AT86RF212 Atmel Corporation, AT86RF212 Datasheet - Page 83
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AT86RF212
Manufacturer Part Number
AT86RF212
Description
Manufacturer
Atmel Corporation
Specifications of AT86RF212
Max. Operating Frequency
0 MHz
Crypto Engine
AES
Operating Voltage (vcc)
1.8 to 3.6
Frequency Band
700/800/900MHz
Max Data Rate (mb/s)
1
Antenna Diversity
No
External Pa Control
Yes
Power Output (dbm)
10
Receiver Sensitivity (dbm)
-110
Receive Current Consumption (ma)
9.0
Transmit Current Consumption (ma)
18 at 5dBm
Link Budget (dbm)
120
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6.5.3 Data Interpretation
6.5.4 Interrupt Handling
6.5.5 Register Description
8168C-MCU Wireless-02/10
The PHY_ED_LEVEL (ED) is an 8-bit register. The ED value of the AT86RF212 has a
valid range from 0x00 to 0x54 (0 to 84) with a resolution of about 1 dB. Values 0x55 to
0xFE do not occur and a value of 0xFF indicates the reset value.
An ED value of 0 indicates a receiver input power less than or equal to
RSSI_BASE_VAL [dBm] (refer to Table 6-25); a value of 85 indicates an input power
equal to or larger than (RSSI_BASE_VAL + 87) [dBm].
The receiver input power can be calculated as follows:
Figure 6-4. Mapping between ED Value and Receiver Input Power
Interrupt IRQ_4 (CCA_ED_DONE) is issued at the end of a manually initiated ED
measurement.
Note that an ED measurement should only be initiated in RX states but not in
RX_AACK
(CCA_ED_DONE) without actually performing an ED measurement.
Register 0x07 (PHY_ED_LEVEL)
The PHY_ED_LEVEL register contains the result of an ED measurement.
90
80
70
60
50
40
30
20
10
0
-100
P
RF
[dBm] = RSSI_BASE_VAL + 1.03 ⋅ ED_LEVEL
states.
Otherwise,
-80
Receiver Input Power [dBm]
the
-60
radio
transceiver
-40
BPSK with 300 kchip/s
BPSK with 600 kchip/s
O-QPSK with 400 kchip/s
O-QPSK with 1000 kchip/s (SIN)
generates
AT86RF212
-20
an
IRQ_4
0
83