ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 15
ATmega1284PR231
Manufacturer Part Number
ATmega1284PR231
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT86RF231.pdf
(198 pages)
2.ATMEGA1284PR231.pdf
(380 pages)
3.ATMEGA1284PR231.pdf
(20 pages)
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
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AT86RF231
control pins DIG1/DIG2, the RF signal is amplified by an optional low-noise amplifier (N2) and
fed to the radio transceiver using the second RX/TX switch (SW1).
During transmit the AT86RF231 TX signal is amplified using an external PA (N1) and fed to the
antennas via an RF switch (SW2). In this example RF switch SW2 further supports Antenna
Diversity controlled by the differential pin pair DIG1/DIG2.
The security engine (AES) and High Data Rate Modes do not require specific circuitry to oper-
ate. The security engine (AES) has to be configured in advance, for details refer to
Section 11.1
“Security Module (AES)” on page
128. The High Data Rate Modes are enabled by register bits
OQPSK_DATA_RATE (register 0x0C, TRX_CTRL_2), for details refer to
Section 11.3 “High
Data Rate Modes” on page
137.
15
8111C–MCU Wireless–09/09
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