ATtiny461A Atmel Corporation, ATtiny461A Datasheet - Page 69

• Manufacturer Part Number: ATtiny461A
• Manufacturer: Atmel Corporation

Specifications of ATtiny461A

• Flash (kbytes): 4 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 16
• Ext Interrupts: 16
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• 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: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

10.3.4
10.3.5
10.3.6
10.3.7
8197C–AVR–05/11
PINA – Port A Input Pins Address
PORTB – Port B Data Register
DDRB – Port B Data Direction Register
PINB – Port B Input Pins Address
Bit
0x19 (0x39)
Read/Write
Initial Value
Bit
0x18 (0x38)
Read/Write
Initial Value
Bit
0x17 (0x37)
Read/Write
Initial Value
Bit
0x16 (0x36)
Read/Write
Initial Value
PORTB7
PINA7
PINB7
DDB7
R/W
R/W
R/W
R/W
N/A
N/A
7
0
7
0
7
7
PORTB6
PINA6
PINB6
DDB6
R/W
R/W
R/W
R/W
N/A
N/A
6
0
6
0
6
6
PORTB5
PINA5
PINB5
DDB5
R/W
R/W
R/W
R/W
N/A
N/A
5
0
5
0
5
5
PORTB4
PINA4
PINB4
DDB4
R/W
R/W
R/W
R/W
N/A
N/A
4
0
4
0
4
4
PORTB3
PINA3
PINB3
ATtiny261A/461A/861A
DDB3
R/W
R/W
R/W
R/W
N/A
N/A
3
0
3
0
3
3
PORTB2
PINA2
PINB2
DDB2
R/W
R/W
R/W
R/W
N/A
N/A
2
0
2
0
2
2
PORTB1
PINA1
PINB1
DDB1
R/W
R/W
R/W
R/W
N/A
N/A
1
1
0
1
0
1
PORTB0
PINA0
PINB0
DDB0
R/W
R/W
R/W
R/W
N/A
N/A
0
0
0
0
0
0
PORTB
DDRB
PINA
PINB
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