ATTINY24A-SSUR Atmel, ATTINY24A-SSUR Datasheet - Page 67

• Manufacturer Part Number: ATTINY24A-SSUR
• Description: MCU AVR 2KB FLASH 20MHZ 14SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY24A-SSUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 12
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 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: *
• Package: 14SOIC W
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 12
• Interface Type: SPI/USI
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10.3.4
10.3.5
10.3.6
10.3.7
8183C–AVR–03/11
PINA – Port A Input Pins
PORTB – Port B Data Register
DDRB – Port B Data Direction Register
PINB – Port B Input Pins
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
PINA7
R/W
N/A
R
R
R
7
7
–
0
7
–
0
7
–
0
PINA6
R/W
N/A
R
R
R
6
6
–
0
6
–
0
6
–
0
PINA5
R/W
N/A
R
R
R
5
–
0
5
–
0
5
–
0
5
PINA4
R/W
N/A
R
R
R
4
–
0
4
–
0
4
–
0
4
PORTB3
PINB3
PINA3
DDB3
R/W
R/W
R/W
R/W
N/A
N/A
3
0
3
0
3
3
ATtiny24A/44A/84A
PORTB2
PINB2
PINA2
DDB2
R/W
R/W
R/W
R/W
N/A
N/A
2
2
0
2
0
2
PORTB1
PINB1
PINA1
DDB1
R/W
R/W
R/W
R/W
N/A
N/A
1
1
0
1
0
1
PORTB0
PINB0
PINA0
DDB0
R/W
R/W
R/W
R/W
N/A
N/A
0
0
0
0
0
0
PORTB
DDRB
PINB
PINA
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