ATTINY461-20SU Atmel, ATTINY461-20SU Datasheet - Page 223

• Manufacturer Part Number: ATTINY461-20SU
• Description: IC MCU AVR 4K FLASH 20MHZ 20SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY461-20SU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• 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 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: 2-Wire, SPI, USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 2
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 16 Channel
• Package: 20SOIC
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 20 MHz
• For Use With: ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

21. Register Summary
2588E–AVR–08/10
0x3D (0x5D)
0x3C (0x5C)
0x2D (0x4D)
0x2C (0x4C)
0x1D (0x3D)
0x1C (0x3C)
0x0D (0x2D)
0x0C (0x2C)
0x3F (0x5F)
0x3E (0x5E)
0x3B (0x5B)
0x3A (0x5A)
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)
0x11 (0x31)
0x10 (0x30)
0x09 (0x29)
0x08 (0x28)
0x07 (0x27)
0x06 (0x26)
0x05 (0x25)
0x04 (0x24)
0x03 (0x23)
0x02 (0x22)
0x01 (0x21)
0x00 (0x20)
Reserved
SPMCSR
ADCSRA
ADCSRB
TCCR0B
OSCCAL
TCCR1A
TCCR1B
TCCR1C
TCCR1D
PCMSK0
PCMSK1
TCCR0A
TCNT0H
TCCR1E
TCNT0L
PLLCSR
GPIOR2
GPIOR1
GPIOR0
Name
MCUCR
MCUSR
WDTCR
ADMUX
OCR1A
OCR1B
OCR1C
OCR1D
EEARH
PORTA
PORTB
OCR0A
OCR0B
ACSRB
ACSRA
GIMSK
TCNT1
CLKPR
EEARL
TIMSK
DWDR
USIPP
USIBR
USIDR
USISR
USICR
DIDR1
DIDR0
SREG
EEDR
EECR
DDRA
DDRB
ADCH
TC1H
ADCL
GIFR
TIFR
PINA
PINB
SPH
PRR
SPL
DT1
COM1A1S
COM1A1
CLKPCE
PCINT15
PORTA7
PORTB7
ADC10D
OCIE1D
PWM1X
PCINT7
OCF1D
ADC6D
EEAR7
USISIF
USISIE
REFS1
DT1H3
Bit 7
INTF1
FPIE1
PINA7
PINB7
TCW0
DDA7
DDB7
HSEL
ADEN
WDIF
INT1
LSM
ACD
SP7
BIN
–
–
–
–
–
–
–
I
COM1A0S
COM1A0
PCINT14
PORTA6
PORTB6
OCIE1A
PCINT6
OCF1A
FPEN1
EEAR6
USIOIF
USIOIE
REFS0
ADC9D
ADC5D
DT1H2
Bit 6
PINA6
PINB6
ICEN0
ACBG
INTF0
DDA6
DDB6
ADSC
GSEL
PSR1
WDIE
HLEV
INT0
PUD
SP6
T
–
–
–
–
–
-
COM1B1S
COM1B1
PCINT13
PORTA5
PORTB5
USIWM1
OC1OE5
DTPS11
OCIE1B
PCINT5
OCF1B
EEPM1
ADLAR
ADATE
ADC8D
ADC4D
FPNC1
DT1H1
EEAR5
ICNC0
Bit 5
PCIE1
WDP3
PINA5
PINB5
USIPF
DDA5
DDB5
PCIF
ACO
SP5
SE
H
–
–
–
–
Timer/Counter1 Output Compare Register C
Timer/Counter1 Output Compare Register D
Timer/Counter1 Output Compare Register A
Timer/Counter1 Output Compare Register B
Timer/Counter0 Counter Register High Byte
Timer/Counter0 Output Compare Register A
Timer/Counter0 Output Compare Register B
Timer/Counter0 Counter Register Low Byte
Timer/Counter1 Counter Register
General Purpose I/O Register 2
General Purpose I/O Register 1
General Purpose I/O Register 0
Oscillator Calibration Register
ADC Data Register High Byte
ADC Data Register Low Byte
COM1B0S
COM1B0
PCINT12
OC1OE4
PORTA4
PORTB4
USIWM0
OCIE0A
DTPS10
PCINT4
EEPROM Data Register
OCF0A
EEAR4
EEPM0
ADC7D
ADC3D
FPES1
DT1H0
WDCE
USIDC
REFS2
Bit 4
PCIE0
PINA4
PINB4
ICES0
CTPB
DDA4
DDB4
MUX4
ADIF
SM1
TSM
SP4
ACI
USI Buffer Register
S
USI Data Register
–
–
–
DWDR[7:0]
–
COM1D1
USICNT3
PCINT11
PORTA3
PORTB3
OC1OE3
CLKPS3
OCIE0B
PRTIM1
PCINT3
USICS1
FOC1A
AREFD
OCF0B
FPAC1
EEAR3
WDRF
DT1L3
EERIE
ACIC0
Bit 3
PINA3
PINB3
MUX3
MUX5
RFLB
PSR0
DDA3
DDB3
CS13
WDE
ACIE
ADIE
SM0
SP3
V
–
–
–
USICNT2
COM1D0
PCINT10
OC1OE2
PORTA2
PORTB2
PGWRT
PRTIM0
CLKPS2
PCINT2
EEMPE
USICS0
FOC1B
EEAR2
ADPS2
ADC2D
ADTS2
Bit 2
TOIE1
DT1L2
WDP2
PINA2
PINB2
ACME
BORF
PCKE
DDA2
DDB2
ACM2
MUX2
TOV1
CS02
CS12
FPF1
SP10
SP2
N
–
–
–
USICNT1
PORTA1
PORTB1
OC1OE1
CLKPS1
PWM1A
WGM11
PCINT1
PCINT9
USICLK
PGERS
FOC1D
ADC1D
EXTRF
EEAR1
ADPS1
ADTS1
PRUSI
DT1L1
Bit 1
TOIE0
ISC01
WDP1
PINA1
PINB1
ACM1
ACIS1
MUX1
TOV0
EEPE
DDA1
DDB1
CS01
CS11
PLLE
TC19
SP9
SP1
Z
–
–
USICNT0
PORTA0
PORTB0
OC1OE0
PWM1B
CLKPS0
PWM1D
USIPOS
SPMEN
PRADC
WGM10
PCINT0
PCINT8
PLOCK
ADC0D
TICIE0
EEAR8
EEAR0
ADPS0
ADTS0
Bit 0
DT1L0
WDP0
PINA0
PINB0
USITC
ACIS0
ISC00
PORF
EERE
ACM0
MUX0
CS00
CS10
DDA0
DDB0
CTC0
TC18
ICF0
SP8
SP0
C
–
–
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