Datasheet

VCAP external capacitor10.3.1
Stabilization for the main regulator is achieved connecting an external capacitor C
EXT
to the
V
CAP
pin. C
EXT
is specified in the Operating conditions section. Care should be taken to limit
the series inductance to less than 15 nH.
Figure 12: External capacitor C
EXT
ESR
R
Leak
ESL
C
1. ESR is the equivalent series resistance and ESL is the equivalent inductance.
Supply current characteristics10.3.2
The current consumption is measured as described in Pin input voltage.
Total current consumption in run mode10.3.2.1
Table 21: Total current consumption with code execution in run mode at V
DD
= 5 V
UnitMax
(1)
TypConditionsParameterSymbol
mA3.2HSE crystal osc.
(16 MHz)
f
CPU
= f
MASTER
= 16 MHz
Supply
current in run
mode, code
I
DD(RUN)
executed
from RAM 3.22.6HSE user ext. clock
(16 MHz)
3.22.5HSI RC osc.
(16 MHz)
2.21.6HSE user ext. clock
(16 MHz)
f
CPU
= f
MASTER
/128 =
125 kHz
2.01.3HSI RC osc.
(16 MHz)
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Electrical characteristicsSTM8S105xx