Datasheet

STM8S105xx
Electrical characteristics
Figure 12: External capacitor CEXT
1. ESR is the equivalent series resistance and ESL is the equivalent inductance.
10.3.2 Supply current characteristics
The current consumption is measured as described in Section 7.3: "Interrupt controller".
10.3.2.1 Total current consumption in run mode
Table 21: Total current consumption with code execution in run mode at VDD = 5 V
Symbol Parameter Conditions Typ Max
(1)
Unit
I
DD(RUN)
Supply current in run mode,
code executed from RAM
f
CPU
= f
MASTER
= 16 MHz
HSE crystal
osc.
(16 MHz)
3.2
mA
HSE user
ext. clock
(16 MHz)
2.6 3.2
HSI RC osc.
(16 MHz)
2.5 3.2
f
CPU
= f
MASTER
/128 =
125 kHz
HSE user
ext. clock
(16 MHz)
1.6 2.2
HSI RC osc.
(16 MHz)
1.3 2.0
f
CPU
= f
MASTER
/128 =
15.625 kHz
HSI RC osc.
(16 MH3z/8)
0.75
f
CPU
= f
MASTER
= 128 kHz
LSI RC osc.
(128 kHz)
0.55
I
DD(RUN)
Supply current in run mode,
code executed from Flash
f
CPU
= f
MASTER
= 16 MHz
HSE crystal
osc.
(16 MHz)
7.7
HSE user
ext. clock
(16 MHz)
7.0 8.0
HSI RC osc.
(16 MHz)
7.0 8.0
f
CPU
= f
MASTER
HSI RC osc. 1.5
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