assigned to WDT by writing 1 to register bit PS0WDT. The dividing rate of Prescaler0 for WDT is determined by register bits PS0SEL[2:0] and depends on WDT time-out mechanism. The dividing rate is from 1:1 to 1:128 if WDT time-out will reset NY8A051H and dividing rate is from 1:2 to 1:256 if WDT time-out will interrupt NY8A051H.
When Prescaler0 is assigned to WDT, the execution of instruction CLRWDT will clear WDT, Prescaler0 and set /TO flag to 1.
If user selects interrupt for WDT time-out mechanism, register bit WDTIF (INTF[6]) will set to 1 after WDT is expired. It may generate an interrupt request if register bit WDTIE (INTE[6]) and GIE both set to 1. WDTIF will not be clear until firmware writes 0 to WDTIF.![]()
深圳华凡电子科技有限公司成立于2016年,是一家从事集成电路芯片研发与销售的技术型企业。核对团队成员都是多年从事集成电路的设计研发,公司目前专注于MCU单片机的领域;致力于为客户提供的产品。华凡电子专注于研发高抗干扰性、高可靠性的通用型及型单片机。本公司MCU产品划分为通用类MCU、类MCU和ASIC产品三个类别,目前公司的主要产品应用从、锂电数码、小家电、消费类等领域逐步拓展到智能家居、工业控制、汽车电子等领域。