Datasheet

104
8197C–AVR–05/11
ATtiny261A/461A/861A
Figure 12-14. PWM6 Mode, Single-slope Operation, Timing Diagram
The general I/O port function is overridden by the Output Compare value (OC1x / OC1x
) from
the Dead Time Generator if either of the COM1x[1:0] bits are set. The Output Compare pins can
also be overriden by the Output Compare Override Enable bits OC1OE5:OC1OE0. If an Over-
ride Enable bit is cleared, the actual value from the port register will be visible on the port pin
and, if the Override Enable bit is set, the Output Compare pin is allowed to be connected on the
port pin. The Output Compare Pin configurations are described in Table 12-5, Table 12-6 and
Table 12-7.
Table 12-5. Configuration of Output Compare Pins OC1A and OC1A
in PWM6 Mode
COM1A1 COM1A0 OC1A Pin (PB0) OC1A Pin (PB1)
0 0 Disconnected Disconnected
01OC1A • OC1OE0 OC1A • OC1OE1
10OC1A • OC1OE0 OC1A • OC1OE1
11OC1A • OC1OE0 OC1A • OC1OE1
Table 12-6. Configuration of Output Compare Pins OC1B and OC1B
in PWM6 Mode
COM1B1 COM1B0 OC1B Pin (PB2) OC1B Pin (PB3)
0 0 Disconnected Disconnected
01OC1A •
OC1OE2 OC1A • OC1OE3
10OC1A • OC1OE2 OC1A • OC1OE3
11OC1A • OC1OE2 OC1A • OC1OE3
TCNT1
OC1A Pin
OC1A Pin
OC1B Pin
OC1B Pin
OC1D Pin
OC1D Pin
OC1OE0
OC1OE1
OC1OE2
OC1OE3
OC1OE4
OC1OE5
OCW1A