ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 32

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ATmega1284PR231

Manufacturer Part Number
ATmega1284PR231
Description
Manufacturer
Atmel Corporation
Datasheets

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 0 - IRQ_POLARITY
The default polarity of the IRQ pin is active high. The polarity can be configured to active low via
register bit IRQ_POLARITY, see
Table 6-11.
This setting does not affect the polarity of the Frame Buffer Empty Indicator, refer to
11.7 “Frame Buffer Empty Indicator” on page
active high.
Register Bit
IRQ_POLARITY
Configuration of Pin 24 (IRQ)
Value
0
1
Table 6-11 on page
Description
pin IRQ high active
pin IRQ low active
152. The Frame Buffer Empty Indicator is always
32.
AT86RF231
Section
32

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