attiny167-esxz ATMEL Corporation, attiny167-esxz Datasheet - Page 97

• Manufacturer Part Number: attiny167-esxz
• Description: 8-bit Avr 8-bit Microcontroller Microcontroller With 16k Bytes In-system Programmable Flash And Lin Controller
• Manufacturer: ATMEL Corporation

7728A–AUTO–07/08
When OC0A is connected to the pin, the function of the COM0A1:0 bits depends on the
WGM01:0 bit setting.
are set to a normal or CTC mode (non-PWM).
Table 10-1.
Table 10-2
mode.
Table 10-2.
Note:
Table 10-3
correct PWM mode.
Table 10-3.
Note:
• Bit 5:2 – Res: Reserved Bits
These bits are reserved in the ATtiny167 and will always read as zero.
COM0A1
COM0A1
COM0A1
0
0
1
1
0
0
1
1
0
0
1
1
1. A special case occurs when OCR0A equals TOP and COM0A1 is set. In this case, the Com-
1. A special case occurs when OCR0A equals TOP and COM0A1 is set. In this case, the Com-
pare Match is ignored, but the set or clear is done at TOP. See
for more details.
pare Match is ignored, but the set or clear is done at TOP. See
page 91
shows the COM0A1:0 bit functionality when the WGM01:0 bits are set to fast PWM
shows the COM01:0 bit functionality when the WGM01:0 bits are set to phase
Compare Output Mode, non-PWM Mode
Compare Output Mode, Fast PWM Mode
Compare Output Mode, Phase Correct PWM Mode
COM0A0
COM0A0
COM0A0
for more details.
0
1
0
1
0
1
0
1
0
1
0
1
Table 10-1
Description
Normal port operation, OC0A disconnected.
Clear OC0A on Compare Match.
Set OC0A at BOTTOM (non-inverting mode).
Set OC0A on Compare Match.
Clear OC0A at BOTTOM (inverting mode).
Description
Normal port operation, OC0A disconnected.
Clear OC0A on Compare Match when up-counting.
Set OC0A on Compare Match when down-counting.
Set OC0A on Compare Match when up-counting.
Clear OC0A on Compare Match when down-counting.
Description
Normal port operation, OC0A disconnected.
Toggle OC0A on Compare Match.
Clear OC0A on Compare Match.
Set OC0A on Compare Match.
shows the COM0A1:0 bit functionality when the WGM01:0 bits
(1)
(1)
”Phase Correct PWM Mode” on
”Fast PWM Mode” on page 90
ATtiny167
97