ATmega644PR231 Atmel Corporation, ATmega644PR231 Datasheet - Page 177
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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20.3
8111C–MCU Wireless–09/09
Bit
+0x36
Read/Write
Reset Value
Register Description
R/W
7
0
Register 0x36 (TST_CTRL_DIGI):
Register TST_CTRL_DIG enables the continuous transmission test mode.
• Bit [7:4] - Reserved
• Bit [3:0] - TST_CTRL_DIG
These register bits enable continuous transmission:
Table 20-3.
R/W
6
Register Bit
TST_CTRL_DIG
0
Reserved
R/W
5
1
Continuous Transmission
R/W
4
0
0x1 - 0xE
Value
0x0
0xF
R/W
3
0
Description
Continuous Transmission disabled
Continuous Transmission enabled
Reserved
R/W
2
0
TST_CTRL_DIG
R/W
1
0
R/W
0
AT86RF231
0
TST_CTRL_DIGI
177
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