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AN2857 Datasheet(PDF) 23 Page - STMicroelectronics

Part # AN2857
Description  STM8S and STM8A family power management
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2857 Datasheet(HTML) 23 Page - STMicroelectronics

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AN2857
Power consumption and wakeup time measurements and results
Doc ID 15241 Rev 3
23/31
5.1.4
Power consumption results in active halt mode
These measurements are taken when the device is in halt phase of active halt mode.
5.1.5
Power consumption results in halt mode
Table 8.
Power consumption results in active halt mode (MVR on LPVR off)
Symbol
Parameter
Condition
VDD = 3.3 V VDD = 5 V Unit
Clock
Flash
ITOT
Supply current
in active halt
mode (halt
phase)
HSE crystal 24 MHz
fAWU = 24 MHz/PRSC = 128 kHz
On
700
1260
µA
Off
640
1200
HSE crystal 16MHz
fAWU = 16 MHz/PRSC = 128 kHz
On
600
1000
Off
540
940
HSE crystal 8 MHz
fAWU = 8 MHz/PRSC = 128 kHz
On
500
1040
Off
440
980
HSE crystal 4 MHz
fAWU = 4 MHz/PRSC = 128 kHz
On
460
970
Off
400
910
LSI 128 kHz
fAWU = 128 kHz
On
200
200
Off
140
140
Table 9.
Power consumption results in active halt mode (MVR off LPVR on)
Symbol
Parameter
Condition
VDD = 3.3 V
VDD = 5
V
Unit
Clock
Flash
ITOT
Supply current
in active halt
mode (halt
phase)
LSI 128 kHz
fAWU = 128 kHz
On
66
68
µA
Off
9
11
Table 10.
Power consumption results in halt mode (MVR off LPVR on)
Symbol
Parameter
Condition
VDD = 3.3 V
VDD = 5 V Unit
ITOT
Supply
current in
halt mode
Flash in operating mode
61.5
63.5
µA
Flash in power-down mode
4.5
6.5



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