ATmega644R212 Atmel Corporation, ATmega644R212 Datasheet - Page 347
ATmega644R212
Manufacturer Part Number
ATmega644R212
Description
Manufacturer
Atmel Corporation
Specifications of ATmega644R212
Flash (kbytes)
64 Kbytes
Max. Operating Frequency
20 MHz
Max I/o Pins
32
Spi
3
Twi (i2c)
1
Uart
1
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
AES
Sram (kbytes)
4
Eeprom (bytes)
2048
Operating Voltage (vcc)
1.8 to 3.6
Timers
3
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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8011O–AVR–07/10
Figure 26-16. I/O Pin Pull-up Resistor Current vs. Input Voltage (V
Figure 26-17. I/O Pin Pull-up Resistor Current vs. Input Voltage (V
160
140
120
100
80
60
40
20
80
70
60
50
40
30
20
10
0
0
0
0
1
0.5
2
1
V
OP
3
1.5
(V)
ATmega164P/324P/644P
4
2
CC
CC
5
2.5
= 2.7V).
= 5V).
6
3
-40°C
-40°C
25°C
85°C
25°C
85°C
347
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