ATmega644R212 Atmel Corporation, ATmega644R212 Datasheet - Page 188
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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21.6.3
8111C–MCU Wireless–09/09
RSSI
Figure 21-16. RSSI
30
25
20
15
10
5
0
-100
-90
-80
-70
RX Input Level [dBm]
-60
-50
-40
-30
-20
-10
AT86RF231
0
125 °C
-40 °C
25 °C
85 °C
188
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