ST STM32L4+ Series Reference Manual page 1479

RM0432
41.4.2 LPTIM pins and internal signals
The following tables provide the list of LPTIM pins and internal signals, respectively.
Names
LPTIM_IN1
LPTIM_IN2
LPTIM_ETR
LPTIM_OUT
Names
lptim_pclk
lptim_ker_ck
lptim_in1
lptim_in2
lptim_ext_trigx
lptim_out
lptim_it
lptim_wakeup
1. Only applies to LPTIM1
41.4.3 LPTIM trigger mapping
The LPTIM external trigger connections are detailed hereafter:
Low-power timer (LPTIM) applied to STM32L4Rxxx and STM32L4Sxxx only
Table 291. LPTIM input/output pins
Signal type
Digital input
Digital input
Digital input
Digital output
Table 292. LPTIM internal signals
Signal type
Digital input
Digital input
Digital input
Digital input
Digital input
Digital output
Digital output
Digital output
Table 293. LPTIM1 external trigger connection
TRIGSEL
lptim_ext_trig0
lptim_ext_trig1
lptim_ext_trig2
lptim_ext_trig3
lptim_ext_trig4
lptim_ext_trig5
lptim_ext_trig6
lptim_ext_trig7
RM0432 Rev 6
Description
LPTIM Input 1 from GPIO pin
LPTIM Input 2 from GPIO pin
LPTIM external trigger GPIO pin
LPTIM Output GPIO pin
Description
LPTIM APB clock domain
LPTIM kernel clock
Internal LPTIM input 1
(1)
Internal LPTIM input 2
LPTIM external trigger input x
LPTIM counter output
LPTIM global interrupt
LPTIM wakeup event
External trigger
RTC alarm A
RTC alarm B
RTC_TAMP1 input detection
RTC_TAMP2 input detection
RTC_TAMP3 input detection
COMP1_OUT
COMP2_OUT
GPIO
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