<p><span>2021</span><span>年</span><span>01</span><span>月</span><span>27</span><span>日</span><span>—</span><span>RISC-V CPU</span><span>解决方案领导者晶心科技宣布推出新</span><span>AndesCore™</span><span>处理器</span><span>IP</span><span>：</span><span>高效能超纯量多核</span><span>A45MP</span><span>和</span><span>AX45MP</span><span>处理器</span><span>，</span><span>及具备第二级</span><span>（</span><span>L2</span><span>）</span><span>缓存</span><span>控制器</span><span>（</span><span>cache controller</span><span>）</span><span>的</span><span>A27L2</span><span>和</span><span>AX27L2</span><span>处理器。</span></p>
<p><span>AndesCore™ 45</span><span>系列为顺序</span><span>（</span><span>in-order</span><span>）</span><span>8</span><span>级双发射</span><span>RISC-V</span><span>处理器</span><span>，</span><span>具备</span><span>DSP</span><span>（</span><span>RISC-V P</span><span>扩</span><span>展</span><span>指令</span><span>），</span><span>以及单</span><span>/</span><span>双精度浮点运算单元以及支持</span><span>Linux</span><span>系统应用的内存管理单元</span><span>（</span><span>MMU</span><span>）</span><span>。其中，高效能单核</span><span>32</span><span>位</span><span>A45/D45/N45</span><span>和</span><span>64</span><span>位</span><span>AX45/NX45</span><span>在</span><span>2020</span><span>年第三季推出后，已获许多客户采用。最新</span><span>32</span><span>位</span><span>A45MP</span><span>及</span><span>64</span><span>位</span><span>AX45MP</span><span>最多支持</span><span>4</span><span>核，结合可选用的</span><span>L2</span><span>缓存</span><span>控制器，满足如</span><span>AR/VR</span><span>、人工智能</span><span>/</span><span>机器学习、</span><span>5G</span><span>、车载信息娱乐系统（</span><span>IVI</span><span>）、先进驾驶辅助系统（</span><span>ADAS</span><span>）、视讯</span><span>/</span><span>图像处理、企业级储存装置、连网装置等等高负荷运算需求的应用。</span></p>
<p><span>32</span><span>位</span><span>A27L2</span><span>和</span><span>64</span><span>位</span><span>AX27L2</span><span>为</span><span>AndesCore™ 27</span><span>系列最新成员，承袭</span><span>27</span><span>系列首先推出的</span><span>MemBoost</span><span>功能，以较高的带宽和较低的存取延迟，利用多笔并行的数据存取和</span><span>I/D</span><span>预取（</span><span>prefetch</span><span>）大幅提升内存子系统效能。为了进一步提升海量存储器应用的效能，</span><span>A27L2</span><span>和</span><span>AX27L2</span><span>的</span><span>L2</span><span>缓存</span><span>控制器能增加</span><span>2</span><span>倍的内存带宽，并降低</span><span>70%</span><span>的内存存取延迟。</span></p>
<p><span>「</span><span>45MP</span><span>处理器核对晶心科技和</span><span>RISC-V</span><span>爱好者来说是个重要的里程碑，」晶心科技总经理林志明表示。「我们很高兴晶心科技的</span><span>RISC-V</span><span>多核处理器核心可满足客户对于高效能应用处理器的需求。</span><span>45</span><span>系列处理器支持目录式（</span><span>directory-based</span><span>）缓存一致性协议，可支持更多的核心。同时，我们很高兴宣布</span><span>27</span><span>系列的新成员</span><span>A27L2</span><span>和</span><span>AX27L2</span><span>，这两款新产品提供整合</span><span>L2</span><span>缓存</span><span>控制器，适合</span><span>追</span><span>求节能的入门级</span><span>Linux</span><span>系统应用。」</span></p>
<p><span>「多核处理器透过使用</span><span>多个内核以</span><span>提升效能，适合高度平行运算的应用，</span><span>45MP</span><span>支持最多</span><span>4</span><span>个</span><span>CPU</span><span>核，搭配</span><span>Coherence Manager</span><span>和可选用的</span><span>L2</span><span>缓存</span><span>控制器。</span><span>Coherence Manager</span><span>能确保</span><span>Level 1</span><span>（</span><span>L1</span><span>）</span><span>缓存</span><span>、</span><span>L2</span><span>缓存</span><span>和</span><span>cacheless</span><span>总线主控器之间的缓存一致性，让共享内存存取可进行高效率传输。」晶心科技技术长暨执行副总经理苏泓萌表示。「相较于单发射的</span><span>27</span><span>系列处理器，设计精良的双发射</span><span>45</span><span>系列处理器仅需额外的</span><span>50%</span><span>面积及动态功耗，便可提升</span><span>70%</span><span>的效能。在</span><span>12</span><span>纳</span><span>米制程下，操作频率最高可达</span><span>2.4 GHz</span><span>。同样地，具备</span><span>L2</span><span>缓存</span><span>控制器和</span><span>MemBoost</span><span>的</span><span>27L2</span><span>处理器，相当适合仅需单一</span><span>内</span><span>核但仍需海量存储器子系统效能的设计。</span><span>45</span><span>系列以及</span><span>27</span><span>系列能提供多元的处理器解决方案，满足各种</span><span>SoC</span><span>设计需求。」</span></p>
<p><span>这些新产品都支持晶心的</span><span>V5</span><span>架构，也符合最新</span><span>RISC-V</span><span>扩充指令，以及晶心</span><span>V5</span><span>创新功能，包括</span><span>PowerBrake</span><span>、</span><span>QuickNap™</span><span>、可节省功耗的</span><span>WFI</span><span>、提供堆栈上溢</span><span>/</span><span>下溢（</span><span>stack overflow/underflow</span><span>）保护的</span><span>StackSafe™</span><span>以及能在</span><span>RISC-V C</span><span>扩</span><span>展</span><span>指令以外进一步提高程序代码密度的</span><span>CoDense™</span><span>。此外，</span><span>45</span><span>系列和</span><span>27</span><span>系列处理器可利用所有晶心开发工具来协助系统的设计开发，包括</span><span>AndeSight™ IDE</span><span>、</span><span>Andes Custom Extension™</span><span>框架，并享有</span><span>RISC-V</span><span>生态圈的优势，从安全解决方案到系统级功能以及硬件除错</span><span>/</span><span>追踪子系统都全面提供支持。</span></p>
<p><span>……………………</span><span>关</span><span>…</span><span>于</span><span>…</span><span>晶</span><span>…</span><span>心</span><span>……………………</span></p>
<p><span>晶心科技股份有限公司于</span><span>2005</span><span>年成立于新竹科学园区</span><span>，</span><span>2017</span><span>年于台湾证交所上市</span><span>(TWSE: 6533)</span><span>。晶心是</span><span>RISC-V</span><span>国际协会</span><span>(RISC-V International)</span><span>的创始首席会员，也是第一家采用</span><span>RISC-V</span><span>作为其第五代架构</span><span>AndeStar™</span><span>基础的主流</span><span>CPU</span><span>供货商。为了满足当今电子设备的苛刻要求，晶心提供了可配置性高的</span><span>32/64</span><span>位高效</span><span>CPU</span><span>核心，包含</span><span>DSP</span><span>、</span><span>FPU</span><span>、</span><span>Vector</span><span>、超纯量</span><span>(Superscalar)</span><span>及多核心系列，可应用于各式</span><span>SoC</span><span>与应用场景。晶心并提供功能齐全的整合开发环境和全面的软</span><span>/</span><span>硬件解决方案，可帮助客户在短时间内创新其</span><span>SoC</span><span>设计。</span><span>2020</span><span>年</span><span>Andes-Embedded™ SoC</span><span>的年出货量突破</span><span>20</span><span>亿颗，而截至</span><span>2020</span><span>年底，嵌入</span><span>AndesCore™</span><span>的</span><span>SoC</span><span>累积出货量已超过</span><span>60</span><span>亿颗。</span></p>
<p><span>晶心科技全面的</span><span>RISC-V CPU</span><span>系列涵盖了入门级</span><span>32</span><span>位</span><span>N22</span><span>、中阶</span><span>32</span><span>位</span><span>N25F/D25F/A25/A27</span><span>和</span><span>64</span><span>位</span><span>NX25F/AX25/AX27</span><span>以及高阶多核</span><span>A(X)25MP</span><span>和向量处理器</span><span>NX27V</span><span>，以及近期则推出的最新超纯量的</span><span>45</span><span>系列。关于更多晶心科技的信息，欢迎参阅晶心科技官网：</span><a href="http://www.andestech.com/"><span>http://www.andestech.com/</span></a></…;