ATTINY861A-XU Atmel, ATTINY861A-XU Datasheet - Page 68

• Manufacturer Part Number: ATTINY861A-XU
• Description: Microcontrollers (MCU) 8K Flash;125B EEPROM 128B SRAM;16 IO Pins
• Manufacturer: Atmel

Specifications of ATTINY861A-XU

• Core: RISC
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 8 KB
• Data Ram Size: 512 B
• Interface Type: SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-20
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Details

10.3.4
10.3.5
10.3.6
10.3.7
68
ATtiny261A/461A/861A
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
R/W
R/W
R/W
R/W
7
PINA7
N/A
7
PORTB7
0
7
DDB7
0
7
PINB7
N/A
6
PINA6
R/W
N/A
6
PORTB6
R/W
0
6
DDB6
R/W
0
6
PINB6
R/W
N/A
5
PINA5
R/W
N/A
5
PORTB5
R/W
0
5
DDB5
R/W
0
5
PINB5
R/W
N/A
4
PORTB4
R/W
0
4
DDB4
R/W
0
4
PINA4
R/W
N/A
4
PINB4
R/W
N/A
3
PINA3
R/W
N/A
3
PORTB3
R/W
0
3
DDB3
R/W
0
3
PINB3
R/W
N/A
2
PORTB2
R/W
0
2
DDB2
R/W
0
2
PINA2
R/W
N/A
2
PINB2
R/W
N/A
1
PORTB1
R/W
0
1
DDB1
R/W
0
1
PINA1
R/W
N/A
1
PINB1
R/W
N/A
0
PORTB0
0
0
DDB0
0
0
R/W
N/A
R/W
R/W
0
R/W
N/A
PINA0
PINB0
8197B–AVR–01/10
PORTB
DDRB
PINA
PINB