AT86RF232 Atmel Corporation, AT86RF232 Datasheet - Page 91

• Manufacturer Part Number: AT86RF232
• Manufacturer: Atmel Corporation

Specifications of AT86RF232

• Max. Operating Frequency: 0 MHz
• Crypto Engine: AES
• Operating Voltage (vcc): 1.8 to 3.6
• Frequency Band: 2.4 GHz
• Max Data Rate (mb/s): 0.25
• Antenna Diversity: Yes
• External Pa Control: Yes
• Power Output (dbm): 3
• Receiver Sensitivity (dbm): -100
• Receive Current Consumption (ma): 11.8
• Transmit Current Consumption (ma): 13.8
• Link Budget (dbm): 103

8.4.3 Data Interpretation
8.4.4 Interrupt Handling
8321A–MCU Wireless–10/11
The
Atmel AT86RF232 has a valid range from 0x00 to 0x53 with a resolution of 1dB. A
value of 0xFF indicates the reset value. All other values do not occur.
Due to environmental conditions (temperature, voltage, semiconductor parameters,
etc.) the calculated ED_LEVEL value has a maximum tolerance of ±5dB, this is to be
considered as constant offset over the measurement range.
An ED_LEVEL value of zero indicates an RF input power of P
parameter RSSI
83, the RF input power can be calculated as follows:
Figure 8-8. Mapping between Received Input Power and ED Value.
Interrupt IRQ_4 (CCA_ED_DONE) is issued at the end of a manually initiated ED
measurement.
Note:
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
PHY_ED_LEVEL
0
P
0
RF
1.
[dBm] = RSSI
An ED request should only be initiated in receive states. Otherwise the radio
transceiver
measurement was performed.
BASE_VAL
10
Measured
Ideal
,
20
Section
BASE_VAL
is
generates
an
PHY_ED_LEVEL (register 0x07)
12.7). For an ED_LEVEL value in the range of one to
+ ED_LEVEL
30
8-bit
an
register.
40
IRQ_4 (CCA_ED_DONE);
50
The
ED_LEVEL
60
AT86RF232
70
however
RF
≤ -91dBm (see
value
80
no
of
ED
90
the
91