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ATMEGA324-20AU Datasheet(PDF) 10 Page - ATMEL Corporation

Part # ATMEGA324-20AU
Description  8-bit Microcontroller with 16/32/64K Bytes In-System Programmable Flash
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA324-20AU Datasheet(HTML) 10 Page - ATMEL Corporation

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10
ATmega164/324/644
2593AS–AVR–06/05
(0x7D)
Reserved
-
-
-
-
-
-
-
-
(0x7C)
ADMUX
REFS1
REFS0
ADLAR
MUX4
MUX3
MUX2
MUX1
MUX0
240
(0x7B)
ADCSRB
-ACME
-
-
-
ADTS2
ADTS1
ADTS0
224
(0x7A)
ADCSRA
ADEN
ADSC
ADATE
ADIF
ADIE
ADPS2
ADPS1
ADPS0
242
(0x79)
ADCH
ADC Data Register High byte
243
(0x78)
ADCL
ADC Data Register Low byte
243
(0x77)
Reserved
-
-
-
-
-
-
-
-
(0x76)
Reserved
-
-
-
-
-
-
-
-
(0x75)
Reserved
-
-
-
-
-
-
-
-
(0x74)
Reserved
-
-
-
-
-
-
-
-
(0x73)
PCMSK3
PCINT31
PCINT30
PCINT29
PCINT28
PCINT27
PCINT26
PCINT25
PCINT24
62
(0x72)
Reserved
-
-
-
-
-
-
-
-
(0x71)
Reserved
-
-
-
-
-
-
-
-
(0x70)
TIMSK2
-
-
-
-
-
OCIE2B
OCIE2A
TOIE2
147
(0x6F)
TIMSK1
-
-ICIE1
-
-
OCIE1B
OCIE1A
TOIE1
127
(0x6E)
TIMSK0
-
-
-
-
-
OCIE0B
OCIE0A
TOIE0
99
(0x6D)
PCMSK2
PCINT23
PCINT22
PCINT21
PCINT20
PCINT19
PCINT18
PCINT17
PCINT16
62
(0x6C)
PCMSK1
PCINT15
PCINT14
PCINT13
PCINT12
PCINT11
PCINT10
PCINT9
PCINT8
62
(0x6B)
PCMSK0
PCINT7
PCINT6
PCINT5
PCINT4
PCINT3
PCINT2
PCINT1
PCINT0
63
(0x6A)
Reserved
-
-
-
-
-
-
-
-
(0x69)
EICRA
-
-
ISC21
ISC20
ISC11
ISC10
ISC01
ISC00
59
(0x68)
PCICR
-
-
-
-
PCIE3
PCIE2
PCIE1
PCIE0
61
(0x67)
Reserved
-
-
-
-
-
-
-
-
(0x66)
OSCCAL
Oscillator Calibration Register
32
(0x65)
Reserved
-
-
-
-
-
-
-
-
(0x64)
PRR0
PRTWI
PRTIM2
PRTIM0
PRUSART1
PRTIM1
PRSPI
PRUSART0
PRADC
40
(0x63)
Reserved
-
-
-
-
-
-
-
-
(0x62)
Reserved
-
-
-
-
-
-
-
-
(0x61)
CLKPR
CLKPCE
-
-
-
CLKPS3
CLKPS2
CLKPS1
CLKPS0
35
(0x60)
WDTCSR
WDIF
WDIE
WDP3
WDCE
WDE
WDP2
WDP1
WDP0
52
0x3F (0x5F)
SREG
I
T
H
S
V
N
Z
C
9
0x3E (0x5E)
SPH
SP15
SP14
SP13
SP12
SP11
SP10
SP9
SP8
10
0x3D (0x5D)
SPL
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
10
0x3C (0x5C)
Reserved
-
-
-
-
-
-
-
-
0x3B (0x5B)
RAMPZ
-
-
-
-
-
-
-
RAMPZ0
13
0x3A (0x5A)
Reserved
-
-
-
-
-
-
-
-
0x39 (0x59)
Reserved
-
-
-
-
-
-
-
-
0x38 (0x58)
Reserved
-
-
-
-
-
-
-
-
0x37 (0x57)
SPMCSR
SPMIE
RWWSB
SIGRD
RWWSRE
BLBSET
PGWRT
PGERS
SPMEN
265
0x36 (0x56)
Reserved
-
-
-
-
-
-
-
-
0x35 (0x55)
MCUCR
JTD
-
-PUD
-
-
IVSEL
IVCE
71/255
0x34 (0x54)
MCUSR
-
-
-
JTRF
WDRF
BORF
EXTRF
PORF
47/255
0x33 (0x53)
SMCR
-
-
-
-
SM2
SM1
SM0
SE
37
0x32 (0x52)
Reserved
-
-
-
-
-
-
-
-
0x31 (0x51)
OCDR
On-Chip Debug Register
251
0x30 (0x50)
ACSR
ACD
ACBG
ACO
ACI
ACIE
ACIC
ACIS1
ACIS0
242
0x2F (0x4F)
Reserved
-
-
-
-
-
-
-
-
0x2E (0x4E)
SPDR0
SPI 0 Data Register
157
0x2D (0x4D)
SPSR0
SPIF0
WCOL0
-
-
-
-
-SPI2X0
157
0x2C (0x4C)
SPCR0
SPIE0
SPE0
DORD0
MSTR0
CPOL0
CPHA0
SPR01
SPR00
157
0x2B (0x4B)
GPIOR2
General Purpose I/O Register 2
25
0x2A (0x4A)
GPIOR1
General Purpose I/O Register 1
25
0x29 (0x49)
Reserved
-
-
-
-
-
-
-
-
0x28 (0x48)
OCR0B
Timer/Counter0 Output Compare Register B
99
0x27 (0x47)
OCR0A
Timer/Counter0 Output Compare Register A
99
0x26 (0x46)
TCNT0
Timer/Counter0 (8 Bit)
99
0x25 (0x45)
TCCR0B
FOC0A
FOC0B
-
-
WGM02
CS02
CS01
CS00
98
0x24 (0x44)
TCCR0A
COM0A1
COM0A0
COM0B1
COM0B0
-
-WGM01
WGM00
99
0x23 (0x43)
GTCCR
TSM
-
-
-
-
-
PSR2
PSR54310
149
0x22 (0x42)
EEARH
-
-
-
-
EEPROM Address Register High Byte
20
0x21 (0x41)
EEARL
EEPROM Address Register Low Byte
20
0x20 (0x40)
EEDR
EEPROM Data Register
20
0x1F (0x3F)
EECR
-
-
EEPM1
EEPM0
EERIE
EEMWE
EEWE
EERE
20
0x1E (0x3E)
GPIOR0
General Purpose I/O Register 0
25
0x1D (0x3D)
EIMSK
-
-
-
-
-
INT2
INT1
INT0
60
0x1C (0x3C)
EIFR
-
-
-
-
-
INTF2
INTF1
INTF0
60
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page


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