ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 33
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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7. Operating Modes
7.1
Figure 7-1.
7.1.1
8111C–MCU Wireless–09/09
Basic Operating Mode
RX_ON_NOCLK
State Control
(Rx Listen State)
(Receive State)
BUSY_RX
CLKM=OFF
Basic Operating Mode State Diagram (for timing refer to
This section summarizes all states to provide the basic functionality of the AT86RF231, such as
receiving and transmitting frames, the power up sequence and sleep. The Basic Operating
Mode is designed for IEEE 802.15.4 and ISM applications; the corresponding radio transceiver
states are shown in
The radio transceiver states are controlled either by writing commands to register bits
TRX_CMD (register 0x02, TRX_STATE), or directly by two signal pins: pin 11 (SLP_TR) and
Detected
Frame
(all states except SLEEP)
SHR
FORCE_TRX_OFF
End
(Power-on after V
(Rx Listen State)
XOSC=ON
P_ON
Pull=ON
RX_ON
6
12
Figure 7.1 on page
DD
)
(all states except SLEEP,
P_ON, TRX_OFF, RX_ON_NOCLK)
FORCE_PLL_ON
1
8
TRX_OFF
(Clock State)
XOSC=ON
PLL_ON
7
Pull=OFF
RX_ON
2
5
9
33.
14
Table 7-1 on page
13
PLL_ON
(PLL State)
(all states except P_ON)
(Sleep State)
XOSC=OFF
SLEEP
Pull=OFF
4
Legend:
Blue:
Red:
Green: Event
3
/RST = H
X
State transition number, see Table 7-1
Basic Operating Mode States
SPI Write to Register TRX_STATE (0x02)
Control signals via IC Pin
SLP_TR = H
TX_START
11
42)
or
Frame
End
10
/RST = L
(Transmit State)
AT86RF231
(from all states)
BUSY_TX
RESET
33
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