diff --git a/libraries/AP_HAL_ChibiOS/hwdef/MatekH7A3/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/MatekH7A3/hwdef.dat
index 6219e255d7..e5544cbdde 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/MatekH7A3/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/MatekH7A3/hwdef.dat
@@ -115,14 +115,14 @@ PB12 CAN2_RX CAN2
 PB13 CAN2_TX CAN2
 
 # PWM
-PA9  TIM1_CH2  TIM1  PWM(1)  GPIO(50)
-PA10 TIM1_CH3  TIM1  PWM(2)  GPIO(51)
-PA15 TIM2_CH1  TIM2  PWM(3)  GPIO(52)
-PB3  TIM2_CH2  TIM2  PWM(4)  GPIO(53)
-PB0  TIM3_CH3  TIM3  PWM(5)  GPIO(54)
+PA9  TIM1_CH2  TIM1  PWM(1)  GPIO(50) BIDIR
+PA10 TIM1_CH3  TIM1  PWM(2)  GPIO(51) BIDIR
+PA15 TIM2_CH1  TIM2  PWM(3)  GPIO(52) BIDIR
+PB3  TIM2_CH2  TIM2  PWM(4)  GPIO(53) 
+PB0  TIM3_CH3  TIM3  PWM(5)  GPIO(54) BIDIR
 PB1  TIM3_CH4  TIM3  PWM(6)  GPIO(55)
 PB4  TIM3_CH1  TIM3  PWM(7)  GPIO(56)
-PB5  TIM3_CH2  TIM3  PWM(8)  GPIO(57)
+PB5  TIM3_CH2  TIM3  PWM(8)  GPIO(57) BIDIR
 PB6  TIM4_CH1  TIM4  PWM(9)  GPIO(58)
 PB7  TIM4_CH2  TIM4  PWM(10) GPIO(59)
 PB8  TIM16_CH1 TIM16 PWM(11) GPIO(60)