Datasheet

Electrical characteristics
STM8S105xx
Symbol Parameter Conditions Typ Max
(1)
Unit
= 2 MHz
(16 MHz/8)
(2)
f
CPU
= f
MASTER
/128 =
125 kHz
HSI RC osc.
(16 MHz)
1.35 2.0
f
CPU
= f
MASTER
/128 =
15.625 kHz
HSI RC osc.
(16 MHz/8)
0.75
f
CPU
= f
MASTER
= 128 kHz
LSI RC osc.
(128 kHz)
0.6
Notes:
(1)
Data based on characterization results, not tested in production.
(2)
Default clock configuration measured with all peripherals off.
Table 22: Total current consumption with code execution in run mode at VDD = 3.3 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)
2.8
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 MHz/8)
0.75
f
CPU
= f
MASTER
= 128
kHz
LSI RC osc.
(128 kHz)
0.55
Supply current in run mode,
code executed from Flash
f
CPU
= f
MASTER
= 16
MHz
HSE crystal
osc.
(16 MHz)
7.3
HSE user ext.
clock
(16 MHz)
7.0 8.0
HSI RC osc.
(16 MHz)
7.0 8.0
f
CPU
= f
MASTER
= 2
MHz
HSI RC osc.
(16 MHz/8)
(2)
1.5
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