ATTINY48-MMHR Atmel, ATTINY48-MMHR Datasheet - Page 78

• Manufacturer Part Number: ATTINY48-MMHR
• Description: MCU AVR 4KB FLASH 12MHZ 28QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY48-MMHR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 24
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10.4.3
10.4.4
10.4.5
10.4.6
10.4.7
10.4.8
10.4.9
10.4.10
78
ATtiny48/88
PORTA – The Port A Data Register
DDRA – The Port A Data Direction Register
PINA – The Port A Input Pins
PORTB – The Port B Data Register
DDRB – The Port B Data Direction Register
PINB – The Port B Input Pins
PORTC – The Port C Data Register
DDRC – The Port C Data Direction Register
from the MCUCR register. See
feature.
Bit
0x0E (0x2E)
Read/Write
Initial Value
Bit
0x0D (0x2D)
Read/Write
Initial Value
Bit
0x0C (0x2C)
Read/Write
Initial Value
Bit
0x05 (0x25)
Read/Write
Initial Value
Bit
0x04 (0x24)
Read/Write
Initial Value
Bit
0x03 (0x23)
Read/Write
Initial Value
Bit
0x08 (0x28)
Read/Write
Initial Value
Bit
0x07 (0x27)
Read/Write
Initial Value
PORTB7
PORTC6
PINB7
DDB7
DDC7
R/W
R/W
R/W
R/W
N/A
R
R
R
R
7
0
7
0
7
0
7
0
7
0
7
7
0
7
0
-
-
-
PORTB6
PORTC6
PINB6
DDB6
DDC6
R/W
R/W
R/W
R/W
N/A
R
R
R
R
6
0
6
0
6
0
6
0
6
0
6
6
0
6
0
-
-
-
PORTB5
PORTC5
“Configuring the Pin” on page 61
PINB5
DDB5
DDC5
R/W
R/W
R/W
R/W
N/A
R
R
R
R
5
0
5
0
5
0
5
0
5
0
5
5
0
5
0
-
-
-
PORTB4
PORTC4
PINB4
DDB4
DDC4
R/W
R/W
R/W
R/W
N/A
R
R
R
R
4
0
4
0
4
0
4
0
4
0
4
4
0
4
0
-
-
-
PORTB3
PORTA3
PORTC3
PINA3
PINB3
DDA3
DDB3
DDC3
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
3
0
3
0
3
3
0
3
0
3
3
0
3
0
PORTA2
PORTB2
PORTC2
PINA2
PINB2
DDA2
DDB2
DDC2
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
2
0
2
0
2
2
0
2
0
2
2
0
2
0
for more details about this
PORTB1
PORTA1
PORTC1
PINA1
PINB1
DDA1
DDB1
DDC1
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
1
0
1
0
1
1
0
1
0
1
1
0
1
0
PORTA0
PORTB0
PORTC0
PINA0
PINB0
DDA0
DDB0
DDC0
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8008G–AVR–04/11
PORTB
PORTA
PORTC
DDRA
DDRB
DDRC
PINA
PINB