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ATtiny261A Datasheet(PDF) 96 Page - ATMEL Corporation

Part # ATtiny261A
Description  8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
PDF  292 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny261A Datasheet(HTML) 96 Page - ATMEL Corporation

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96
8197A–AVR–10/09
ATtiny261A/461A/861A
Figure 12-10. Compare Match Output Unit, Schematic
The general I/O port function is overridden by the Output Compare (OC1x / OC1x) from the
Dead Time Generator if either of the COM1x1:0 bits are set. However, the OC1x pin direction
(input or output) is still controlled by the Data Direction Register (DDR) for the port pin. The Data
Direction Register bit for the OC1x and OC1x pins (DDR_OC1x and DDR_OC1x) must be set as
output before the OC1x and OC1x values are visible on the pin. The port override function is
independent of the Output Compare mode.
PORTB0
DDRB0
DQ
DDRB1
PORTB1
DQ
DQ
DQ
clkI/O
PORTB2
DDRB2
D Q
DDRB3
PORTB3
D Q
D Q
D Q
PORTB4
DDRB4
DQ
DDRB5
PORTB5
DQ
DQ
DQ
1
0
1
0
OC1D
PIN
2
1
0
Dead Time
Generator D
Q
Q
OCW1D
clkTn
OC1D
PIN
Output Compare
Pin Configuration
COM1D1:0
WGM11
OC1OE5:4
1
0
1
0
1
0
OC1B
PIN
2
1
0
Dead Time
Generator B
Q
Q
OCW1B
clkTn
OC1B
PIN
Output Compare
Pin Configuration
COM1B1:0
WGM11
OC1OE3:2
1
0
1
0
OC1A
PIN
0
1
Dead Time
Generator A
Q
Q
OCW1A
clkTn
OC1A
PIN
Output Compare
Pin Configuration
COM1A1:0
WGM11
OC1OE1:0
1
0
OC1A
OC1A
OC1B
OC1B
OC1D
OC1D



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