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ATTINY25 Datasheet(PDF) 5 Page - ATMEL Corporation

Part No. ATTINY25
Description  8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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 5 page
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5
2586AS–AVR–02/05
ATtiny25/45/85
3.
Register Summary
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
0x3F
SREG
I
T
H
S
V
N
Z
C
page 7
0x3E
SPH
SP8
page 10
0x3D
SPL
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
page 10
0x3C
Reserved
0x3B
GIMSK
INT0
PCIE
page 49
0x3A
GIFR
INTF0
PCIF
page 50
0x39
TIMSK
OCIE1A
OCIE1B
OCIE0A
OCIE0B
TOIE1
TOIE0
page 81
0x38
TIFR
OCF1A
OCF1B
OCF0A
OCF0B
TOV1
TOV0
page 81
0x37
SPMCSR
CTPB
RFLB
PGWRT
PGERS
SPMEN
page 146
0x36
Reserved
0x35
MCUCR
–PUD
SE
SM1
SM0
–ISC01
ISC00
page 32, page 60, page 49
0x34
MCUSR
WDRF
BORF
EXTRF
PORF
page 40,
0x33
TCCR0B
FOC0A
FOC0B
WGM02
CS02
CS01
CS00
page 79
0x32
TCNT0
Timer/Counter0
page 80
0x31
OSCCAL
Oscillator Calibration Register
page 27
0x30
TCCR1
CTC1
PWM1A
COM1A1
COM1A0
CS13
CS12
CS11
CS10
page 88, page 100
0x2F
TCNT1
Timer/Counter1
page 90, page 101
0x2E
OCR1A
Timer/Counter1 Output Compare Register A
page 90, page 102
0x2D
OCR1C
Timer/Counter1 Output Compare Register C
page 91, page 102
0x2C
GTCCR
TSM
PWM1B
COM1B1
COM1B0
FOC1B
FOC1A
PSR1
PSR0
page 84, page 89, page
0x2B
OCR1B
Timer/Counter1 Output Compare Register B
page 91
0x2A
TCCR0A
COM0A1
COM0A0
COM0B1
COM0B0
WGM01
WGM00
page 76
0x29
OCR0A
Timer/Counter0 – Output Compare Register A
page 80
0x28
OCR0B
Timer/Counter0 – Output Compare Register B
page 80
0x27
PLLCSR
SM
PCKE
PLLE
PLOCK
page 93, page 103
0x26
CLKPR
CLKPCE
CLKPS3
CLKPS2
CLKPS1
CLKPS0
page 30
0x25
DT1A
DT1AH3
DT1AH2
DT1AH1
DT1AH0
DT1AL3
DT1AL2
DT1AL1
DT1AL0
page 108
0x24
DT1B
DT1BH3
DT1BH2
DT1BH1
DT1BH0
DT1BL3
DT1BL2
DT1BL1
DT1BL0
page 109
0x23
DTPS1
-
-
-
-
-
-
DTPS11
DTPS10
page 108
0x22
DWDR
DWDR[7:0]
page 143
0x21
WDTCR
WDTIF
WDTIE
WDP3
WDCE
WDE
WDP2
WDP1
WDP0
page 42
0x20
PRR
PRTIM1
PRTIM0
PRUSI
PRADC
page 33
0x1F
EEARH
EEAR8
page 16
0x1E
EEARL
EEAR7
EEAR6
EEAR5
EEAR4
EEAR3
EEAR2
EEAR1
EEAR0
page 16
0x1D
EEDR
EEPROM Data Register
page 16
0x1C
EECR
EEPM1
EEPM0
EERIE
EEMWE
EEWE
EERE
page 17
0x1B
Reserved
0x1A
Reserved
0x19
Reserved
0x18
PORTB
PORTB5
PORTB4
PORTB3
PORTB2
PORTB1
PORTB0
page 64
0x17
DDRB
DDB5
DDB4
DDB3
DDB2
DDB1
DDB0
page 64
0x16
PINB
PINB5
PINB4
PINB3
PINB2
PINB1
PINB0
page 64
0x15
PCMSK
PCINT5
PCINT4
PCINT3
PCINT2
PCINT1
PCINT0
page 51
0x14
DIDR0
ADC0D
ADC2D
ADC3D
ADC1D
EIN1D
AIN0D
page 124, page 141
0x13
GPIOR2
General Purpose I/O Register 2
0x12
GPIOR1
General Purpose I/O Register 1
0x11
GPIOR0
General Purpose I/O Register 0
0x10
USIBR
USI Buffer Register
page 118
0x0F
USIDR
USI Data Register
page 117
0x0E
USISR
USICIF
USIOIF
USIPF
USIDC
USICNT3
USICNT2
USICNT1
USICNT0
page 118
0x0D
USICR
USISIE
USIOIE
USIWM1
USIWM0
USICS1
USICS0
USICLK
USITC
page 119
0x0C
Reserved
0x0B
Reserved
0x0A
Reserved
0x09
Reserved
0x08
ACSR
ACD
ACBG
ACO
ACI
ACIE
ACIS1
ACIS0
page 122
0x07
ADMUX
REFS1
REFS0
ADLAR
REFS2
MUX3
MUX2
MUX1
MUX0
page 137
0x06
ADCSRA
ADEN
ADSC
ADATE
ADIF
ADIE
ADPS2
ADPS1
ADPS0
page 138
0x05
ADCH
ADC Data Register High Byte
page 140
0x04
ADCL
ADC Data Register Low Byte
page 140
0x03
ADCSRB
BIN
ACME
IPR
ADTS2
ADTS1
ADTS0
page 122, page 140
0x02
Reserved
0x01
Reserved
0x00
Reserved




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