ATtiny2313 Atmel Corporation, ATtiny2313 Datasheet - Page 58

• Manufacturer Part Number: ATtiny2313
• Manufacturer: Atmel Corporation

Specifications of ATtiny2313

• Flash (kbytes): 2 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 4
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 18
• Ext Interrupts: 18
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.12
• Eeprom (bytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

Register Description for I/O-Ports
Port A Data Register –
PORTA
Port A Data Direction
Register – DDRA
Port A Input Pins
Address – PINA
Port B Data Register –
PORTB
Port B Data Direction
Register – DDRB
Port B Input Pins
Address – PINB
Port D Data Register –
PORTD
Port D Data Direction
Register – DDRD
Port D Input Pins
Address – PIND
58
ATtiny2313
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
PORTB7
PINB7
DDB7
R/W
R/W
R/W
N/A
N/A
N/A
R
R
R
R
R
R
7
–
0
7
–
0
7
–
7
0
7
0
7
7
–
0
7
–
0
7
–
PORTB6
PORTD6
PINB6
PIND6
DDB6
DDD6
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R
R
R
6
0
6
0
6
6
0
6
0
6
6
0
6
0
6
–
–
–
PORTB5
PORTD5
PINB5
PIND5
DDB5
DDD5
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R
R
R
5
–
0
5
–
0
5
–
5
0
5
0
5
5
0
5
0
5
PORTB4
PORTD4
PINB4
PIND4
DDB4
DDD4
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R
R
R
4
–
0
4
–
0
4
–
4
0
4
0
4
4
0
4
0
4
PORTB3
PORTD3
PINB3
PIND3
DDB3
DDD3
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
3
R
0
3
R
0
3
R
3
0
3
0
3
3
0
3
0
3
–
–
–
PORTA2
PORTB2
PORTD2
PINA2
PINB2
PIND2
DDA2
DDB2
DDD2
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
2
0
2
0
2
2
0
2
0
2
2
0
2
0
2
PORTB1
PORTD1
PORTA1
PINA1
PINB1
PIND1
DDA1
DDB1
DDD1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
1
0
1
0
1
1
0
1
0
1
1
0
1
0
1
PORTB0
PORTD0
PORTA0
PINA0
PINB0
PIND0
DDA0
DDB0
DDD0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
PORTA
PORTB
PORTD
DDRA
DDRB
DDRD
PINA
PINB
PIND
2543L–AVR–08/10