Table 191. Lptim Internal Signals; Table 192. Lptim1 External Trigger Connection; Table 193. Lptim2 External Trigger Connection - STMicroelectronics STM32WL5 Series Reference Manual

RM0453
Names
lptim_pclk
lptim_ker_ck
lptim_in1
lptim_in2
lptim_ext_trigx
lptim_out
lptim_it
lptim_wakeup
1. Only applies to LPTIM1
28.4.3 LPTIM input and trigger mapping
The LPTIM external trigger and input connections are detailed hereafter.

Table 191. LPTIM internal signals

Signal type
Digital input
Digital input
Digital input
Digital input
Digital input
Digital output
Digital output
Digital output

Table 192. 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

Table 193. LPTIM2 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
RM0453 Rev 5
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
GPIO pin as LPTIM1_ETR alternate function
RTC ALARM A
RTC ALARM B
TAMP1 input detection
TAMP2 input detection
TAMP3 input detection
comp1_out
comp2_out
External trigger
GPIO pin as LPTIM2_ETR alternate function
RTC ALARM A
RTC ALARM B
TAMP1 input detection
TAMP2 input detection
TAMP3 input detection
comp1_out
comp2_out
Low-power timer (LPTIM)
947/1450
972