AT86RF231-ZFR Atmel, AT86RF231-ZFR Datasheet - Page 102
AT86RF231-ZFR
Manufacturer Part Number
AT86RF231-ZFR
Description
TXRX LOW POWER 2.4GHZ 32VQFN
Manufacturer
Atmel
Datasheet
1.AT86RF231-ZUR.pdf
(198 pages)
Specifications of AT86RF231-ZFR
Frequency
2.4GHz
Data Rate - Maximum
2Mbps
Modulation Or Protocol
802.15.4 Zigbee, 6LoWPAN, RF4CE, SP100, WirelessHART™, ISM
Applications
Industrial Monitoring and Control, Wireless Alarm and Security Systems
Power - Output
-17dBm ~ 3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
12.3mA
Current - Transmitting
14mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Number Of Receivers
1
Number Of Transmitters
1
Wireless Frequency
2405 MHz to 2480 MHz
Interface Type
SPI
Noise Figure
6 dB
Output Power
20 dB
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Maximum Supply Current
12.3 mA
Minimum Operating Temperature
- 40 C
Modulation
OQPSK
Protocol Supported
802.15.4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
AT86RF231-ZFR
AT86RF231-ZFRTR
AT86RF231-ZFRTR
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9.1.2
9.1.3
8111C–MCU Wireless–09/09
Frame Receive Procedure
Configuration
The frame receive procedure including the radio transceiver setup for reception and reading
PSDU data from the Frame Buffer is described in
page
In Basic Operating Mode the receiver is enabled by writing command RX_ON to register bits
TRX_CMD (register 0x02, TRX_STATE) in states TRX_OFF or PLL_ON. Similarly in Extended
Operating Mode, the receiver is enabled for RX_AACK operation from states TRX_OFF or
PLL_ON by writing the command RX_AACK_ON. There is no additional configuration required
to receive IEEE 802.15.4 compliant frames when using the Basic Operating Mode. However, the
frame reception in the Extended Operating Mode requires further register configurations, for
details refer to
The AT86RF231 receiver has an outstanding sensitivity performance of -101 dBm. At certain
environmental conditions or for High Data Rate Modes, refer to
Modes” on page
adjusting the synchronization header detector threshold using register bits RX_PDT_LEVEL
(register 0x15, RX_SYN). Received signals with an RSSI value below the threshold do not acti-
vate the demodulation process.
Furthermore, it may be useful to protect a received frame against overwriting by subsequent
received frames.
A Dynamic Frame Buffer Protection is enabled with register bit RX_SAFE_MODE (register
0x0C, TRX_CTRL_2) set, see
The receiver remains in RX_ON or RX_AACK_ON state until the whole frame is read by the
microcontroller, indicated by /SEL = H during the SPI Frame Receive Mode. The Frame Buffer
content is only protected if the FCS is valid.
A Static Frame Buffer Protection is enabled with register bit RX_PDT_DIS (register 0x15,
RX_SYN) set. The receiver remains in RX_ON or RX_AACK_ON state and no further SHR is
detected until the register bit RX_PDT_DIS is set back.
126.
Section 7.2 “Extended Operating Mode” on page
137, it may be useful to manually decrease this sensitivity. This is achieved by
Section 11.8 “Dynamic Frame Buffer Protection” on page
Section 10.1 “Frame Receive Procedure” on
47.
Section 11.3 “High Data Rate
AT86RF231
154.
102
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