ATtiny45 datasheet(95/196 Pages) ATMEL

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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

765

43210

$25 ($45)

DT1AH3

DT1AH2

DT1AH1

DT1AH0

DT1AL3

DT1AL2

DT1AL1

DT1AL0

DT1A

Read/Write

R/W

Initial value

000

00000

Bit

765

43210

$25 ($45)

DT1BH3

DT1BH2

DT1BH1

DT1BH0

DT1BL3

DT1BL2

DT1BL1

DT1BL0

DT1B

Read/Write

R/W

Initial value

000

00000

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