ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 90
ATmega1284PR231
Manufacturer Part Number
ATmega1284PR231
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT86RF231.pdf
(198 pages)
2.ATMEGA1284PR231.pdf
(380 pages)
3.ATMEGA1284PR231.pdf
(20 pages)
Specifications of ATmega1284PR231
Flash (kbytes)
128 Kbytes
Max. Operating Frequency
20 MHz
Max I/o Pins
32
Spi
3
Twi (i2c)
1
Uart
2
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
AES
Sram (kbytes)
16
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
3
Frequency Band
2.4 GHz
Max Data Rate (mb/s)
2
Antenna Diversity
Yes
External Pa Control
Yes
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
13.2
Transmit Current Consumption (ma)
14.4
Link Budget (dbm)
104
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Register Description
12.3.5
12.3.6
12.3.7
12.3.8
12.3.9
12.3.10
12.3.11
8059D–AVR–11/09
MCUCR – MCU Control Register
PORTA – Port A Data Register
DDRA – Port A Data Direction Register
PINA – Port A Input Pins Address
PORTB – Port B Data Register
DDRB – Port B Data Direction Register
PINB – Port B Input Pins Address
• Bit 4 – PUD: Pull-up Disable
When this bit is written to one, the pull-ups in the I/O ports are disabled even if the DDxn and
PORTxn Registers are configured to enable the pull-ups ({DDxn, PORTxn} = 0b01). See
figuring the Pin” on page 71
Bit
0x35 (0x55)
Read/Write
Initial Value
Bit
0x02 (0x22)
Read/Write
Initial Value
Bit
0x01 (0x21)
Read/Write
Initial Value
Bit
0x00 (0x20)
Read/Write
Initial Value
Bit
0x05 (0x25)
Read/Write
Initial Value
Bit
0x04 (0x24)
Read/Write
Initial Value
Bit
0x03 (0x23)
Read/Write
Initial Value
PORTB7
PORTA7
PINA7
PINB7
DDB7
DDA7
JTD
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
7
0
7
0
7
0
7
7
0
7
0
7
PORTA6
PORTB6
BODS
PINA6
PINB6
DDB6
DDA6
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
6
0
6
0
6
0
6
6
0
6
0
6
for more details about this feature.
PORTA5
PORTB5
PINA5
PINB5
BODSE
DDA5
DDB5
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
5
0
5
0
5
5
0
5
0
5
R
5
0
PORTA4
PORTB4
PINA4
PINB4
DDA4
DDB4
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
4
0
4
0
4
4
0
4
0
4
PUD
R/W
0
4
PORTA3
PORTB3
PINA3
PINB3
DDA3
DDB3
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
3
0
3
0
3
3
0
3
0
3
R
3
–
0
PORTA2
PORTB2
PINA2
PINB2
DDA2
DDB2
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
2
0
2
0
2
2
0
2
0
2
R
2
–
0
ATmega1284P
PORTA1
PORTB1
PINA1
PINB1
DDA1
DDB1
R/W
R/W
R/W
R/W
R/W
R/W
IVSEL
N/A
N/A
R/W
1
0
1
0
1
1
0
1
0
1
1
0
PORTA0
PORTB0
PINA0
PINB0
DDA0
DDB0
R/W
IVCE
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
0
0
0
0
0
0
0
0
0
0
0
0
MCUCR
PORTA
PORTB
DDRA
DDRB
PINA
PINB
”Con-
90
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