ATmega2561R212 Atmel Corporation, ATmega2561R212 Datasheet - Page 83
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ATmega2561R212
Manufacturer Part Number
ATmega2561R212
Description
Manufacturer
Atmel Corporation
Specifications of ATmega2561R212
Flash (kbytes)
256 Kbytes
Max. Operating Frequency
16 MHz
Max I/o Pins
54
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)
8
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
6
Frequency Band
700/800/900MHz
Max Data Rate (mb/s)
1
Antenna Diversity
No
External Pa Control
Yes
Power Output (dbm)
10
Receiver Sensitivity (dbm)
-110
Receive Current Consumption (ma)
9.0
Transmit Current Consumption (ma)
18 at 5dBm
Link Budget (dbm)
120
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13.3.4
2549N–AVR–05/11
Alternate Functions of Port D
Table 13-11. Overriding Signals for Alternate Functions in PC3:PC0
The Port D pins with alternate functions are shown in
Table 13-12. Port D Pins Alternate Functions
The alternate pin configuration is as follows:
• T0 – Port D, Bit 7
T0, Timer/Counter0 counter source.
• T1 – Port D, Bit 6
T1, Timer/Counter1 counter source.
• XCK1 – Port D, Bit 5
XCK1, USART1 External clock. The Data Direction Register (DDD5) controls whether the clock
is output (DDD5 set) or input (DDD5 cleared). The XCK1 pin is active only when the USART1
operates in Synchronous mode.
• ICP1 – Port D, Bit 4
ICP1 – Input Capture Pin 1: The PD4 pin can act as an input capture pin for Timer/Counter1.
DIEOE
Signal
DIEOV
DDOE
Name
PUOE
PUOV
DDOV
PVOE
PVOV
Port Pin
AIO
DI
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
SRE • (XMM<5)
SRE • (XMM<5)
SRE • (XMM<5)
PC3/A11
A11
0
1
0
0
–
–
INT3/TXD1 (External Interrupt3 Input or USART1 Transmit Pin)
INT2/RXD1 (External Interrupt2 Input or USART1 Receive Pin)
INT0/SCL (External Interrupt0 Input or TWI Serial CLock)
INT1/SDA (External Interrupt1 Input or TWI Serial DAta)
ATmega640/1280/1281/2560/2561
XCK1 (USART1 External Clock Input/Output)
ICP1 (Timer/Counter1 Input Capture Trigger)
SRE • (XMM<6)
SRE • (XMM<6)
SRE • (XMM<6)
PC2/A10
T0 (Timer/Counter0 Clock Input)
T1 (Timer/Counter1 Clock Input)
A10
0
1
0
0
–
–
Alternate Function
Table
SRE • (XMM<7)
SRE • (XMM<7)
SRE • (XMM<7)
13-12.
PC1/A9
A9
0
1
0
0
–
–
SRE • (XMM<7)
SRE • (XMM<7)
SRE • (XMM<7)
PC0/A8
A8
0
1
0
0
–
–
83
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