ATmega644R212 Atmel Corporation, ATmega644R212 Datasheet - Page 190
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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21.7.3
8111C–MCU Wireless–09/09
TX Output Power vs. Channel
Figure 21-19. TX Output Power vs. Channel (EVDD = 3.0V, TX_PWR = 0)
3.5
2.5
1.5
0.5
4
3
2
1
0
10
11
12
13
14
15
Channel acct. IEEE802.15.4
16
17
18
19
20
21
22
23
24
25
AT86RF231
26
27
125 °C
-40 °C
25 °C
85 °C
190
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