AT86RF231-ZF Atmel, AT86RF231-ZF Datasheet - Page 92
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AT86RF231-ZF
Manufacturer Part Number
AT86RF231-ZF
Description
TXRX LOW POWER 2.4GHZ 32VQFN
Manufacturer
Atmel
Datasheet
1.AT86RF231-ZUR.pdf
(198 pages)
Specifications of AT86RF231-ZF
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
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8.4.3
8.4.4
8111C–MCU Wireless–09/09
Data Interpretation
Interrupt Handling
The PHY_ED_LEVEL is an 8-bit register. The ED value of the AT86RF231 has a valid range
from 0x00 to 0x54 with a resolution of 1 dB. All other values do not occur; a value of 0xFF indi-
cates the reset value. A value of PHY_ED_LEVEL = 0 indicates that the measured energy is
less than -91 dBm (see parameter 12.7.16 RSSI_BASE_VAL,
teristics” on page
parameters, etc.) the calculated ED value has a maximum tolerance of ±5 dB, this is to be con-
sidered as constant offset over the measurement range.
An ED value of 0 indicates an RF input power of P
0 to 84, the RF input power can be calculated as follows:
Figure 8-5.
Interrupt IRQ_4 (CCA_ED_DONE) is issued at the end of a manually initiated ED measurement.
Note that an ED request should only be initiated in receive states. Otherwise the radio trans-
ceiver generates an IRQ_4 (CCA_ED_DONE); however no ED measurement was performed.
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
P
10
RF
0
0
= -91 + ED [dBm]
Mapping between Received Input Power and ED Value
160). Due to environmental conditions (temperature, voltage, semiconductor
10
Measured
Ideal
20
PHY_ED_LEVEL (register 0x07)
30
40
RF
≤ -91 dBm. For an ED value in the range of
50
Section 12.7 “Receiver Charac-
60
70
AT86RF231
80
90
92
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