Preliminary
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Table 3.5. Power Management
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VBODextthr-
BOD threshold on
falling external sup-
ply voltage
1.82
1.62
1.85
1.68
V
VBODintthr-
BOD threshold on
falling internally reg-
ulated supply volt-
age
V
VBODextthr+
BOD threshold on
rising external sup-
ply voltage
1.85
163
V
tRESET
Delay from reset
is released until
program execution
starts
Applies to Power-on Reset,
Brown-out Reset and pin reset.
µs
CDECOUPLE
Voltage regulator
decoupling capaci-
tor.
X5R capacitor recommended.
Apply between DECOUPLE pin
and GROUND
1
µF
3.7 Flash
Table 3.6. Flash
Symbol
Parameter
Condition
Min
Typ
Max
Unit
ECFLASH
Flash erase cycles
before failure
20000
cycles
TAMB<150°C
10000
10
h
RETFLASH
Flash data retention TAMB<85°C
TAMB<70°C
years
years
µs
20
tW_PROG
Word (32-bit) pro-
gramming time
20
tP_ERASE
tD_ERASE
IERASE
Page erase time
Device erase time
Erase current
20
40
20.4
40.8
20.8 ms
41.6 ms
71 mA
IWRITE
Write current
71 mA
VFLASH
Supply voltage dur-
ing flash erase and
write
1.8
3.8 V
1Measured at 25°C
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2013-10-09 - EFM32ZG108FXX - d0063_Rev0.60
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