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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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PSC（可编程伺服器／程序控制器）
可编程伺服器／程序控制器（PSC）是一个与CPU内核完全分离的协处理器，也是具有原始指令体系结构的计算单元。通过分离算术运算和定期及不定期的程序处理，大幅降低CPU内核的处理工作量。
因此通过降低CPU内核的操作频率，也降低了MCU的功率消耗。同时，CPU资源可用于其它操作。这些过程将有助于提高性能和增加功能。
启动PSC有两种方式：一种是使用CPU核心，另一种是使用外围功能。对于不同产品，采用外围功能启动PSC的方法不同。例如，如果PSC需要周期启动，则应采用间隔定时器中断。 也可以采用AD转换结束中断。当PSC启动后，它将运行存储于代码RAM中的程序，然后将计算结果或处理结果存储于数据RAM中。然后，它将运行STOP指令。这些过程将在CPU内核产生PSC结束中断，并停止操作。停止的PSC不消耗功率，处于待机状态直到接收下一个启动因子。
由于对外围功能寄存器的访问很容易，因此PSC有多种应用。
- 摄像头抖动校正功能控制和自动对焦控制
- 安全摄像头的直流光圈控制
- 电机的位置控制和速度控制
- 步进电机控制
- 外围功能控制（端口控制、串行通信控制等）
- 灵活的数据传输
产品线
采用伺服器／程序控制器接口的微控制器产品。
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