ATmega644PR231 Atmel Corporation, ATmega644PR231 Datasheet - Page 146
ATmega644PR231
Manufacturer Part Number
ATmega644PR231
Description
Manufacturer
Atmel Corporation
Specifications of ATmega644PR231
Flash (kbytes)
64 Kbytes
Max. Operating Frequency
20 MHz
Max I/o Pins
32
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)
4
Eeprom (bytes)
2048
Operating Voltage (vcc)
1.8 to 3.6
Timers
3
Frequency Band
2.4 GHz
Max Data Rate (mb/s)
2
Antenna Diversity
Yes
External Pa Control
Yes
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
13.2
Transmit Current Consumption (ma)
14.4
Link Budget (dbm)
104
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8111C–MCU Wireless–09/09
Table 11-14. Antenna Diversity Switch Control
Note:
ANT_CTRL
Register values 1 and 2 are valid for ANT_EXT_SW_EN = 1.
0
1
2
3
Reserved
Antenna 1
DIG1 = L
DIG2 = H
Antenna 0
DIG1 = H
DIG2 = L
Default value for ANT_EXT_SW_EN = 0.
Mandatory setting for applications not using Antenna Diversity.
AT86RF231
146
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