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嗨,所有,只是想张贴作为一个FYI,为任何人仍然战斗与获得RTC / RTCC正确工作在PIC32 MZ,或任何人只需要在勘误表等信息……(因为我不断地从不同的帖子在这里不同的信息,但相同的探针。EM/ErraTeNotes,我想准确地指出我所做的/经历过的使它正确运行的过程……我目前正在使用PIC32 MZEFH(PIC32 MZ2048 EFH064),在24MHz的EXT振荡器模块上运行,在200兆赫内运行内部SysCLK。正确的。(也用示波器验证,一旦我得到了SoSCO引脚设置正确。)PIC32 MZ勘误表:http://WW1.Microchip .com /下载/ En/DeVicoDC/O9000633.pdf(见RTC/次级OSC的第5页)。时钟模块I使用的是:http://www. CTCONSP.COM/WP-内容/上载/TC50。下面的代码片段是让它正常工作的设置:1)在你的初始设置中,确保这是在你的外围设置部分关闭(每个勘误表)2,确保你做以下,或者至少验证下面的位是在正确的状态…
以上来自于百度翻译 以下为原文 Hi All, Just wanted to post this as an FYI, for anyone that was still fighting with getting the RTC/RTCC working correctly on the PIC32MZ, or anyone that just needs info on the errata, etc... (as I kept coming across different tidbits of information from various posts on here, but with the same problem/errata notes, I wanted to just spell out exactly what I did/experienced to get it going correctly)... I'm currently working with the PIC32MZEFH (PIC32MZ2048EFH064), running it at 24Mhz ext oscillator module, running internal sysclk at 200Mhz. I fought with it for a little bit, before I got the setup correctly. (Also verified with an oscilloscope as well, once I got the SOSCO pin setup correctly.) PIC32MZ errata sheet: http://ww1.microchip.com/downloads/en/DeviceDoc/80000663D.pdf (see page 5 for RTC/secondary osc) The clock module I used is this one: http://www.ctscorp.com/wp-content/uploads/TC50.pdf The following code snippets are the setup that will get it working properly: 1) in your initial setup, make sure this is OFF (per errata) #pragma config FSOSCEN = OFF // secondary oscillator 2) in your peripheral setup section, make sure you do the following, or at least verify the bits below are in the correct state.. TRISCbits.TRISC14 = 1; // SOSCO input RC14 *** see PIC32MZEFH 'ERRATA' // *** for details on why SOSCO is used... /* enable the RTC clock */ RTCCONbits.RTCWREN = 1; /* rtc write enable */ RTCCONbits.RTCCLKSEL = 0b01; /* external 32.768khz clock */ RTCCONbits.ON = 1; /* turn on the clock */ RTCCONbits.RTCWREN = 0; /* rtc write disable */ Attached Image(s) |
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谢谢,这对我来说很有用,不太确定用SeaCo PIN做什么。
以上来自于百度翻译 以下为原文 Thanks, this will come in useful for me, wasn't too sure what to do with the SOSOCO pin based on the errata |
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