ATMEGA1284-PU Atmel, ATMEGA1284-PU Datasheet - Page 553
![IC MCU AVR 128K FLASH 40PDIP](/photos/6/70/67049/453-40-dip_sml.jpg)
ATMEGA1284-PU
Manufacturer Part Number
ATMEGA1284-PU
Description
IC MCU AVR 128K FLASH 40PDIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1284-PU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8272A–AVR–01/10
0x3E (0x5E)
0x3D (0x5D)
0x3C (0x5C)
0x3B (0x5B)
0x3A (0x5A)
0x2E (0x4E)
0x2D (0x4D)
0x2C (0x4C)
0x2B (0x4B)
0x2A (0x4A)
0x1E (0x3E)
0x1D (0x3D)
0x3F (0x5F)
0x39 (0x59)
0x38 (0x58)
0x37 (0x57)
0x36 (0x56)
0x35 (0x55)
0x34 (0x54)
0x33 (0x53)
0x32 (0x52)
0x31 (0x51)
0x30 (0x50)
0x2F (0x4F)
0x29 (0x49)
0x28 (0x48)
0x27 (0x47)
0x26 (0x46)
0x25 (0x45)
0x24 (0x44)
0x23 (0x43)
0x22 (0x42)
0x21 (0x41)
0x20 (0x40)
0x1F (0x3F)
Address
(0x7E)
(0x7D)
(0x7C)
(0x7B)
(0x7A)
(0x6E)
(0x6D)
(0x6C)
(0x6B)
(0x6A)
(0x79)
(0x78)
(0x77)
(0x76)
(0x75)
(0x74)
(0x73)
(0x72)
(0x71)
(0x70)
(0x6F)
(0x69)
(0x68)
(0x67)
(0x66)
(0x65)
(0x64)
(0x63)
(0x62)
(0x61)
(0x60)
DIDR0
Reserved
ADMUX
ADCSRB
ADCSRA
ADCH
ADCL
Reserved
Reserved
Reserved
Reserved
PCMSK3
Reserved
Reserved
TIMSK2
TIMSK1
TIMSK0
PCMSK2
PCMSK1
PCMSK0
Reserved
EICRA
PCICR
Reserved
OSCCAL
Reserved
PRR
Reserved
Reserved
CLKPR
WDTCSR
SREG
SPH
SPL
Reserved
Reserved
Reserved
Reserved
Reserved
SPMCSR
Reserved
MCUCR
MCUSR
SMCR
Reserved
OCDR
ACSR
Reserved
SPDR
SPSR
SPCR
GPIOR2
GPIOR1
Reserved
OCR0B
OCR0A
TCNT0
TCCR0B
TCCR0A
GTCCR
EEARH
EEARL
EEDR
EECR
GPIOR0
EIMSK
Name
PCINT31
PCINT23
PCINT15
CLKPCE
COM0A1
PCINT7
ADC7D
FOC0A
REFS1
PRTWI
SPMIE
ADEN
SPIF0
SPIE0
Bit 7
WDIF
SP15
ACD
TSM
SP7
JTD
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
164A/164PA/324A/324PA/644A/644PA/1284/1284P
PCINT30
PCINT22
PCINT14
COM0A0
RWWSB
PRTIM2
BODS
PCINT6
WCOL0
ADC6D
FOC0B
REFS0
ACME
ADSC
ACBG
Bit 6
WDIE
SPE0
SP14
SP6
T
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
(6)
BODSE
PCINT29
PCINT21
PCINT13
COM0B1
PRTIM0
ADC5D
PCINT5
DORD0
ADLAR
ADATE
EEPM1
SIGRD
WDP3
ISC21
Bit 5
ICIE1
SP13
ACO
SP5
H
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
(6)
PRUSART1
RWWSRE
PCINT28
PCINT20
PCINT12
COM0B0
PCINT4
ADC4D
MSTR0
EEPM0
WDCE
MUX4
ISC20
Timer/Counter0 Output Compare Register B
Timer/Counter0 Output Compare Register A
Bit 4
SP12
JTRF
ADIF
PUD
SP4
ACI
S
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
EEPROM Address Register Low Byte
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
On-Chip Debug Register
EEPROM Data Register
Timer/Counter0 (8 Bit)
SPI 0 Data Register
PCINT27
PCINT19
PCINT11
CLKPS3
BLBSET
PRTIM1
WGM02
PCINT3
ADC3D
CPOL0
PCIE3
WDRF
EERIE
MUX3
ISC11
Bit 3
SP11
ADIE
WDE
ACIE
SM2
SP3
V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
EEPROM Address Register High Byte
PCINT26
PCINT18
PCINT10
CLKPS2
PGWRT
OCIE2B
OCIE1B
OCIE0B
PCINT2
ADC2D
CPHA0
EEMPE
ADTS2
ADPS2
PRSPI
MUX2
ISC10
PCIE2
WDP2
BORF
Bit 2
SP10
ACIC
CS02
INT2
SM1
SP2
N
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PRUSART0
PCINT25
PCINT17
PSRASY
CLKPS1
OCIE2A
OCIE1A
OCIE0A
PCINT9
PCINT1
WGM01
ADC1D
PGERS
ADTS1
ADPS1
EXTRF
SPR01
MUX1
ISC01
PCIE1
WDP1
IVSEL
ACIS1
Bit 1
EEPE
CS01
INT1
SM0
SP9
SP1
Z
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PSRSYNC
PCINT24
PCINT16
CLKPS0
PCINT8
PCINT0
PRADC
SPMEN
WGM00
ADC0D
SPI2X0
ADTS0
ADPS0
SPR00
MUX0
TOIE2
TOIE1
TOIE0
ISC00
PCIE0
WDP0
PORF
ACIS0
EERE
Bit 0
CS00
IVCE
INT0
SP8
SP0
SE
C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Page
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239
258
259
259
159
138
110
293
266
258
171
170
169
110
109
109
108
110
161
71
71
71
72
68
70
41
49
41
60
11
12
12
48
29
29
24
24
24
24
29
69
553
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