ATMEGA1284 Ver la hoja de datos (PDF) - Atmel Corporation
Número de pieza
componentes Descripción
Fabricante
ATMEGA1284
Atmel Corporation
ATMEGA1284 Datasheet PDF : 32 Pages
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164A/164PA/324A/324PA/644A/644PA/1284/1284P
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
0x1C (0x3C)
0x1B (0x3B)
0x1A (0x3A)
0x19 (0x39)
0x18 (0x38)
0x17 (0x37)
0x16 (0x36)
0x15 (0x35)
0x14 (0x34)
0x13 (0x33)
0x12 (0x32)
0x11 (0x31)
0x10 (0x30)
0x0F (0x2F)
0x0E (0x2E)
0x0D (0x2D)
0x0C (0x2C)
0x0B (0x2B)
0x0A (0x2A)
0x09 (0x29)
0x08 (0x28)
0x07 (0x27)
0x06 (0x26)
0x05 (0x25)
0x04 (0x24)
0x03 (0x23)
0x02 (0x22)
0x01 (0x21)
0x00 (0x20)
EIFR
PCIFR
Reserved
Reserved
Reserved
TIFR2
TIFR1
TIFR0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
PORTD
DDRD
PIND
PORTC
DDRC
PINC
PORTB
DDRB
PINB
PORTA
DDRA
PINA
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PORTD7
DDD7
PIND7
PORTC7
DDC7
PINC7
PORTB7
DDB7
PINB7
PORTA7
DDA7
PINA7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PORTD6
DDD6
PIND6
PORTC6
DDC6
PINC6
PORTB6
DDB6
PINB6
PORTA6
DDA6
PINA6
-
-
-
-
-
-
ICF1
-
-
-
-
-
-
-
-
-
-
PORTD5
DDD5
PIND5
PORTC5
DDC5
PINC5
PORTB5
DDB5
PINB5
PORTA5
DDA5
PINA5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PORTD4
DDD4
PIND4
PORTC4
DDC4
PINC4
PORTB4
DDB4
PINB4
PORTA4
DDA4
PINA4
-
PCIF3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PORTD3
DDD3
PIND3
PORTC3
DDC3
PINC3
PORTB3
DDB3
PINB3
PORTA3
DDA3
PINA3
INTF2
PCIF2
-
-
-
OCF2B
OCF1B
OCF0B
-
-
-
-
-
-
-
-
-
PORTD2
DDD2
PIND2
PORTC2
DDC2
PINC2
PORTB2
DDB2
PINB2
PORTA2
DDA2
PINA2
INTF1
PCIF1
-
-
-
OCF2A
OCF1A
OCF0A
-
-
-
-
-
-
-
-
-
PORTD1
DDD1
PIND1
PORTC1
DDC1
PINC1
PORTB1
DDB1
PINB1
PORTA1
DDA1
PINA1
INTF0
69
PCIF0
70
-
-
-
TOV2
160
TOV1
139
TOV0
110
-
-
-
-
-
-
-
-
-
PORTD0
93
DDD0
93
PIND0
93
PORTC0
93
DDC0
93
PINC0
93
PORTB0
92
DDB0
92
PINB0
92
PORTA0
92
DDA0
92
PINA0
92
Notes:
1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses
should never be written.
2. I/O registers within the address range $00 - $1F are directly bit-accessible using the SBI and CBI instructions. In these reg-
isters, the value of single bits can be checked by using the SBIS and SBIC instructions.
3. Some of the status flags are cleared by writing a logical one to them. Note that the CBI and SBI instructions will operate on
all bits in the I/O register, writing a one back into any flag read as set, thus clearing the flag. The CBI and SBI instructions
work with registers 0x00 to 0x1F only.
4. When using the I/O specific commands IN and OUT, the I/O addresses $00 - $3F must be used. When addressing I/O regis-
ters as data space using LD and ST instructions, $20 must be added to these addresses.
The ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P is a complex microcontroller with more peripheral units
than can be supported within the 64 location reserved in Opcode for the IN and OUT instructions. For the Extended I/O
space from $60 - $FF, only the ST/STS/STD and LD/LDS/LDD instructions can be used.
5. USART in SPI Master Mode.
6. Only available in the ATmega164PA/324PA/644PA/1284P.
13
8272AS–AVR–01/10
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