ATmega2561R212 Atmel Corporation, ATmega2561R212 Datasheet - Page 160
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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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17.11.5
17.11.6
17.11.7
17.11.8
2549N–AVR–05/11
TCCR1B – Timer/Counter 1 Control Register B
TCCR3B – Timer/Counter 3 Control Register B
TCCR4B – Timer/Counter 4 Control Register B
TCCR5B – Timer/Counter 5 Control Register B
Table 17-5
correct and frequency correct PWM mode.
Table 17-5.
Note:
• Bit 7 – ICNCn: Input Capture Noise Canceler
Setting this bit (to one) activates the Input Capture Noise Canceler. When the Noise Canceler is
activated, the input from the Input Capture Pin (ICPn) is filtered. The filter function requires four
successive equal valued samples of the ICPn pin for changing its output. The input capture is
therefore delayed by four Oscillator cycles when the noise canceler is enabled.
Bit
(0x81)
Read/Write
Initial Value
Bit
(0x91)
Read/Write
Initial Value
Bit
(0xA1)
Read/Write
Initial Value
Bit
(0x121)
Read/Write
Initial Value
COMnA1
COMnB1
COMnC1
0
0
1
1
A special case occurs when OCRnA/OCRnB/OCRnC equals TOP and
COMnA1/COMnB1//COMnC1 is set.
details.
shows the COMnx1:0 bit functionality when the WGMn3:0 bits are set to the phase
COMnA0
COMnB0
COMnC0
Compare Output Mode, Phase Correct and Phase and Frequency Correct PWM
ICNC1
ICNC3
ICNC4
ICNC5
R/W
R/W
R/W
R/W
7
0
7
0
7
0
7
0
0
1
0
1
ICES1
ICES4
ICES5
ICES3
R/W
R/W
R/W
R/W
6
0
6
0
6
0
6
0
disconnected (normal port operation). For all other WGM1 settings, normal
WGM13:0 =9 or 11: Toggle OC1A on Compare Match, OC1B and OC1C
Clear OCnA/OCnB/OCnC on compare match when downcounting
Clear OCnA/OCnB/OCnC on compare match when up-counting
Set OCnA/OCnB/OCnC on compare match when downcounting
ATmega640/1280/1281/2560/2561
Set OCnA/OCnB/OCnC on compare match when up-counting
Normal port operation, OCnA/OCnB/OCnC disconnected
R
R
R
R
5
–
0
5
–
0
5
–
0
5
–
0
port operation, OC1A/OC1B/OC1C disconnected
See “Phase Correct PWM Mode” on page 152.
WGM13
WGM33
WGM43
WGM53
R/W
R/W
R/W
R/W
4
0
0
4
0
4
0
4
WGM12
WGM42
WGM52
WGM32
R/W
R/W
R/W
R/W
3
0
3
0
3
0
3
0
Description
CS42
CS52
CS12
CS32
R/W
R/W
R/W
R/W
2
0
2
0
2
0
2
0
CS11
CS41
CS51
CS31
R/W
R/W
R/W
R/W
1
0
1
0
1
0
1
0
CS10
CS40
CS50
CS30
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
for more
TCCR1B
TCCR4B
TCCR5B
TCCR3B
160
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