ST STM32G0 1 Series User Manual

RM0444 Rev 5 833/1390
RM0444 Low-power timer (LPTIM)
856
26.4.2 LPTIM pins and internal signals
The following tables provide the list of LPTIM pins and internal signals, respectively.
26.4.3 LPTIM input and trigger mapping
The LPTIM external trigger and input connections are detailed hereafter:
Table 132. LPTIM input/output pins
Names Signal type Description
LPTIM_IN1 Digital input LPTIM Input 1 from GPIO pin on mux input 0
LPTIM_IN2 Digital input LPTIM Input 2 from GPIO pin on mux input 0
LPTIM_ETR Digital input LPTIM external trigger GPIO pin
LPTIM_OUT Digital output LPTIM Output GPIO pin
Table 133. LPTIM internal signals
Names Signal type Description
lptim_pclk Digital input LPTIM APB clock domain
lptim_ker_ck Digital input LPTIM kernel clock
lptim_in1_mux1 Digital input Internal LPTIM input 1 connected to mux input 1
lptim_in1_mux2 Digital input Internal LPTIM input 1 connected to mux input 2
lptim_in1_mux3 Digital input Internal LPTIM input 1 connected to mux input 3
lptim_in2_mux1 Digital input Internal LPTIM input 2
(1)
connected to mux input 1
1. Only applies to LPTIM1
lptim_in2_mux2 Digital input Internal LPTIM input 2
(1)
connected to mux input 2
lptim_in2_mux3 Digital input Internal LPTIM input 2
(1)
connected to mux input 3
lptim_ext_trigx Digital input LPTIM external trigger input x
lptim_out Digital output LPTIM counter output
lptim_it Digital output LPTIM global interrupt
lptim_wakeup Digital output LPTIM wakeup event
Table 134. LPTIM1 external trigger connection
TRIGSEL External trigger
lptim_ext_trig0 GPIO pin as LPTIM1_ETR alternate function
lptim_ext_trig1 RTC ALARM A
lptim_ext_trig2 RTC ALARM B
lptim_ext_trig3 TAMP1 input detection
lptim_ext_trig4 TAMP2 input detection
lptim_ext_trig5 COMP3_OUT

ST STM32G0 1 Series Specifications

General

Brand	ST
Model	STM32G0 1 Series
Category	Microcontrollers
Language	English