MPR/MIB User’s Manual
Wireless Sensor Networks
Doc. # 7430-0021-06 Rev. A
Page 26
Table 7-1.
Chipcon
®
CC1000 Ouput Power (PA_POW) Settings and Typical Current
Consumption.
From Smart RF
®
CC1000 Preliminary Datasheet (rev. 2.1), 2002-04-19, p. 29 of
48.
Pout (dBm)
PA_POW (hex)
433/315 MHz
Current
Consumption,
typ.
(mA)
PA_POW
(hex)
915 MHz
Current
Consumption,
typ.
(mA)
-20
0x01
5.3
0x02
8.6
-19
0x01
6.9
0x02
8.8
-18
0x02
7.1
0x03
9.0
-17
0x02
7.1
0x03
9.0
-16
0x02
7.1
0x04
9.1
-15
0x03
7.4
0x05
9.3
-14
0x03
7.4
0x05
9.3
-13
0x03
7.4
0x06
9.5
-12
0x04
7.6
0x07
9.7
-11
0x04
7.6
0x08
9.9
-10
0x05
7.9
0x09
10.1
-9
0x05
7.9
0x0b
10.4
-8
0x06
8.2
0x0c
10.6
-7
0x07
8.4
0x0d
10.8
-6
0x08
8.7
0x0f
11.1
-5
0x09
8.9
0x40
13.8
-4
0x0a
9.4
0x50
14.5
-3
0x0b
9.6
0x50
14.5
-2
0x0c
9.7
0x60
15.1
-1
0x0e
10.2
0x70
15.8
0
0x0f
10.4
0x80
16.8
1
0x40
11.8
0x90
17.2
2
0x50
12.8
0xb0
18.5
3
0x50
12.8
0xc0
19.2
4
0x60
13.8
0xf0
21.3
5
0x70
14.8
0xff
25.4
6
0x80
15.8
7
0x90
16.8
8
0xc0
20.0
9
0xe0
22.1
10
0xff
26.7
X
NOTE:
In order to comply with "Biyjacku" (Japanese standard), the Radio Transmit power for the MICA2 must
have a PA_POW set to lowest value, 0x01.
The radio on the MICA2 /MICA2 DOT also provides a measurement of the received signal
strength, referred to as RSSI. This output is measured on ADC channel 0 and is available to the
software. Some versions of TinyOS provide this measurement automatically, and others must be
enabled by the user. The conversion from ADC counts to RSSI in dBm is given by:
Содержание MIB300
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