论坛: href = " /论坛/ dialog-smartbond-bluetooth-low-energy - % E2 % 80% 93 -软件-对话框- 9 csmartbond % E2 % % E2 % 80% 80% 9 d % E7%B3%BB % E5 % 88% 97% e4%bd % 8 8 e % E5 % % E8 % 9 f % E8 % 80% 97% 93% 9 E2 % d % E7 % 89% 99% 80% 94% e8%bd % AF % E4%BB % B6”“=“sioc:容器sioc:论坛”属性=“rdfs: label skos: prefLabel”数据类型= " " >对话框Smartbond蓝牙低能量-软件/ /对话框“Smartbond”系列低功耗蓝牙——软件< / > < / div > < / div > < / div > < div class =”字段field-name-body field-type-text-with-summary field-label-hidden”> < div class = "字段条目" > < div class =”field-item甚至“财产=“内容:编码”> < p >请问下我使用DA14681的sdk: v1.0.6.968的pxp工程,系统默认时钟配置如下:< / p > < p > cm_sys_clk_init (sysclk_XTAL16M); < br / > cm_apb_set_clock_divider (apb_div1); < br / > cm_ahb_set_clock_divider (ahb_div1); < br / > cm_lp_clk_init (); < br /> ... ...< br / > / *系统时钟设置* / < br / > cm_sys_clk_set (sysclk_XTAL16M); < / p > < p >默认配置是XTAL16M, ahb: 16 m, apb: 16 m, freeRTOS的主频SystemCoreClock = (16000000 ul)。< br / >现在我希望配置是时钟源:外部晶体16 m, AHB: 4 m, APB: 2 m,代码我做了如下修改< br / > cm_apb_set_clock_divider (apb_div8); < br / > cm_ahb_set_clock_divider (ahb_div4); < br / > freeRTOS对应配置修改SystemCoreClock = (4000000 ul) < br / >我代码运行日志显示cpu时钟为4米,APB AHB的分频系数也是对的。但是da14681工作8秒后,死机了(我每秒中会记录打印消息,但8年代没消息打印了)< br / > da14681工作模式配置:pm_set_sleep_mode (pm_mode_active); < br / >请问下问题出现在哪里?< br / >非常感谢!< / p > < / div > < / div > < / div > < div class =”字段field-name-field-forum-keywords field-type-taxonomy-term-reference field-label-above”> < div class = "字段标签" >关键词:,< / div > < div class = "字段条目" > < div class =”field-item甚至“> < a href = " / resource-keywords / da14681-ahb-apb”“=“skos:概念”属性=“rdfs: label skos: prefLabel”数据类型= " " > DA14681AHB APB