Atmel ATtiny25, Manual

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7598H–AVR–07/09
ATtiny25/45/85
15.2 Timer/Counter1 Dead Time A - DT1A
The dead time value register A is an 8-bit read/write register.
The dead time delay of is adjusted by the dead time value register, DT1A. The register consists
of two fields, DT1AH3..0 and DT1AL3..0, one for each complementary output. Therefore a differ-
ent dead time delay can be adjusted for the rising edge of OC1A and the rising edge of OC1A.
• Bits 7..4- DT1AH3..DT1AH0: Dead Time Value for OC1A Output
The dead time value for the OC1A output. The dead time delay is set as a number of the pres-
caled timer/counter clocks. The minimum dead time is zero and the maximum dead time is the
prescaled time/counter clock period multiplied by 15.
• Bits 3..0- DT1AL3..DT1AL0: Dead Time Value for
OC1A
Output
The dead time value for the
OC1A
output. The dead time delay is set as a number of the pres-
caled timer/counter clocks. The minimum dead time is zero and the maximum dead time is the
prescaled time/counter clock period multiplied by 15.
15.3 Timer/Counter1 Dead Time B - DT1B
The dead time value register Bis an 8-bit read/write register.
The dead time delay of is adjusted by the dead time value register, DT1B. The register consists
of two fields, DT1BH3..0 and DT1BL3..0, one for each complementary output. Therefore a differ-
ent dead time delay can be adjusted for the rising edge of OC1A and the rising edge of OC1A.
• Bits 7..4- DT1BH3..DT1BH0: Dead Time Value for OC1B Output
The dead time value for the OC1B output. The dead time delay is set as a number of the pres-
caled timer/counter clocks. The minimum dead time is zero and the maximum dead time is the
prescaled time/counter clock period multiplied by 15.
• Bits 3..0- DT1BL3..DT1BL0: Dead Time Value for
OC1B
Output
The dead time value for the
OC1B
output. The dead time delay is set as a number of the pres-
caled timer/counter clocks. The minimum dead time is zero and the maximum dead time is the
prescaled time/counter clock period multiplied by 15.
Bit 7 6 5 4 3 2 1 0
$25 ($45) DT1AH3 DT1AH2 DT1AH1 DT1AH0 DT1AL3 DT1AL2 DT1AL1 DT1AL0 DT1A
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0
Bit 7 6 5 4 3 2 1 0
$25 ($45) DT1BH3 DT1BH2 DT1BH1 DT1BH0 DT1BL3 DT1BL2 DT1BL1 DT1BL0 DT1B
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0