ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 53

• 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

Figure 7-9.
8111C–MCU Wireless–09/09
Note 1: Address match, Promiscuous Mode and
Note 2: FCS check is omitted for Promiscous Mode
Note 3: Additional conditions:
Flow Diagram of RX_AACK
Wait 2 symbol
- A radio transceiver in Promiscuous
- For details refer to the description of
- ACK requested &
- ACK_DIS_ACK==0 &
- frame_version<=AACK_FVN_MODE
periods
Reserved Frames:
Mode, or configured to receive Reserved
Frames handles received frames passing
the third level of filtering
Promiscuous Mode and Reserved
Frame Types
pin 11 (SLP_TR)
rising edge
N
Y
AACK_ACK_TIME
Wait 6 symbol
periods
== 0
N
Y
Transmit ACK
TRX_STATE = RX_AACK_ON
N
N
TRX_STATE = BUSY_RX_AACK
TRX_STATE = RX_AACK_ON
Generate IRQ_2 (RX_START)
Generate IRQ_3 (TRX_END)
N
Generate IRQ_5 (AMI)
AACK_ACK_TIME
Slotted Operation
Frame reception
Wait 12 symbol
Scanning MHR
Frame Filtering
ACK requested
SHR detected
(see Note 2)
(see Note 3)
FCS valid
periods
Y
== 0
== 0
Y
Y
Y
Y
Y
(see Note 1)
N
N
N
Wait 2 symbol
periods
AACK_PROM_MODE
Promiscuous Mode
Frame reception
Generate IRQ_3
(TRX_END)
== 1
Y
N
N
N
N
AACK_UPLD_RES_FT
Reserved Frames
Generate IRQ_3
(TRX_END)
AT86RF231
FCS valid
FCF[2:0]
Y
Y
Y
== 1
> 3
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