Microchip Technology Inc.（美国微芯科技公司）宣布，推出全新独立实时时钟/日历（RTCC）器件系列。MCP795WXX/BXX RTCC器件具备10 MHz SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI" title="SPI">SPI接口、非易失性存储器和比竞争器件性价比更高的有效功能组合。这些新器件可减少元件数量及成本，适用于智能能源（如恒温器、电表和商用制冷）、家电（如咖啡机、燃气灶和微波炉）、汽车（如仪表板控制、汽车收音机和GPS）、消费类电子（如办公设备和视频系统），以及通信市场（如收音机、无绳电话和网络系统）等应用。
　
　　MCP795WXX/BXX RTCC器件具有毫秒报警功能，以及支持极快速数据存取的10 MHz SPI接口，从而能够实现较长的MCU休眠和省电模式，电池耗电量更少。其他低功耗功能还包括仅消耗RTCC器件最小电流的两个事件检测输入，但当按下开关或发生篡改系统事件时即可唤醒MCU。此外，这些器件作为一个标准产品还包括三种非易失性存储器：EEPROM、SRAM和一个惟一的ID（订购时可指定空白或预编程MAC地址），可进一步减少元件数量和降低与序列化编程相关的成本。利用自动电池切换功能提供备用电源，电源故障时间戳可记录任何电源故障的发生时间和持续时长；而且这些器件具有广泛的数字微调范围，可补偿晶振频率因温度的漂移，从而能够在广泛的温度范围内实现精确计时。在使用第二个低频晶振的设计中，引导时钟选项可在上电时提供32 kHz的时钟频率，无需使用第二个晶振。
　　
　　Microchip存储器产品部副总裁Randy Drwinga表示：“凭借全新的SPI RTCC器件，Microchip为客户提供了一个符合其他众多系统要求的高品质计时解决方案。我们充分发挥Microchip的核心竞争力，以更低成本将有效的功能组合集成在一个器件中，从而成功为客户带来这一最新系列。”
　　
开发工具支持
　　
　　MCP795XX SPI RTCC PICtail™ Plus子板（部件编号AC164147）将于2012年2月开始供货，届时可以通过microchipDIRECT（http://www、microchip、com/get/9RSL申请样片，并通过microchipDIRECT（http://www、microchip、com/get/321S。欲购买文中提及的产品，可通过microchipDIRECT购买，或联络任何Microchip授权分销伙伴。