Datasheet

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STM32L432KB STM32L432KC Functional overview
49
Table 4. Functionalities depending on the working mode
(1)
Peripheral Run Sleep
Low-
power
run
Low-
power
sleep
Stop 0/1 Stop 2 Standby Shutdow
-
Wakeup capability
-
Wakeup capability
-
Wakeup capability
-
Wakeup capability
CPU Y - Y - - -------
Flash memory (up
to 256 KB)
O
(2)
O
(2)
O
(2)
O
(2)
- -------
SRAM1 (48 KB) Y Y
(3)
YY
(3)
Y -Y-----
SRAM2 (16 KB) Y Y
(3)
YY
(3)
Y -Y-O
(4)
---
Quad SPI OOOO-
-------
Backup Registers Y Y Y Y Y
-Y-Y-Y-
Brown-out reset
(BOR)
YYYYYYYYYY- -
Programmable
Voltage Detector
(PVD)
OOOOO
OOO- ---
Peripheral Voltage
Monitor (PVMx;
x=1,3,4)
OOOOO
OOO- ---
DMA O O O O -
-------
High Speed Internal
(HSI16)
OOOO
(5)
-
(5)
-----
Oscillator RC48 O O - - - -------
High Speed
External (HSE)
OOOO-
-------
Low Speed Internal
(LSI)
OOOOO
-O-O---
Low Speed External
(LSE)
OOOOO
-O-O-O-
Multi-Speed Internal
(MSI)
OOOO-
-------
Clock Security
System (CSS)
OOOO-
-------
Clock Security
System on LSE
OOOOO
OOOOO- -
RTC / Auto wakeup O O O O O OOOOOOO
Number of RTC
Tamper pins
11111O1O1O1O
USB FS O
(8)
O
(8)
---O- -----
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