|  | MODE | DESCRIPTION | TOP | Update OCR1x | TOV1 | 
    
      |  | 0 | Normal | 0xFFFF | Immediate | MAX | 
    
      |  | 1 | PWM, Phase Correct, 8-bit | 0x00FF | TOP | BOTTOM | 
    
      |  | 2 | PWM, Phase Correct, 9-bit | 0x01FF | TOP | BOTTOM | 
    
      |  | 3 | PWM, Phase Correct, 10-bit | 0x03FF | TOP | BOTTOM | 
    
      |  | 4 | CTC | OCR1A | Immediate | MAX | 
    
      |  | 5 | Fast PWM, 8-bit | 0x00FF | BOTTOM | TOP | 
    
      |  | 6 | Fast PWM, 9-bit | 0x01FF | BOTTOM | TOP | 
    
      |  | 7 | Fast PWM, 10-bit | 0x03FF | BOTTOM | TOP | 
    
      |  | 8 | PWM, Phase and Frequency Correct | ICR1 | BOTTOM | BOTTOM | 
    
      |  | 9 | PWM, Phase and Frequency Correct | OCR1A | BOTTOM | BOTTOM | 
    
      |  | 10 | PWM, Phase Correct | ICR1 | TOP | BOTTOM | 
    
      |  | 11 | PWM, Phase Correct | OCR1A | TOP | BOTTOM | 
    
      |  | 12 | CTC | ICR1 | Immediate | MAX | 
    
      |  | 14 | Fast PWM | ICR1A | BOTTOM | TOP | 
    
      |  | 15 | Fast PWM | OCR1A | BOTTOM | TOP |