AT86RF231 Atmel Corporation, AT86RF231 Datasheet - Page 90
AT86RF231
Manufacturer Part Number
AT86RF231
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT86RF231.pdf
(198 pages)
Specifications of AT86RF231
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)
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
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
AT86RF231-ZU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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8.3.4
8111C–MCU Wireless–09/09
Register Description
Figure 8-4.
Register 0x06 (PHY_RSSI):
• Bit 7 - RX_CRC_VALID
Refer to register description in
• Bit [6:5] - RND_VALUE
Refer to register description in section
• Bit [4:0] - RSSI
The result of the automated RSSI measurement is stored in register bits RSSI. The value is
updated every 2 µs in receive states.
The read value is a number between 0 and 28 indicating the received signal strength as a linear
curve on a logarithmic input power scale (dBm) with a resolution of 3 dB. An RSSI value of 0
indicates an RF input power of P
P
Bit
+0x06
Read/Write
Reset Value
RF
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
10 dBm (see parameter 12.7.18).
0
0
RX_CRC_VALID
Mapping between RSSI Value and Received Input Power
2
7
R
0
4
Measured
Ideal
6
6
R
0
Section 8.2.5 “Register Description” on page
RND_VALUE
8
RF
< -91 dBm (see parameter 12.7.16), a value of 28 a power of
10
Section 11.2.2 “Register Description” on page
5
R
0
12
4
R
0
14
RSSI
16
3
R
0
18
RSSI
2
R
0
20
22
1
R
0
AT86RF231
87.
24
0
R
0
26
136.
PHY_RSSI
28
30
90
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