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STM32F031x4 STM32F031x6
Electrical characteristics
86
6.3.17
Temperature sensor characteristics
6.3.18 V
BAT
monitoring characteristics
6.3.19 Timer
characteristics
The parameters given in the following tables are guaranteed by design.
Section 6.3.14: I/O port characteristics
for details on the input/output alternate
function characteristics (output compare, input capture, external clock, PWM output).
Table 53. TS characteristics
Symbol
Parameter
Min
Typ
Max
Unit
T
L
(1)
V
SENSE
linearity with temperature
-
1
2
°C
Avg_Slope
(1)
Average slope
4.0
4.3
4.6
mV/°C
V
30
Voltage at 30 °C (
5 °C)
(2)
1.34
1.43
1.52
V
t
START
(1)
ADC_IN16 buffer startup time
-
-
10
µs
t
S_temp
(1)
ADC sampling time when reading the
temperature
4
-
-
µs
1.
Guaranteed by design, not tested in production.
2.
Measured at V
DDA
= 3.3 V
10 mV. The V
30
ADC conversion result is stored in the TS_CAL1 byte
Temperature sensor calibration values
.
Table 54. V
BAT
monitoring characteristics
Symbol
Parameter
Min
Typ
Max
Unit
R
Resistor bridge for V
BAT
-
2 x 50
-
k
Q
Ratio on V
BAT
measurement
-
2
-
Er
(1)
Error on Q
–1
-
+1
%
t
S_vbat
(1)
ADC sampling time when reading the V
BAT
4
-
-
µs
1.
Guaranteed by design, not tested in production.
Table 55. TIMx characteristics
Symbol
Parameter
Conditions
Min
Max
Unit
t
res(TIM)
Timer resolution time
-
1
-
t
TIMxCLK
f
TIMxCLK
= 48 MHz
20.8
-
ns
f
EXT
Timer external clock
frequency on CH1 to
CH4
-
0
f
TIMxCLK
/2
MHz
f
TIMxCLK
= 48 MHz
0
24
MHz
Res
TIM
Timer resolution
TIMx (except TIM2)
-
16
bit
TIM2
-
32
t
COUNTER
16-bit counter clock
period
-
1
65536
t
TIMxCLK
f
TIMxCLK
= 48 MHz
0.0208
1365
µs
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http://www.vicor.top/
021-31660491
