ATTINY48_09 Datasheet, PDF (10/23 Pages) ATMEL Corporation – 8-bit Microcontroller with 4/8K Bytes In-System Programmable Flash

ATtiny48/88
Address
(0x7C)
(0x7B)
(0x7A)
(0x79)
(0x78)
(0x77)
(0x76)
(0x75)
(0x74)
(0x73)
(0x72)
(0x71)
(0x70)
(0x6F)
(0x6E)
(0x6D)
(0x6C)
(0x6B)
(0x6A)
(0x69)
(0x68)
(0x67)
(0x66)
(0x65)
(0x64)
(0x63)
(0x62)
(0x61)
(0x60)
0x3F (0x5F)
0x3E (0x5E)
0x3D (0x5D)
0x3C (0x5C)
0x3B (0x5B)
0x3A (0x5A)
0x39 (0x59)
0x38 (0x58)
0x37 (0x57)
0x36 (0x56)
0x35 (0x55)
0x34 (0x54)
0x33 (0x53)
0x32 (0x52)
0x31 (0x51)
0x30 (0x50)
0x2F (0x4F)
0x2E (0x4E)
0x2D (0x4D)
0x2C (0x4C)
0x2B (0x4B)
0x2A (0x4A)
0x29 (0x49)
0x28 (0x48)
0x27 (0x47)
0x26 (0x46)
0x25 (0x45)
0x24 (0x44)
0x23 (0x43)
0x22 (0x42)
0x21 (0x41)
0x20 (0x40)
0x1F (0x3F)
0x1E (0x3E)
0x1D (0x3D)
0x1C (0x3C)
0x1B (0x3B)
Name
ADMUX
ADCSRB
ADCSRA
ADCH
ADCL
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
TIMSK1
TIMSK0
PCMSK2
PCMSK1
PCMSK0
PCMSK3
EICRA
PCICR
Reserved
OSCCAL
Reserved
PRR
Reserved
Reserved
CLKPR
WDTCSR
SREG
Reserved
SPL
Reserved
Reserved
Reserved
Reserved
Reserved
SPMCSR
Reserved
MCUCR
MCUSR
SMCR
Reserved
DWDR
ACSR
Reserved
SPDR
SPSR
SPCR
GPIOR2
GPIOR1
Reserved
OCR0B
OCR0A
TCNT0
TCCR0A
Reserved
GTCCR
Reserved
EEARL
EEDR
EECR
GPIOR0
EIMSK
EIFR
PCIFR
Bit 7
–
–
ADEN
–
–
–
–
–
–
–
–
–
–
PCINT23
PCINT15
PCINT7
–
–
–
–
–
PRTWI
–
–
CLKPCE
WDIF
I
–
SP7
–
–
–
–
–
–
–
–
–
–
–
ACD
–
SPIF
SPIE
–
–
–
TSM
–
–
–
–
–
Bit 6
REFS0
ACME
ADSC
–
–
–
–
–
–
–
–
–
–
PCINT22
PCINT14
PCINT6
–
–
–
–
–
–
–
–
–
WDIE
T
–
SP6
–
–
–
–
–
RWWSB
BPDS
–
–
–
ACBG
–
WCOL
SPE
–
–
–
–
–
–
–
–
–
Bit 5
Bit 4
Bit 3
Bit 2
ADLAR
–
MUX3
MUX2
–
–
–
ADTS2
ADATE
ADIF
ADIE
ADPS2
ADC Data Register High byte
ADC Data Register Low byte
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ICIE1
–
–
OCIE1B
–
–
–
OCIE0B
PCINT21
PCINT20
PCINT19
PCINT18
PCINT13
PCINT12
PCINT11
PCINT10
PCINT5
-
PCINT4
-
PCINT3
PCINT27
PCINT2
PCINT26
–
–
ISC11
ISC10
–
–
PCIE3
PCIE2
–
–
–
–
Oscillator Calibration Register
–
–
–
–
PRTIM0
–
PRTIM1
PRSPI
–
–
–
–
–
–
–
–
–
–
CLKPS3
CLKPS2
WDP3
WDCE
WDE
WDP2
H
S
V
N
–
–
–
–
SP5
SP4
SP3
SP2
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
CTPB
RFLB
PGWRT
–
–
BPDSE
PUD
–
–
–
–
WDRF
BORF
–
–
–
SM1
–
–
–
–
debugWire Data Register
ACO
ACI
ACIE
ACIC
–
–
–
–
SPI Data Register
–
–
–
–
DORD
MSTR
CPOL
CPHA
General Purpose I/O Register 2
General Purpose I/O Register 1
–
–
–
–
Timer/Counter0 Output Compare Register B
Timer/Counter0 Output Compare Register A
Timer/Counter0 (8-bit)
–
–
CTC0
CS02
–
–
–
–
–
–
–
–
–
–
–
–
EEPROM Address Register Low Byte
EEPROM Data Register
EEPM1
EEPM0
EERIE
EEMPE
General Purpose I/O Register 0
–
–
–
–
–
–
–
–
–
–
PCIF3
PCIF2
Bit 1
MUX1
ADTS1
ADPS1
Bit 0
MUX0
ADTS0
ADPS0
–
–
–
–
–
–
–
–
OCIE1A
OCIE0A
PCINT17
PCINT9
PCINT1
PCINT25
ISC01
PCIE1
–
–
–
–
–
CLKPS1
WDP1
Z
–
SP1
–
–
–
–
–
PGERS
–
–
EXTRF
SM0
–
ACIS1
–
–
SPR1
–
–
–
–
–
–
–
–
TOIE1
TOIE0
PCINT16
PCINT8
PCINT0
PCINT24
ISC00
PCIE0
–
–
PRADC
–
–
CLKPS0
WDP0
C
–
SP0
–
–
–
–
–
SELFPRGEN
–
–
PORF
SE
–
ACIS0
–
SPI2X
SPR0
–
–
CS01
–
–
–
EEPE
INT1
INTF1
PCIF1
CS00
–
PSRSYNC
–
EERE
INT0
INTF0
PCIF0
Page
170
173
171
173
173
109
82
54
54
54
54
50
52
31
37
31
44
9
12
182
44
36
176
156
123
122
121
24
24
82
81
81
80
113
22
22
22
24
51
51
52
10
8008CS–AVR–03/09