ATTINY44-20SSU Atmel, ATTINY44-20SSU Datasheet - Page 64

• Manufacturer Part Number: ATTINY44-20SSU
• Description: IC MCU AVR 4K FLASH 20MHZ 14SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY44-20SSU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 12
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Cpu Family: ATtiny
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: SPI/USI
• Total Internal Ram Size: 256Byte
• # I/os (max): 12
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 14
• Package Type: SOIC
• For Use With: ATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

64
ATtiny24/44/84
Table 10-5.
Table 10-6.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
PA4/ADC4/USCK/SCL/T1/
PCINT4
0
0
USIWM1
USI_SCL_HOLD +
PORTA4) • DDA4
USIWM1 • DDA4
0
USI_PTOE
USISIE +
(PCINT4 • PCIE0) + ADC4D
USISIE +
(PCINT4 • PCIE0)
USCK/SCL/T1/PCINT4 input
ADC4 Input
Overriding Signals for Alternate Functions in PA4:PA2
Overriding Signals for Alternate Functions in PA1:PA0
PA1/ADC1/AIN0/PCINT1
0
0
0
0
0
0
0
PCINT1 • PCIE0 + ADC1D
PCINT1 • PCIE0
PCINT1 Input
ADC1/Analog Comparator Positive Input
PA3/ADC3/T0/PCINT3
0
0
0
0
0
0
0
PCINT3 • PCIE0
PCINT1 Input
ADC3 Input
(PCINT3 • PCIE0) + ADC3D
PA0/ADC0/AREF/PCINT0
RESET •
(REFS1 • REFS0 + REFS1 • REFS0)
0
RESET •
(REFS1 • REFS0 + REFS1 • REFS0)
0
RESET •
(REFS1 • REFS0 + REFS1 • REFS0)
0
0
PCINT0 • PCIE0 + ADC0D
PCINT0 • PCIE0
PCINT0 Input
ADC1 Input
Analog reference
PA2/ADC2/AIN1/PCINT2
0
0
0
0
0
0
0
PCINT3 • PCIE0
PCINT0 Input
ADC2/Analog Comparator
Negative Input
PCINT2 • PCIE + ADC2D
8006K–AVR–10/10