Temperature Sensor Characteristics; Vbat Monitoring Characteristics; Timer Characteristics; Table 57. Ts Characteristics - STMicroelectronics STM32F042G4 Manual

STM32F042xx
6.3.17

Temperature sensor characteristics

Symbol
(1)
T V
L SENSE
(1)
Avg_Slope Average slope
V Voltage at 30 °C (5 °C)
30
(1)
t Startup time
START
ADC sampling time when reading the
(1)
t
S_temp
temperature
1. Guaranteed by design, not tested in production.
= 3.3 V 10 mV. The V
2. Measured at V
DDA
Temperature sensor calibration
6.3.18 V monitoring characteristics
BAT
Symbol
R Resistor bridge for V
Q
Ratio on V
(1)
Er Error on Q
(1)
t ADC sampling time when reading the V
S_vbat
1. Guaranteed by design, not tested in production.
6.3.19

Timer characteristics

The parameters given in the following tables are guaranteed by design.
Refer to
function characteristics (output compare, input capture, external clock, PWM output).
Symbol
t
res(TIM)
f
EXT
Res
TIM
t
COUNTER

Table 57. TS characteristics

Parameter
linearity with temperature
(2)
ADC conversion result is stored in the TS_CAL1 byteRefer to
30
values.
Table 58. V
BAT
Parameter
BAT
measurement
BAT
Section 6.3.14: I/O port characteristics

Table 59. TIMx characteristics

Parameter
Timer resolution time
Timer external clock
frequency on CH1 to
CH4
Timer resolution
16-bit counter clock
period
monitoring characteristics
BAT
for details on the input/output alternate
Conditions
f = 48 MHz
TIMxCLK
f = 48 MHz
TIMxCLK
TIMx (except TIM2)
TIM2
f = 48 MHz
TIMxCLK
DocID025832 Rev 2
Electrical characteristics
Min Typ
  1
-
4.0 4.3
1.34 1.43
4 -
4 -
Min Typ
- 50
- 2
–1 -
4 -
Min Max
1 -
20.8 -
f
0
TIMxCLK
0 24
- 16
- 32
1 65536
0.0208 1365
Max Unit
  2
°C
4.6 mV/°C
1.52 V
10 μs
- μs
Table 3:
Max Unit
- k
-
+1 %
- μs
Unit
t
TIMxCLK
ns
/2
MHz
MHz
bit
t
TIMxCLK
μs
87/117
94