XE1202AI027TRLF Semtech, XE1202AI027TRLF Datasheet - Page 19

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

5.2.3
5.2.4
© Semtech 2006
DataOut register
ADParam configuration register
Name
RTParam_Fsel = 0
RTParam_Fsel = 1
ADParam_Pattern
ADParam_Clkfreq
ADParam_Invert
ADParam_Psize
ADParam_Res1
DataOut_RSSI
ADParam_Ptol
ADParam_IQA
DataOut_FEI
DataOut_FEI
When
When
Name
Bits
7-6
7-0
5-4
Bits
7
6-5
4-3
2-1
0
7
6
Byte Address
00101
00101
Byte Address
00110
00110
00110
00110
00110
00111
00111
Table 14: DataOut register
00101
20
XE1202A TrueRF™
Description
RSSI output:
0 0 -> lowest level
0 1 -> 2
1 0 -> 3
1 1 -> highest level
FEI output:
Output of the up/down counter in
2’s-complement representation
MSB = bit 7
FEI output:
0 0 -> frequency OK
1 0 -> frequency too low
1 1 -> frequency too high
Description
Pattern recognition enable:
0 -> Disabled
1 -> Enabled
Size of reference pattern recognition
word:
0 0 -> 8 bits
0 1 -> 16 bits
1 0 -> 24 bits
1 1 -> 32 bits
Number of tolerated errors for the
pattern recognition:
0 0 -> 0 error
0 1 -> 1 error
1 0 -> 2 errors
1 1 -> 3 errors
Frequency of CLKOUT:
0 0 -> 1.22 MHz (div. ratio: 32)
0 1 -> 2.44 MHz (div. ratio: 16)
1 0 -> 4.87 MHz (div. ratio: 8)
1 1 -> 9.75 MHz (div. ratio: 4)
IQ amplifiers enable:
0 -> Disabled
1 -> Enabled
Reserved. Should be set to “0”
Inversion of the Rx output data:
0 -> non-inverted data
1 -> inverted data
nd
rd
level
level
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