Configuration item

Selectable option/ Value

Description

Timer

TIM1/ TIM8

Select timer source for PWM signal generation

PWM period (Sec)

Variable from 0 to 100

Set the period of signal. Period is a constant value and cannot changed when running.

Counter mode

TIM_CounterMode_Up

TIM_CounterMode_Down

TIM_CounterMode_CenterAligned1

TIM_CounterMode_CenterAligned2

TIM_CounterMode_CenterAligned3

Select counter Up/ Down or Center-Aligned mode.

Use Deadtime

Checked/ Unchecked

Enable/ Disable Deadtime configuration.

Dead time (Sec)

constant value 0 to 6uS

Configure the Deadtime value.

Lock Level

TIM_LOCKLevel_OFF

TIM_LOCKLevel_1

TIM_LOCKLevel_2

TIM_LOCKLevel_3

Configuration the LOCK to prevent register setup changed by un-expect write bit (software error) during runtime.

Break Options

Disable

Enable with input active high

Enable with input active low

Break option.

For Timer1, break input signal pin is PB12.

For Timer8, break input signal pin is PA6.

Automatic output enable

ON/ OFF

ON: Output auto enable after break input is reset.

OFF: Output latched shutdown when break.

Output state

Output state Enable

Output_N state Enable

Output and Output_N state Enable

Output state Enable: CH1, CH2, CH3, CH4(Ref) can be configured to enable.

Output_N state Enable: CH1N, CH2N, CH3N can be configured to enable.

Output and Output_N state Enable: All PWM output can be configured to enable.

Output Channel x/xN Pulse (x=1,2,3 and 4)

Automatic

Polarity HIGH and SET when idle        

Polarity HIGH and RESET when idle        

Polarity LOW and SET when idle        

Polarity LOW and RESET when idle

Configured the output channel polarity and idle state.

If both CHx and CHxN are configured as Automatic, then PWM output CHx will be disabled.

Sample time (Sec)

(Sample time in unit of seconds)

Time interval to update duty cycle.