D9 (OC1A)¶
Primary Timer1 Output
Overview¶
Digital pin D9 corresponds to output compare channel OC1A.
This signal is generated directly by Timer1.
Signal Path¶
Timer1
↓
OC1A
↓
D9
↓
IR2304
Characteristics¶
| Property | Value |
|---|---|
| Arduino Pin | D9 |
| Port | PB1 |
| Timer Resource | Timer1 |
| Output Compare Unit | OC1A |
Function¶
D9 carries one side of the complementary carrier waveform.
Timing is established entirely by hardware.
The processor does not directly toggle this pin.