ATMEga64L ATMEL Corporation, ATMEga64L Datasheet - Page 103

• Manufacturer Part Number: ATMEga64L
• Description: 8-bit AVR Microcontroller with 64K Bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

2490G–AVR–03/04
Table 53. Compare Output Mode, non-PWM Mode
Table 54 shows the COM01:0 bit functionality when the WGM01:0 bits are set to fast
PWM mode.
Table 54. Compare Output Mode, Fast PWM Mode
Note:
Table 55 shows the COM01:0 bit functionality when the WGM01:0 bits are set to phase
correct PWM mode.
Table 55. Compare Output Mode, Phase Correct PWM Mode
Note:
COM01
COM01
COM01
0
0
1
1
0
0
1
1
0
0
1
1
1. A special case occurs when OCR0 equals TOP and COM01 is set. In this case, the
1. A special case occurs when OCR0 equals TOP and COM01 is set. In this case, the
COM00
Compare Match is ignored, but the set or clear is done at TOP. See “Fast PWM
Mode” on page 97 for more details.
Compare Match is ignored, but the set or clear is done at TOP. See “Phase Correct
PWM Mode” on page 99 for more details.
0
1
0
1
COM00
COM00
0
1
0
1
0
1
0
1
Description
Normal port operation, OC0 disconnected.
Reserved.
Clear OC0 on Compare Match when up-counting. Set OC0 on Compare
Match when downcounting.
Set OC0 on Compare Match when up-counting. Clear OC0 on Compare
Match when downcounting.
Description
Normal port operation, OC0 disconnected.
Reserved
Clear OC0 on Compare Match, set OC0 at TOP.
Set OC0 on Compare Match, clear OC0 at TOP.
Description
Normal port operation, OC0 disconnected.
Toggle OC0 on Compare Match.
Clear OC0 on Compare Match.
Set OC0 on Compare Match.
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