ATmega2561R212 Atmel Corporation, ATmega2561R212 Datasheet - Page 373
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
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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31.5.2
Table 31-6.
Note:
31.6
2549N–AVR–05/11
1. V
2-wire Serial Interface Characteristics
Enhanced Power-On Reset
tested down to V
a voltage where correct operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 110 for 4MHz operation of ATmega640V/1280V/1281V/2560V/2561V, BODLEVEL = 101 for 8MHz operation
of ATmega640V/1280V/1281V/2560V/2561V and ATmega640/1280/1281, and BODLEVEL = 100 for 16MHz operation of
ATmega640/1280/1281/2560/2561.
BOT
BODLEVEL Fuse Coding
BODLEVEL 2:0 Fuses
may be below nominal minimum operating voltage for some devices. For devices where this is the case, the device is
111
110
101
100
011
010
001
000
CC
T h i s
ATmega640/1280/1281/2560/2561. The table below describes the characteristics of this power-
on reset and it is valid for the following devices only:
•
•
•
•
•
Table 31-5.
Notes:
Table 31-7 on page 374
Bus. The ATmega640/1280/1281/2560/2561 2-wire Serial Interface meets or exceeds these
requirements under the noted conditions.
Timing symbols refer to
Symbol
V
V
= V
POT
PSR
ATmega640: revision B and newer
ATmega1280: revision B and newer
ATmega1281: revision B and newer
ATmega2560: revision F and newer
ATmega2561: revision F and newer
BOT
i m p l e m e n t a t i o n
1. Values are guidelines only.
2. Threshold where device is released from reset when voltage is rising.
3. The power-on reset threshold voltage (falling) will not work unless the supply voltage has been
during the production test. This guarantees that a Brown-Out Reset will occur before V
below V
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Power-On Slope Rate
(1)
Characteristics of Enhanced Power-On Reset. T
POT
.
Figure 31-6 on page
describes the requirements for devices connected to the 2-wire Serial
o f
Min V
ATmega640/1280/1281/2560/2561
p o w e r - o n
1.7
2.5
4.1
BOT
375.
r e s e t
(2)
(3)
Typ V
BOD Disabled
1.8
2.7
4.3
e x i s t s
Reserved
BOT
Min.
0.01
1.1
0.6
(1)
A
= -40 to +85°C.
i n
Typ.
Max V
n e w e r
1.4
1.3
2.0
2.9
4.5
(1)
BOT
Max.
v e r s i o n s
1.6
1.6
(1)
CC
Units
V
drops to
Units
V/ms
V
V
373
o f
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