Datasheet

Electrical characteristics STM32L031x4/6
90/126 DS10668 Rev 6
6.3.18 Timer characteristics
TIM timer characteristics
The parameters given in the Table 64 are guaranteed by design.
Refer to Section 6.3.13: I/O port characteristics for details on the input/output alternate
function characteristics (output compare, input capture, external clock, PWM output).
Table 63. Comparator 2 characteristics
Symbol Parameter Conditions Min Typ Max
(1)
1. Guaranteed by characterization results.
Unit
V
DDA
Analog supply voltage - 1.65 - 3.6 V
V
IN
Comparator 2 input voltage
range
-0-V
DDA
V
t
START
Comparator startup time
Fast mode - 15 20
µs
Slow mode - 20 25
t
d slow
Propagation delay
(2)
in slow
mode
2. The delay is characterized for 100 mV input step with 10 mV overdrive on the inverting input, the non-
inverting input set to the reference.
1.65 V ≤ V
DDA
≤ 2.7 V - 1.8 3.5
2.7 V ≤ V
DDA
≤ 3.6 V - 2.5 6
t
d fast
Propagation delay
(2)
in fast
mode
1.65 V ≤ V
DDA
≤ 2.7 V - 0.8 2
2.7 V ≤ V
DDA
≤ 3.6 V - 1.2 4
V
offset
Comparator offset error - - ±4 ±20 mV
dThreshold/dt
Threshold voltage temperature
coefficient
V
DDA
= 3.3V
T
A
= 0 to 50 ° C
V- =V
REFINT
,
3/4 V
REFINT
,
1/2 V
REFINT
,
1/4 V
REFINT
.
-15 30
ppm
/°C
I
COMP2
Current consumption
(3)
3. Comparator consumption only. Internal reference voltage (necessary for comparator operation) is not
included.
Fast mode - 3.5 5
µA
Slow mode - 0.5 2
Table 64. TIMx
(1)
characteristics
Symbol Parameter Conditions Min Max Unit
t
res(TIM)
Timer resolution time
-1-t
TIMxCLK
f
TIMxCLK
= 32 MHz 31.25 - ns
f
EXT
Timer external clock
frequency on CH1 to CH4
-0f
TIMxCLK
/2 MHz
f
TIMxCLK
= 32 MHz 0 16 MHz
Res
TIM
Timer resolution - - 16 bit
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