8-bit MicrocontrollersのトピックRe: QE128, real-time counter, and ERCLK https://community.nxp.com/t5/8-bit-Microcontrollers/QE128-real-time-counter-and-ERCLK/m-p/220501#M19171 <HTML><HEAD></HEAD><BODY><P>I found the stupid error.&nbsp; I switched to the external oscillator before enabling it. :smileysilly:</P></BODY></HTML> Thu, 18 Oct 2012 20:37:44 GMT AndrewCulpepper 2012-10-18T20:37:44Z QE128, real-time counter, and ERCLK https://community.nxp.com/t5/8-bit-Microcontrollers/QE128-real-time-counter-and-ERCLK/m-p/220500#M19170 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>&nbsp;&nbsp;&nbsp; The QE128 is running from an external 32kHz crystal with a bus speed of 1.245MHz.&nbsp; I can't seem to get the real-time counter to work if the ERCLK is selected as the source.&nbsp; These are the register settings:</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>ICSC1 = %10000000</P><P>ICSC2 = %11011111</P><P>ICSSC = %00100000</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>RTCSC = %10110001</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>&nbsp;&nbsp;&nbsp; The RTC interrupt is called as expected if the LPO is selected or the IRCLK is enabled and selected as the source.</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>&nbsp;&nbsp;&nbsp; What am I missing?</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>Thanks,</P><P>&nbsp;&nbsp;&nbsp; Andrew</P></BODY></HTML> Wed, 17 Oct 2012 21:23:11 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/QE128-real-time-counter-and-ERCLK/m-p/220500#M19170 AndrewCulpepper 2012-10-17T21:23:11Z Re: QE128, real-time counter, and ERCLK https://community.nxp.com/t5/8-bit-Microcontrollers/QE128-real-time-counter-and-ERCLK/m-p/220501#M19171 <HTML><HEAD></HEAD><BODY><P>I found the stupid error.&nbsp; I switched to the external oscillator before enabling it. :smileysilly:</P></BODY></HTML> Thu, 18 Oct 2012 20:37:44 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/QE128-real-time-counter-and-ERCLK/m-p/220501#M19171 AndrewCulpepper 2012-10-18T20:37:44Z