ATTINY85-20SU Atmel, ATTINY85-20SU Datasheet - Page 205

• Manufacturer Part Number: ATTINY85-20SU
• Description: IC AVR MCU 8K 20MHZ 8SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY85-20SU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 6
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• Processor Series: ATTINY8x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 6
• 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: 4-ch x 10-bit
• 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 SPIATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

23. Register Summary
2586M–AVR–07/10
Address
0x3F
0x3E
0x3D
0x3C
0x3B
0x3A
0x2F
0x2E
0x2D
0x2C
0x2B
0x2A
0x1F
0x1E
0x1D
0x1C
0x1B
0x1A
0x0F
0x0E
0x0D
0x0C
0x0B
0x0A
0x39
0x38
0x37
0x36
0x35
0x34
0x33
0x32
0x31
0x30
0x29
0x28
0x27
0x26
0x25
0x24
0x23
0x22
0x21
0x20
0x19
0x18
0x17
0x16
0x15
0x14
0x13
0x12
0x11
0x10
0x09
0x08
0x07
0x06
0x05
0x04
0x03
0x02
0x01
0x00
SREG
SPH
SPL
Reserved
GIMSK
GIFR
TIMSK
TIFR
SPMCSR
Reserved
MCUCR
MCUSR
TCCR0B
TCNT0
OSCCAL
TCCR1
TCNT1
OCR1A
OCR1C
GTCCR
OCR1B
TCCR0A
OCR0A
OCR0B
PLLCSR
CLKPR
DT1A
DT1B
DTPS1
DWDR
WDTCR
PRR
EEARH
EEARL
EEDR
EECR
Reserved
Reserved
Reserved
PORTB
DDRB
PINB
PCMSK
DIDR0
GPIOR2
GPIOR1
GPIOR0
USIBR
USIDR
USISR
USICR
Reserved
Reserved
Reserved
Reserved
ACSR
ADMUX
ADCSRA
ADCH
ADCL
ADCSRB
Reserved
Reserved
Reserved
Name
COM0A1
CLKPCE
DT1AH3
DT1BH3
FOC0A
EEAR7
USISIF
USISIE
REFS1
Bit 7
BODS
ADEN
CTC1
WDIF
TSM
LSM
ACD
SP7
BIN
–
–
–
–
–
–
–
–
–
–
–
–
–
–
I
-
COM0A0
DT1AH2
DT1BH2
OCIE1A
PWM1A
PWM1B
OCF1A
FOC0B
EEAR6
USIOIF
USIOIE
REFS0
Bit 6
ACBG
ACME
INTF0
ADSC
WDIE
INT0
PUD
SP6
T
–
–
–
–
–
–
–
–
–
–
–
-
COM1A1
COM1B1
COM0B1
PORTB5
USIWM1
DT1AH1
DT1BH1
OCIE1B
PCINT5
OCF1B
EEPM1
ADC0D
ADLAR
ADATE
EEAR5
USIPF
Bit 5
WDP3
PINB5
DDB5
RSIG
PCIE
PCIF
ACO
SP5
IPR
SE
H
–
–
–
–
–
-
Timer/Counter0 – Output Compare Register A
Timer/Counter0 – Output Compare Register B
Timer/Counter1 Output Compare Register C
Timer/Counter1 Output Compare Register A
Timer/Counter1 Output Compare Register B
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
COM1A0
COM1B0
COM0B0
DT1AH0
DT1BH0
PORTB4
USIWM0
OCIE0A
EEPROM Data Register
PCINT4
OCF0A
EEAR4
EEPM0
ADC2D
WDCE
USIDC
REFS2
Bit 4
PINB4
CTPB
DDB4
ADIF
SM1
SP4
ACI
USI Buffer Register
S
USI Data Register
–
–
–
–
–
–
–
–
-
Timer/Counter1
Timer/Counter0
DWDR[7:0]
–
–
–
–
–
–
–
–
–
–
–
–
USICNT3
PORTB3
CLKPS3
OCIE0B
WGM02
DT1AL3
DT1BL3
PRTIM1
PCINT3
USICS1
FOC1B
ADC3D
OCF0B
EEAR3
WDRF
EERIE
Bit 3
PINB3
MUX3
RFLB
DDB3
CS13
WDE
ACIE
ADIE
SM0
SP3
V
–
–
–
–
–
–
-
USICNT2
PORTB2
PGWRT
CLKPS2
DT1AL2
DT1BL2
PRTIM0
BODSE
EEMPE
PCINT2
USICS0
FOC1A
EEAR2
ADC1D
ADPS2
ADTS2
Bit 2
TOIE1
WDP2
PINB2
BORF
PCKE
DDB2
MUX2
TOV1
CS02
CS12
SP2
N
–
–
–
–
-
USICNT1
PORTB1
CLKPS1
DTPS11
WGM01
DT1AL1
DT1BL1
PCINT1
USICLK
PGERS
EXTRF
EEAR1
ADPS1
ADTS1
PRUSI
Bit 1
TOIE0
ISC01
WDP1
PINB1
AIN1D
ACIS1
MUX1
TOV0
PSR1
EEPE
DDB1
CS01
CS11
PLLE
SP9
SP1
Z
–
–
USICNT0
PORTB0
CLKPS0
DT1AL0
DT1BL0
DTPS10
SPMEN
WGM00
PRADC
PCINT0
PLOCK
EEAR8
EEAR0
ADPS0
ADTS0
Bit 0
WDP0
PINB0
AIN0D
USITC
ACIS0
ISC00
PORF
EERE
MUX0
CS00
CS10
PSR0
DDB0
SP8
SP0
C
–
–
–
–
pages 80, 93,
pages 38, 52,
pages 125,
pages 124,
pages 84,
pages 92,
pages 94,
pages 95,
pages 95,
pages 97,
page 149
page 110
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page 109
page 144
page 118
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page 124
page 138
page 140
page 141
page 141
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page 84
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page 47
page 37
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page 66
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page 66
page 54
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