ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 88

• Manufacturer Part Number: ATmega1284PR231
• Manufacturer: Atmel Corporation

Specifications of ATmega1284PR231

• Flash (kbytes): 128 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): 16
• Eeprom (bytes): 4096
• 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

8111C–MCU Wireless–09/09
• Bit 7 - RX_CRC_VALID
Reading this register bit indicates whether the last received frame has a valid FCS or not. The
register bit is updated when issuing interrupt IRQ_3 (TRX_END) and remains valid until the next
TRX_END interrupt is issued, caused by a new frame reception.
Table 8-6.
• Bit [6:5] - RND_VALUE
Refer to register description in
• Bit [4:0] - RSSI
Refer to register description in
Register Bit
RX_CRC_VALID
RX Frame FCS Check
Value
0
1
Section 11.2.2 “Register Description” on page
Section 8.3.4 “Register Description” on page
State Description
FCS is not valid
FCS is valid
AT86RF231
90.
136.
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