Datasheet
DocID026284 Rev 4 21/128
STM32F091xB STM32F091xC Functional overview
27
3.14 Timers and watchdogs
The STM32F091xB/xC devices include up to six general-purpose timers, two basic timers
and an advanced control timer.
Table 7 compares the features of the different timers.
Table 6. Number of capacitive sensing channels available
on STM32F091xB/xC devices
Analog I/O group
Number of capacitive sensing channels
STM32F091Vx STM32F091Rx STM32F091Cx
G1 3 3 3
G2 3 3 3
G3 3 3 2
G4 3 3 3
G5 3 3 3
G6 3 3 3
G7 3 0 0
G8 3 0 0
Number of capacitive
sensing channels
24 18 17
Table 7. Timer feature comparison
Timer
type
Timer
Counter
resolution
Counter
type
Prescaler
factor
DMA
request
generation
Capture/compare
channels
Complementary
outputs
Advanced
control
TIM1 16-bit
Up, down,
up/down
integer from
1 to 65536
Yes 4 3
General
purpose
TIM2 32-bit
Up, down,
up/down
integer from
1 to 65536
Yes 4 -
TIM3 16-bit
Up, down,
up/down
integer from
1 to 65536
Yes 4 -
TIM14 16-bit Up
integer from
1 to 65536
No 1 -
TIM15 16-bit Up
integer from
1 to 65536
Yes 2 1
TIM16
TIM17
16-bit Up
integer from
1 to 65536
Yes 1 1
Basic
TIM6
TIM7
16-bit Up
integer from
1 to 65536
Yes - -
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