XE1202AI027TRLF Semtech, XE1202AI027TRLF Datasheet - Page 17

• Manufacturer Part Number: XE1202AI027TRLF
• Description: Narrow Band 433/868/915MHz RF Transceiver
• Manufacturer: Semtech

© Semtech 2006
RTParam_BW
RTParam_Tpow
RTParam_Osc
RTParam_WBB
RTParam_Filter
RTParam_Clkout
RTParam_Modul
RTParam_RSSR
RTParam_Stair
RTParam_Fsel
Name
3-2
Bits
1-0
7
6
5
4
3
2
1
0
Table 11: RTParam configuration register
Byte Address
00000
00000
00001
00001
00001
00001
00001
00001
00001
00001
18
XE1202A TrueRF™
Description
Bandwidth of the BB filter:
0 0 -> 10 kHz
0 1 -> 20 kHz
1 0 -> 40 kHz
1 1 -> 200 kHz
Transmitter output power:
0 0 -> 0 dBm
0 1 -> 5 dBm
1 0 -> 10 dBm
1 1 -> 15 dBm
Source for the reference frequency:
0 -> on-chip crystal oscillator
1 -> external signal
Receiver wake-up type selection
0 -> “Boost” power up sequence
1 -> Standard power-up sequence
Pre-filtering
transmitter mode:
0 -> no filtering; 1 -> filtering
FEI mode:
0 -> FEI_Demodulator
1 -> FEI_Correlator
Rise
RTParam_Filter = 1:
0 -> 10 % of bit duration
1 -> 20 % of bit duration
Modulation switch:
0 -> modulation enabled;
1 -> modulation disabled
RSSI range:
0 -> low range; 1 -> high range
CLKOUT enable:
0 -> CLKOUT disabled
1 -> CLKOUT enabled (equal to
FXTAL divided by 4, 8, 16 or 32)
and
of
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bit
time
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when
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