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ATtiny48 Datasheet(PDF) 73 Page - ATMEL Corporation

Part # ATtiny48
Description  8-bit Microcontroller with 4/8K Bytes In-System Programmable Flash
PDF  266 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny48 Datasheet(HTML) 73 Page - ATMEL Corporation

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73
8008C–AVR–03/09
ATtiny48/88
from the MCUCR register. See “Configuring the Pin” on page 56 for more details about this
feature.
10.4.3
PORTA – The Port A Data Register
10.4.4
DDRA – The Port A Data Direction Register
10.4.5
PINA – The Port A Input Pins
10.4.6
PORTB – The Port B Data Register
10.4.7
DDRB – The Port B Data Direction Register
10.4.8
PINB – The Port B Input Pins
10.4.9
PORTC – The Port C Data Register
10.4.10
DDRC – The Port C Data Direction Register
Bit
7
65
43
21
0
--
--
PORTA3
PORTA2
PORTA1
PORTA0
PORTA
Read/Write
R
R
R
R
R/W
R/W
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0
Bit
7
65
43
21
0
-
-
-
-
DDA3
DDA2
DDA1
DDA0
DDRA
Read/Write
R
R
R
R
R/W
R/W
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0
Bit
7
65
43
21
0
-
-
-
-
PINA3
PINA2
PINA1
PINA0
PINA
Read/Write
RR
RR
RR
RR
Initial Value
0
0
0
0
N/A
N/A
N/A
N/A
Bit
7
65
43
21
0
PORTB7
PORTB6
PORTB5
PORTB4
PORTB3
PORTB2
PORTB1
PORTB0
PORTB
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
65
43
21
0
DDB7
DDB6
DDB5
DDB4
DDB3
DDB2
DDB1
DDB0
DDRB
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
65
43
21
0
PINB7
PINB6
PINB5
PINB4
PINB3
PINB2
PINB1
PINB0
PINB
Read/Write
RR
RR
RR
RR
Initial Value
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Bit
7
65
43
21
0
PORTC6
PORTC6
PORTC5
PORTC4
PORTC3
PORTC2
PORTC1
PORTC0
PORTC
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
65
43
21
0
DDC7
DDC6
DDC5
DDC4
DDC3
DDC2
DDC1
DDC0
DDRC
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



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