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stm32f2xxx: comments about frequency choice

tags/v0.5.0
Øyvind Harboe 12 years ago
parent
commit
e7269e32a7
2 changed files with 6 additions and 1 deletions
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      jimtcl
  2. +5
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      tcl/target/stm32f2xxx.cfg

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jimtcl

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Subproject commit 411e92fea9621630eb350e0c2bb43543e553b84f
Subproject commit 60dfb023c4afa95047e0fa8db49830ccb46446b2

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tcl/target/stm32f2xxx.cfg View File

@@ -21,6 +21,11 @@ if { [info exists WORKAREASIZE] } {
} }


# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz # JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
#
# Since we may be running of an RC oscilator, we crank down the speed a
# bit more to be on the safe side. Perhaps superstition, but if are
# running off a crystal, we can run closer to the limit. Note
# that there can be a pretty wide band where things are more or less stable.
jtag_khz 1000 jtag_khz 1000


jtag_nsrst_delay 100 jtag_nsrst_delay 100


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