SM1211E915 Semtech, SM1211E915 Datasheet - Page 64

• Manufacturer Part Number: SM1211E915
• Description: Dev Kit Accessory
• Manufacturer: Semtech

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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