Just an a side note has the errata for the RTC been fixed on the MPC855T it is not fixed on the 860T and I believe this feature is now missing on future MPC 866T, 857 variants.
If not it will draw several mA from your battery and discharge it very quickly Frank ----- Original Message ----- From: "Steven Scholz" <[EMAIL PROTECTED]> To: "Linuxppc-Embedded" <linuxppc-embedded at lists.linuxppc.org> Sent: Wednesday, January 29, 2003 9:05 AM Subject: problems with MPC8xx internal RTC !? > > Hi there, > > I am using an MPC855T, external clocked with 16 MHz. Using the internal PLLs it > runs at 80MHz/40Mhz. An 32.768KHZ crystal is connected to clock the MPCs > internal RTC. A battery is there as well. > > All seems to be fine. But I realized that the RTC runs too fast. It seems to be > releated to systems restarts. > > It tested. After 25 reboots the RTC is already SIX seconds ahead!!! > > rdate: Wed Jan 29 10:03:58 2003 > date: Wed Jan 29 10:04:04 CET 2003 > hwclock: Wed Jan 29 10:04:04 2003 0.000000 seconds > > Any ideas? > > Thanks, > > Steven > > > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/