SM1211E915 Semtech, SM1211E915 Datasheet - Page 64

Dev Kit Accessory

SM1211E915

Manufacturer Part Number
SM1211E915
Description
Dev Kit Accessory
Manufacturer
Semtech
Datasheets

Specifications of SM1211E915

Modulation Type
FSK, OOK
Data Rate Max
200Kbps
Frequency Range
902MHz To 928MHz
Supply Voltage Range
2.1V To 3.6V
Module Interface
SPI
Supply Current
25mA
Accessory Type
RF Module
Sensitivity
-105dBm
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Package Type
TQFN EP
Operating Supply Voltage (min)
2.1V
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.6V
Sensitivity (dbm)
-105dBm
Rohs Compliant
NA
Lead Free Status / RoHS Status
na
Lead Free Status / RoHS Status
na
The detailed description of the TXParam register is given in Table 31.
Table 31: TXParam Register Description
Name
InterpFilt
Pout
Res
The detailed description of the OSCParam register is given in Table 32.
Table 32: OSCParam Register Description
Name
Clkout_on
Clkout_freq
Res
Rev 7 – Sept 2
ADVANCED COMMUNICATIONS & SENSING
6.6. Transmitter Parameters - TXParam
6.7. Oscillator Parameters - OSCParam
nd
, 2008
Bits
7-4
3-1
0
Bits
7
6-2
1-0
Address (d)
26
26
26
Address
(d)
27
27
27
RW
r/w
r/w
r/w
RW
r/w
r/w
r/w
Description
Clkout control
0
1
Frequency of the signal provided on CLKOUT:
(d): 01111 (= 427 kHz)
Reserved
(d): “00”
fclkout
fclkout
Description
Tx Interpolation filter cut off frequency:
(d): “0111” => f
Tx output power (1 step ≈ 3 dB):
000
001
010
011
100
101
110
111
Reserved
(d): “0”
fc
Disabled
Enabled, Clk frequency set by Clkout_freq (d)
Page 64 of 92
200
13 dBm
13 dBm -1 step (d)
13 dBm – 2 steps
13 dBm – 3 steps
13 dBm – 4 steps
13 dBm – 5 steps
13 dBm – 6 steps
13 dBm – 7 steps
2
f
kHz
xtal
Clkout
.
12
F
if Clkout_freq = “00000”
C
f
xtal
xtal
= 200 kHz
8 .
MHz
MHz
_
freq
.
1
otherwise
Val
(
InterpFilt
8
Tx
)
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SX1211

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