ATTINY44-20SSUR Atmel, ATTINY44-20SSUR Datasheet - Page 213
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ATTINY44-20SSUR
Manufacturer Part Number
ATTINY44-20SSUR
Description
MCU AVR 4KB FLASH 20MHZ 14SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY24-20MU.pdf
(238 pages)
Specifications of ATTINY44-20SSUR
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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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22. Register Summary
8006K–AVR–10/10
0x3D (0x5D)
0x3C (0x5C)
0x2D (0x4D)
0x2C (0x4C)
0x1D (0x3D)
0x1C (0x3C)
0x11 (0x31))
0x0D (0x2D)
0x0C (0x2C)
0x3F (0x5F)
0x3E (0x5E)
0x3B (0x5B)
0x2F (0x4F)
0x2E (0x4E)
0x2B (0x4B)
0x2A (0x4A)
0x1F (0x3F)
0x1E (0x3E)
0x1B (0x3B)
0x1A (0x3A)
0x0F (0x2F)
0x0E (0x2E)
0x0B (0x2B)
0x0A (0x2A)
Address
0x39 (0x59)
0x38 (0x58)
0x37 (0x57)
0x36 (0x56)
0x35 (0x55)
0x34 (0x54)
0x33 (0x53)
0x32 (0x52)
0x31 (0x51)
0x30 (0x50)
0x29 (0x49)
0x28 (0x48)
0x27 (0x47)
0x26 (0x46)
0x25 (0x45)
0x24 (0x44)
0x23 (0x43)
0x22 (0x42)
0x21 (0x41)
0x20 (0x40)
0x19 (0x39)
0x18 (0x38)
0x17 (0x37)
0x16 (0x36)
0x15 (0x35)
0x14 (0x34)
0x13 (0x33)
0x12 (0x32)
0x10 (0x30)
0x09 (0x29)
0x08 (0x28)
0x07 (0x27)
0x06 (0x26)
0x05 (0x25)
0x04 (0x24)
0x03 (0x23)
0x02 (0x22)
0x01 (0x21)
0x00 (0x20)
0x3A (0x5A
WDTCSR
SPMCSR
OCR1AH
OCR1BH
PCMSK0
Reserved
Reserved
Reserved
ADCSRA
ADCSRB
Reserved
TCCR0B
OSCCAL
TCCR0A
TCCR1A
TCCR1B
TCNT1H
OCR1AL
OCR1BL
TCCR1C
PCMSK1
TCNT1L
GPIOR2
GPIOR1
GPIOR0
Name
TIMSK0
MCUCR
MCUSR
GTCCR
TIMSK1
ADMUX
OCR0B
OCR0A
EEARH
PORTA
PORTB
GIMSK
TCNT0
CLKPR
EEARL
DWDR
ICR1H
USIBR
USIDR
USISR
USICR
DIDR0
SREG
TIFR0
ICR1L
EEDR
EECR
DDRA
DDRB
TIFR1
ACSR
ADCH
ADCL
GIFR
PINA
PINB
SPH
PRR
SPL
COM0A1
COM1A1
CLKPCE
PORTA7
PCINT7
ADC7D
FOC0A
FOC1A
EEAR7
USISIF
USISIE
REFS1
ICNC1
Bit 7
BODS
PINA7
DDA7
ADEN
CAL7
WDIF
TSM
ACD
SP7
BIN
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
I
COM0A0
COM1A0
PORTA6
PCINT6
FOC0B
FOC1B
EEAR6
USIOIF
USIOIE
ADC6D
REFS0
Bit 6
ICES1
PINA6
ACBG
ACME
INTF0
DDA6
ADSC
CAL6
WDIE
INT0
PUD
SP6
T
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
COM0B1
COM1B1
PORTA5
USIWM1
PCINT5
EEPM1
ADATE
ADC5D
EEAR5
USIPF
Bit 5
PCIE1
PCIF1
WDP3
PINA5
MUX5
DDA5
RSIG
CAL5
ICIE1
ICF1
ACO
SP5
SE
Timer/Counter1 - Input Capture Register High Byte
H
–
–
–
–
–
–
–
Timer/Counter1 - Input Capture Register Low Byte
–
–
–
–
–
–
–
–
–
Timer/Counter1 – Compare Register A High Byte
Timer/Counter1 – Compare Register B High Byte
Timer/Counter1 – Compare Register A Low Byte
Timer/Counter1 – Compare Register B Low Byte
Timer/Counter0 – Output Compare Register B
Timer/Counter0 – Output Compare Register A
Timer/Counter1 – Counter Register High Byte
Timer/Counter1 – Counter Register Low Byte
General Purpose I/O Register 2
General Purpose I/O Register 1
General Purpose I/O Register 0
ADC Data Register High Byte
ADC Data Register Low Byte
COM0B0
COM1B0
PORTA4
USIWM0
WGM13
EEPROM Data Register
PCINT4
EEAR4
EEPM0
ADLAR
ADC4D
USIDC
Bit 4
PCIE0
WDCE
PINA4
PCIF0
CTPB
DDA4
MUX4
CAL4
ADIF
SM1
SP4
ACI
USI Buffer Register
USI Data Register
S
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Timer/Counter0
DWDR[7:0]
–
–
–
–
USICNT3
PCINT11
PORTA3
PORTB3
CLKPS3
WGM02
WGM12
PCINT3
USICS1
PRTIM1
ADC3D
EEAR3
WDRF
EERIE
Bit 3
PINA3
PINB3
MUX3
RFLB
DDA3
DDB3
CAL3
WDE
ACIE
ADIE
SM0
SP3
V
–
–
–
–
–
–
–
–
–
–
–
–
–
USICNT2
PCINT10
PORTA2
PORTB2
OCIE0B
PGWRT
CLKPS2
OCIE1B
PRTIM0
BODSE
EEMPE
PCINT2
USICS0
OCF0B
OCF1B
ADPS2
ADC2D
EEAR2
ADTS2
Bit 2
WDP2
PINA2
PINB2
BORF
DDA2
DDB2
MUX2
CS02
CAL2
CS12
ACIC
SP2
N
–
–
–
–
–
–
USICNT1
PORTA1
PORTB1
CLKPS1
OCIE0A
WGM01
WGM11
PCINT9
USICLK
OCIE1A
PGERS
PCINT1
ADC1D
OCF0A
EXTRF
EEAR1
OCF1A
ADPS1
ADTS1
PRUSI
Bit 1
ISC01
WDP1
PINA1
PINB1
ACIS1
MUX1
EEPE
DDA1
DDB1
CS01
CAL1
CS11
SP9
SP1
Z
–
–
–
–
–
ATtiny24/44/84
USICNT0
PORTA0
PORTB0
CLKPS0
SPMEN
WGM00
WGM10
PCINT8
PCINT0
PRADC
ADC0D
PSR10
EEAR8
EEAR0
ADPS0
ADTS0
TOIE0
PINA0
USITC
TOIE1
ACIS0
Bit 0
ISC00
PORF
WDP0
EERE
PINB0
MUX0
TOV0
CS00
CAL0
CS10
DDA0
DDB0
TOV1
SP8
SP0
C
–
–
–
Pages 36, 51, and
Page 131, Page 149
Page 131, Page 150
Page 157
Page 108
Page 110
Page 112
Page 112
Page 112
Page 112
Page 112
Page 112
Page 152
Page 113
Page 113
Page 116
Page 111
Page 125
Page 124
Page 125
Page 126
Page 113
Page 114
Page 130
Page 145
Page 147
Page 149
Page 149
Page 11
Page 11
Page 85
Page 51
Page 52
Page 85
Page 85
Page 84
Page 45
Page 83
Page 84
Page 30
Page 80
Page 31
Page 45
Page 52
Page 20
Page 21
Page 21
Page 21
Page 67
Page 67
Page 68
Page 68
Page 68
Page 68
Page 23
Page 23
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Page 53
Page 37
Page 8
Page
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