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+++ b/docs/feature_backlight.md
@@ -34,13 +34,14 @@ Hardware PWM is only supported on certain pins of the MCU, so if the backlightin
Hardware PWM is supported according to the following table:
-| Backlight Pin | Hardware timer |
-|---------------|----------------|
-|`B5` | Timer 1 |
-|`B6` | Timer 1 |
-|`B7` | Timer 1 |
-|`C6` | Timer 3 |
-| other | Software PWM |
+| Backlight Pin | Hardware timer |
+|---------------|-------------------------|
+|`B5` | Timer 1 |
+|`B6` | Timer 1 |
+|`B7` | Timer 1 |
+|`C6` | Timer 3 |
+|`D4` | Timer 1 (ATmega32A only)|
+| other | Software PWM |
The [audio feature](feature_audio.md) also uses hardware timers. Please refer to the following table to know what hardware timer the software PWM will use depending on the audio configuration: