ATmega644PR231 Atmel Corporation, ATmega644PR231 Datasheet - Page 2

• Manufacturer Part Number: ATmega644PR231
• 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

1. Pin-out Diagram
8111C–MCU Wireless–09/09
Figure 1-1.
Note:
The exposed paddle is electrically connected to the die inside the package. It shall be soldered to
the board to ensure electrical and thermal contact and good mechanical stability.
AT86RF231 Pin-out Diagram
D IG 3
D IG 4
A V S S
R FP
R FN
A V S S
D V S S
/R S T
1
2
3
4
5
6
7
8
32
9 10 11 12 13 14 15 16
31 30 29 28 27 26 25
A V S S
A T86 R F2 3 1
exposed paddle
24
23
22
21
20
19
18
17
IR Q
/ S E L
M O S I
D V S S
M IS O
S C L K
D V S S
C L K M
AT86RF231
2