ATMEGA2561R212-MU Atmel, ATMEGA2561R212-MU Datasheet - Page 131
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ATMEGA2561R212-MU
Manufacturer Part Number
ATMEGA2561R212-MU
Description
BUNDLE ATMEGA2561/RF212 QFN
Manufacturer
Atmel
Datasheet
1.ATMEGA640V-8CU.pdf
(444 pages)
Specifications of ATMEGA2561R212-MU
Frequency
800MHz, 900MHz
Modulation Or Protocol
802.15.4 Zigbee, 6LoWPAN, ISM
Data Interface
PCB, Surface Mount
Memory Size
256kB Flash, 4kB EEPROM, 8kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
64-QFN, 32-QFN
Processor Series
ATMEGA256x
Core
AVR8
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
256 KB
Data Ram Size
8 KB
Development Tools By Supplier
ATAVRRZ541, ATAVRRAVEN, ATAVRRZUSBSTICK, ATAVRISP2, ATAVRRZ201
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Supply
-
Power - Output
-
Operating Temperature
-
Applications
-
Sensitivity
-
Data Rate - Maximum
-
Current - Transmitting
-
Current - Receiving
-
Lead Free Status / Rohs Status
Details
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2549M–AVR–09/10
Table 15-7
rect PWM mode.
Table 15-7.
Note:
• Bits 3, 2 – Res: Reserved Bits
These bits are reserved bits and will always read as zero.
• Bits 1:0 – WGM01:0: Waveform Generation Mode
Combined with the WGM02 bit found in the TCCR0B Register, these bits control the counting
sequence of the counter, the source for maximum (TOP) counter value, and what type of wave-
form generation to be used, see
unit are: Normal mode (counter), Clear Timer on Compare Match (CTC) mode, and two types of
Pulse Width Modulation (PWM) modes (see
Table 15-8.
Note:
Mode
COM0B1
0
1
2
3
4
5
6
7
0
0
1
1
1. A special case occurs when OCR0B equals TOP and COM0B1 is set. In this case, the Com-
1. MAX
2. BOTTOM = 0x00
WGM2
shows the COM0B1:0 bit functionality when the WGM02:0 bits are set to phase cor-
pare Match is ignored, but the set or clear is done at TOP. See
page 126
0
0
0
0
1
1
1
1
Compare Output Mode, Phase Correct PWM Mode
Waveform Generation Mode Bit Description
COM0B0
= 0xFF
for more details.
WGM1
0
1
0
1
0
0
1
1
0
0
1
1
WGM0
Table
ATmega640/1280/1281/2560/2561
Clear OC0B on Compare Match when up-counting. Set OC0B on
Set OC0B on Compare Match when up-counting. Clear OC0B on
0
1
0
1
0
1
0
1
15-8. Modes of operation supported by the Timer/Counter
Timer/Counter
Normal port operation, OC0B disconnected.
PWM, Phase
PWM, Phase
Operation
Fast PWM
Fast PWM
Reserved
Reserved
“Modes of Operation” on page
Mode of
Compare Match when down-counting.
Compare Match when down-counting.
Normal
Correct
Correct
CTC
Description
Reserved.
OCRA
OCRA
OCRA
0xFF
0xFF
0xFF
TOP
–
–
(1)
“Phase Correct PWM Mode” on
Update of
Immediate
Immediate
BOTTOM
OCRx at
TOP
TOP
TOP
–
–
148).
Set on
TOV Flag
BOTTOM
BOTTOM
MAX
MAX
MAX
TOP
–
–
(1)(2)
131
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