Datasheet

Functional overview STM32L031x4/6
18/126 DS10668 Rev 6
Programmable
voltage detector
(PVD)
OOOOOO-
Power-on/down
reset (POR/PDR)
YYYYYYYY
High Speed
Internal (HSI)
OO----
(2)
--
High Speed
External (HSE)
OOOO-- --
Low Speed Internal
(LSI)
OOOOO O
Low Speed
External (LSE)
OOOOO O
Multi-Speed
Internal (MSI)
OOYY-- --
Inter-Connect
Controller
YYYYY --
RTC O O O O O O O
RTC Tamper O O O O O O O O
Auto WakeUp
(AWU)
OOOOOOOO
USART O O O O O
(3)
O--
LPUART O O O O O
(3)
O--
SPI O O O O -- --
I2C O O -- -- O
(4)
O--
ADC O O -- -- -- --
Temperature
sensor
OOOOO --
Comparators O O O O O O --
16-bit timers O O O O -- --
LPTIMER O O O O O O
IWDG O O O O O O O O
WWDG O O O O -- --
SysTick Timer O O O O --
GPIOs O O O O O O 2 pins
Table 5. Functionalities depending on the working mode
(from Run/active down to standby) (continued)
(1)
IPs Run/Active Sleep
Low-
power
run
Low-
power
sleep
Stop Standby
Wakeup
capability
Wakeup
capability
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.