ATMEGA2561V ATMEL [ATMEL Corporation], ATMEGA2561V Datasheet - Page 420

• Manufacturer Part Number: ATMEGA2561V
• Description: 8-bit Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Note:
420
0x1B (0x3B)
0x1A (0x3A)
0x0E (0x2E)
0x0D (0x2D)
0x0C (0x2C)
0x0B (0x2B)
0x0A (0x2A)
Address
0x19 (0x39)
0x18 (0x38)
0x17 (0x37)
0x16 (0x36)
0x15 (0x35)
0x14 (0x34)
0x13 (0x33)
0x12 (0x32)
0x11 (0x31)
0x10 (0x30)
0x0F (0x2F)
0x09 (0x29)
0x08 (0x28)
0x07 (0x27)
0x06 (0x26)
0x05 (0x25)
0x04 (0x24)
0x03 (0x23)
0x02 (0x22)
0x01 (0x21)
0x00 (0x20)
1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses
2. I/O registers within the address range $00 - $1F are directly bit-accessible using the SBI and CBI instructions. In these reg-
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
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-
ATmega640/1280/1281/2560/2561
should never be written.
isters, the value of single bits can be checked by using the SBIS and SBIC instructions.
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.
ters
ATmega640/1280/1281/2560/2561
the 64 location reserved in Opcode for the IN and OUT instructions. For the Extended I/O space from $60 - $1FF in SRAM,
only the ST/STS/STD and LD/LDS/LDD instructions can be used.
Name
PORTG
PORTD
PORTC
PORTF
PORTE
PORTB
PORTA
PCIFR
DDRG
DDRD
DDRC
TIFR5
TIFR4
TIFR3
TIFR2
TIFR1
TIFR0
DDRF
DDRE
DDRB
DDRA
PING
PINF
PINE
PIND
PINC
PINB
PINA
as
data
PORTF7
PORTE7
PORTD7
PORTC7
PORTB7
PORTA7
PIND7
PINC7
Bit 7
PINF7
PINE7
DDD7
DDC7
PINB7
PINA7
DDF7
DDE7
DDB7
DDA7
-
-
-
-
-
-
-
-
-
-
space
PORTE6
PORTD6
PORTC6
PORTB6
PORTA6
PORTF6
using
Bit 6
PINF6
PINE6
PIND6
PINC6
PINB6
PINA6
DDF6
DDE6
DDD6
DDC6
DDB6
DDA6
-
-
-
-
-
-
-
-
-
-
LD
PORTG5
PORTD5
PORTC5
PORTF5
PORTE5
PORTB5
PORTA5
Bit 5
PING5
PINF5
PINE5
PIND5
PINC5
PINB5
PINA5
DDG5
DDE5
DDD5
DDC5
DDB5
DDA5
DDF5
is a complex microcontroller with more peripheral units than can be supported within
ICF5
ICF4
ICF3
ICF1
and
-
-
-
ST
PORTG4
PORTF4
PORTE4
PORTD4
PORTC4
PORTB4
PORTA4
Bit 4
PING4
PINE4
PIND4
PINC4
PINB4
PINA4
DDG4
PINF4
DDE4
DDD4
DDC4
DDB4
DDA4
DDF4
instructions,
-
-
-
-
-
-
-
PORTG3
PORTF3
PORTE3
PORTD3
PORTC3
PORTB3
PORTA3
OCF5C
OCF4C
OCF3C
OCF1C
PING3
PIND3
PINC3
Bit 3
DDG3
PINF3
PINE3
DDD3
DDC3
PINB3
PINA3
DDF3
DDE3
DDB3
DDA3
-
-
-
$20
must
PORTG2
PORTE2
PORTD2
PORTC2
PORTB2
PORTA2
PORTF2
OCF5B
OCF4B
OCF3B
OCF2B
OCF1B
OCF0B
PING2
Bit 2
PCIF2
DDG2
PINF2
PINE2
PIND2
PINC2
PINB2
PINA2
DDF2
DDE2
DDD2
DDC2
DDB2
DDA2
be
PORTG1
PORTF1
PORTE1
PORTD1
PORTC1
PORTB1
PORTA1
OCF5A
OCF4A
OCF3A
OCF2A
OCF1A
OCF0A
added
Bit 1
PING1
PINE1
PIND1
PINC1
PINB1
PINA1
PCIF1
DDG1
PINF1
DDD1
DDC1
DDF1
DDE1
DDB1
DDA1
to
PORTG0
PORTE0
PORTD0
PORTC0
PORTB0
PORTA0
PORTF0
PING0
Bit 0
PCIF0
DDG0
PINF0
PINE0
PIND0
PINC0
PINB0
PINA0
TOV5
TOV4
TOV3
TOV2
TOV1
TOV0
DDF0
DDE0
DDD0
DDC0
DDB0
DDA0
these
addresses.
2549K–AVR–01/07
page 169
page 170
page 170
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page 170
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The