[avr-libc-dev] [bug #25131] Incorrect definition of default lfuse bits for ATTiny2313

[Victorien Villard]

URL:
  <http://savannah.nongnu.org/bugs/?25131>

                 Summary: Incorrect definition of default lfuse bits for
ATTiny2313
                 Project: AVR C Runtime Library
            Submitted by: vivi
            Submitted on: Sat 20 Dec 2008 02:22:29 AM GMT
                Category: Header
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Header files
                  Status: None
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: Any
           Fixed Release: None

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Details:

The definition of lfuse byte in iotn2313.h is :
#define LFUSE_DEFAULT (FUSE_CKSEL0 & FUSE_CKSEL2 & FUSE_CKSEL3 & FUSE_SUT0 &
FUSE_CKDIV8)

According to the datasheet, this should be :
#define LFUSE_DEFAULT (FUSE_CKSEL0 & FUSE_CKSEL1 & FUSE_CKSEL3 & FUSE_SUT0 &
FUSE_CKDIV8)

This has the effect of setting the default oscillator speed to 4MHz instead
of 8MHz.





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