ATmega1280R212 Atmel Corporation, ATmega1280R212 Datasheet - Page 158
ATmega1280R212
Manufacturer Part Number
ATmega1280R212
Description
Manufacturer
Atmel Corporation
Specifications of ATmega1280R212
Flash (kbytes)
128 Kbytes
Max. Operating Frequency
16 MHz
Max I/o Pins
86
Spi
5
Twi (i2c)
1
Uart
4
Adc Channels
16
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 Register Description
17.11.1
17.11.2
17.11.3
17.11.4
2549N–AVR–05/11
TCCR1A – Timer/Counter 1 Control Register A
TCCR3A – Timer/Counter 3 Control Register A
TCCR4A – Timer/Counter 4 Control Register A
TCCR5A – Timer/Counter 5 Control Register A
•
•
•
The COMnA1:0, COMnB1:0, and COMnC1:0 control the output compare pins (OCnA, OCnB,
and OCnC respectively) behavior. If one or both of the COMnA1:0 bits are written to one, the
OCnA output overrides the normal port functionality of the I/O pin it is connected to. If one or
both of the COMnB1:0 bits are written to one, the OCnB output overrides the normal port func-
tionality of the I/O pin it is connected to. If one or both of the COMnC1:0 bits are written to one,
the OCnC output overrides the normal port functionality of the I/O pin it is connected to. How-
ever, note that the Data Direction Register (DDR) bit corresponding to the OCnA, OCnB or
OCnC pin must be set in order to enable the output driver.
When the OCnA, OCnB or OCnC is connected to the pin, the function of the COMnx1:0 bits is
dependent of the WGMn3:0 bits setting.
tionality when the WGMn3:0 bits are set to a normal or a CTC mode (non-PWM).
Bit
(0x80)
Read/Write
Initial Value
Bit
(0x90)
Read/Write
Initial Value
Bit
(0xA0)
Read/Write
Initial Value
Bit
(0x120)
Read/Write
Initial Value
Bit 7:6 – COMnA1:0: Compare Output Mode for Channel A
Bit 5:4 – COMnB1:0: Compare Output Mode for Channel B
Bit 3:2 – COMnC1:0: Compare Output Mode for Channel C
COM1A1
COM3A1
COM4A1
COM5A1
R/W
R/W
R/W
R/W
7
0
7
0
7
0
7
0
COM1A0
COM3A0
COM4A0
COM5A0
R/W
R/W
R/W
R/W
6
0
6
0
6
0
6
0
ATmega640/1280/1281/2560/2561
COM1B1
COM3B1
COM4B1
COM5B1
R/W
R/W
R/W
R/W
5
0
5
0
5
0
5
0
Table 17-3 on page 159
COM1B0
COM3B0
COM4B0
COM5B0
R/W
R/W
R/W
R/W
4
0
4
0
4
0
4
0
COM1C1
COM3C1
COM4C1
COM5C1
R/W
R/W
R/W
R/W
3
0
3
0
3
0
3
0
COM1C0
COM3C0
COM4C0
COM5C0
R/W
R/W
R/W
R/W
2
0
2
0
2
0
2
0
shows the COMnx1:0 bit func-
WGM11
WGM31
WGM41
WGM51
R/W
R/W
R/W
R/W
1
0
1
0
1
0
1
0
WGM10
WGM30
WGM40
WGM50
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
TCCR1A
TCCR3A
TCCR4A
TCCR5A
158
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