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/
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Nations Technologies Inc.
Tel
：
+86-755-86309900
：
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China
Mode
Condition
Enter
Exit
impedance state.
Note:
1.
STOP0 mode, after wake-up, the code can continue running from the stop position.
2.
In STOP2 mode, after waking up, the heap and global variables in the R-SRAM area can resume and continue
from the stopped position, and the peripherals need to be re-initialized at this time.
The running enable conditions of different modules in different power consumption modes are shown in the following
table:
Table 4-2 Blocks running state
(1)
Peripheral
Run
Sleep
Stop 0
Stop 2
Standby
VBAT
-
Wakeup
capability
-
Wakeup
capability
-
Wakeup
capability
MR
Y
Y
(3)
-
OFF
-
OFF
-
OFF
BKR
Y
Y
Y
-
Y
-
Y
-
Y
POR
Y
Y
Y
-
Y
-
Y
Y
PDR
Y
Y
Y
-
Y
-
Y
Y
-
PVD
O
O
O
O
O
O
-
-
-
BKPOR/PDR
Y
Y
Y
-
Y
-
Y
-
Y
CPU
Y
HCLK
（
O
）
HCLK
（
O
）
-
-
-
OFF
-
OFF
Flash
O
O
(4)
-
OFF
-
OFF
-
OFF
SRAM
Y
Y
Y
-
OFF
-
OFF
-
OFF
R-SRAM
Y
O
Y
-
O
-
O
-
O
Backup
Registers
Y
Y
Y
-
Y
-
Y
-
Y
DMA
O
O
-
-
-
-
-
-
-
HSI
O
O
OFF
-
OFF
-
OFF
-
OFF
HSE
O
O
OFF
-
OFF
-
OFF
-
OFF
