" > 空闲时， < / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "spi__table_n5j_rvy_21c__entry__1" > < p class = "- topic/p p" data-ofbid = "d131082e533__20250519091519" > 3< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "spi__table_n5j_rvy_21c__entry__2" > < p class = "- topic/p p" data-ofbid = "d131082e537__20250519091519" > CPOL=1, CPHA=1< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "spi__table_n5j_rvy_21c__entry__3" > < p class = "- topic/p p" data-ofbid = "d131082e541__20250519091519" > 空闲时， < / p > < / td >
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< / tr >
< / tbody > < / table > < / div >
< / section >
< / div >
< / article > < / main > < / div >
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< div class = " wh_topic_toc " > < div class = "wh_topic_label" > 在本页上< / div > < ul > < li class = "section-item" > < div class = "section-title" > < a href = "#spi__section_pzl_z4s_4dc" data-tocid = "spi__section_pzl_z4s_4dc" > 模块特性< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#spi__section_c5j_rvy_21c" data-tocid = "spi__section_c5j_rvy_21c" > 标准 4 线 SPI< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#spi__section_e5j_rvy_21c" data-tocid = "spi__section_e5j_rvy_21c" > DUAL SPI< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#spi__section_g5j_rvy_21c" data-tocid = "spi__section_g5j_rvy_21c" > QUAD SPI< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#spi__section_i5j_rvy_21c" data-tocid = "spi__section_i5j_rvy_21c" > 三线制 SPI< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#spi__section_k5j_rvy_21c" data-tocid = "spi__section_k5j_rvy_21c" > CPOL 与 CPHA< / a > < / div > < / li > < / ul > < / div >
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