• ARM: os_error & Clock Security System CSS on LSE
    void os_error(uint32_t error_code) OS_ERROR_TIMER_OVF we are using STM32L152ZE. We have enable CSS feature on LSE 32Khz. Once a failure is detected on LSE an os_error occurs with error code...
  • how to set time and date in rtc ds12c887 RAM
    I am making a digital calender using ds12c887 and at89c52. I can read the time from rtc properly. But i cannot write to rtc RAM. code fragment i am using for writing is as follows: I am using keil...
  • rtc time lag
    Hello everyone, I m interfacing a RTC of ds1307 with microcontroller c8051f020 I follow rtc datasheet My circuit is working fine. In the software, I m initializing the interrupt then smbus and after...
  • RTC
    Hi all. I have a problem whit initialize the RTC on lpc2368. I would have an interrupt every 15.6 ms from CISS register. Can someone help me also with sample code? Thanks too much.
  • RTC
    Hi, I am using inbuilt RTC in LPC2368. My query is if vdd is on(from SMPS) condition,then RTC draws power from 3.3v cell button battery or Vdd(controller core)? what is mean by, IBATact --> active...