STM8S903K3 STM8S903F3
Electrical characteristics
Symbol Parameter
Conditions
128 = 15.625 kHz
Typ
Unit
Max(1)
fCPU = fMASTER
128 kHz
=
LSI RC osc. (128 kHz)
0.42
0.57
(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 25: Total current consumption in wait mode at VDD = 5 V
Symbol Parameter Conditions Typ
Unit
Max(1)
HSE crystal osc. (16 MHz)
HSE user ext. clock (16 MHz)
HSI RC osc. (16 MHz)
1.6
1.1
-
fCPU = fMASTER
16 MHz
=
1.3
1.1
0.89
fCPU = fMASTER/128 =
125 kHz
Supply
IDD(WFI) current in
wait mode
HSI RC osc. (16 MHz)
HSI RC osc. (16 MHz/8)(2)
LSI RC osc. (128 kHz)
0.7
0.88
mA
fCPU = fMASTER/128 =
15.625 kHz
0.45 0.57
fCPU = fMASTER
128 kHz
=
0.4
0.54
(1) Data based on characterization results, not tested in production.
(2) Default clock configuration measured with all peripherals off.
Table 26: Total current consumption in wait mode at VDD = 3.3 V
Symbol Parameter
Conditions
Typ
Unit
Max (1)
HSE crystal osc.
(16 MHz)
1.1
-
fCPU = fMASTER
16 MHz
=
Supply current
in wait mode
IDD(WFI)
mA
HSE user ext. clock
(16 MHz)
1.1
1.3
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