Datasheet

STM8S105xx
Electrical characteristics
Symbol Parameter Conditions Typ Max
(1)
Unit
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.
10.3.2.2 Total current consumption in wait mode
Table 23: Total current consumption in wait mode at VDD = 5 V
Symbol Parameter Conditions Typ Max
(1)
Unit
I
DD(WFI)
Supply current in wait
mode
f
CPU
= f
MASTER
= 16 MHz HSE crystal
osc.
(16 MHz)
2.15 mA
HSE user ext.
clock
(16 MHz)
1.55 2.0
HSI RC osc.
(16 MHz)
1.5 1.9
f
CPU
= f
MASTER
/128 = 125
kHz
HSI RC osc.
(16 MHz)
1.3
f
CPU
= f
MASTER
/128 =
15.625 kHz
HSI RC osc.
(16 MHz/8)
(2)
0.7
f
CPU
= f
MASTER
= 128 kHz LSI RC osc.
(128 kHz)
0.5
Notes:
(1)
Data based on characterization results, not tested in production.
(2)
Default clock configuration measured with all peripherals off.
Table 24: Total current consumption in wait mode at VDD = 3.3 V
Symbol Parameter Conditions Typ Max
(1)
Unit
I
DD(WFI)
Supply current in wait
mode
f
CPU
= f
MASTER
= 16 MHz HSE crystal
osc.
(16 MHz)
1.75 mA
HSE user ext.
clock
1.55 2.0
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