Timers And Watchdogs; Table 6. No. Of Capacitive Sensing Channels Available On Stm32F042X Devices; Table 7. Timer Feature Comparison - STMicroelectronics STM32F042G4 Manual

STM32F042xx

Table 6. No. of capacitive sensing channels available on STM32F042x devices

Analog I/O group
G1
G2
G3
G4
G5
Number of capacitive
sensing channels
3.12

Timers and watchdogs

The STM32F042x devices include up to five general-purpose timers and an advanced
control timer.
Table 7 compares the features of the advanced-control and general-purpose timers.
Timer Counter
Timer
type resolution
Advanced
TIM1
control
TIM2
TIM3
General
purpose
TIM14
TIM16,
TIM17
STM32F042Cx
STM32F042Tx
LQPF48
WLCSP36
UQFPN48
3
3
2
3
3
14

Table 7. Timer feature comparison

Counter Prescaler
type
Up, Any integer
16-bit down, between 1
up/down and 65536
Up, Any integer
32-bit down, between 1
up/down and 65536
Up, Any integer
16-bit down, between 1
up/down and 65536
Any integer
16-bit Up between 1
and 65536
Any integer
16-bit Up between 1
and 65536
DocID025832 Rev 2
Number of capacitive sensing channels
STM32F042Kx
LQFP32
UQFPN32
3 3
3 3
1
2
2
3 3
3 3
13
14
14
DMA request
factor generation
Yes
Yes
Yes
No
Yes
Functional overview
STM32F042Gx STM32F042Fx
UQFPN28
3
3
1
1
3
11
Capture/compare Complementary
channels
4
4
4
1
1
TSSOP20
3
3
0
1
0
7
outputs
Yes
No
No
No
Yes
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