Datasheet

STM8S207xx, STM8S208xx Electrical characteristics
Doc ID 14733 Rev 12 59/103
Total current consumption in wait mode
Table 22. Total current consumption in wait mode at V
DD
= 5 V
Symbol Parameter Conditions Typ Max
(1)
Unit
I
DD(WFI)
Supply
current in
wait mode
f
CPU
= f
MASTER
= 24 MHz,
T
A
≤ 105 °C
HSE crystal osc. (24 MHz) 2.4
mA
HSE user ext. clock (24 MHz) 1.8 4.7
f
CPU
= f
MASTER
= 16 MHz
HSE crystal osc. (16 MHz) 2.0
HSE user ext. clock (16 MHz) 1.4 4.4
HSI RC osc. (16 MHz) 1.2 1.6
f
CPU
= f
MASTER
/128 = 125 kHz HSI RC osc. (16 MHz) 1.0
f
CPU
= f
MASTER
/128 = 15.625
kHz
HSI RC osc. (16 MHz/8)
(2)
0.55
f
CPU
= f
MASTER
= 128 kHz LSI RC osc. (128 kHz) 0.5
1. Data based on characterization results, not tested in production.
2. Default clock configuration measured with all peripherals off.
Table 23. Total current consumption in wait mode at V
DD
= 3.3 V
Symbol Parameter Conditions Typ Max
(1)
Unit
I
DD(WFI)
Supply
current in
wait mode
f
CPU
= f
MASTER
= 24 MHz,
T
A
≤ 105 °C
HSE crystal osc. (24 MHz) 2.0
mA
HSE user ext. clock (24 MHz) 1.8 4.7
f
CPU
= f
MASTER
= 16 MHz
HSE crystal osc. (16 MHz) 1.6
HSE user ext. clock (16 MHz) 1.4 4.4
HSI RC osc. (16 MHz) 1.2 1.6
f
CPU
= f
MASTER
/128 = 125 kHz HSI RC osc. (16 MHz) 1.0
f
CPU
= f
MASTER
/128 = 15.625
kHz
HSI RC osc. (16 MHz/8)
(2)
0.55
f
CPU
= f
MASTER
/128 = 15.625
kHz
LSI RC osc. (128 kHz) 0.5
1. Data based on characterization results, not tested in production.
2. Default clock configuration measured with all peripherals off.