XE1203SKC868XE2 Semtech, XE1203SKC868XE2 Datasheet - Page 25

• Manufacturer Part Number: XE1203SKC868XE2
• Description: KIT STARTER FOR XE1203 868MHZ
• Manufacturer: Semtech
• Series: TrueRF™r
• Type: Transceiver, ISMr

Specifications of XE1203SKC868XE2

• Frequency: 868MHz
• For Use With/related Products: XE1203 (868MHz)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

5.2.5
5.2.6
Status register which can be read through the 3-wire serial interface
Additional parameters
© Semtech 2008
SWParam_Freq_1 MSB (Byte
SWParam_Freq_2 MSB (Byte
DataOut_MSB_fei
DataOut_LSB_fei
DataOut_Rssi
Bit 7
RESERVED
ADParam_Psize
address 00111)
address 01010)
DataOut Status Register
ADParam Configuration Register
ADParam_Ptol
Name
00000000
00000000
00000000
11111111
11111111
Name
or
Bit 0
Bits
7-6
5-4
3-0
7-0
SWParam_Freq_1 LSB (Byte
SWParam_Freq_1 LSB (Byte
7-6
5-4
Bit
s
Address
Bit 7
Table 14: Examples of LO frequency settings
01100
01100
01100
01101
address 01000)
address 01011)
Addres
00000000
00000001
00000010
11111111
11111110
01110
01110
Table 15: DataOut Status Register
s
or
RSSI output:
RESERVED
Fei output (MSB)
Fei output (LSB)
Description
0 0 -> lowest level, ≤VTHR1
0 1 -> 2
1 0 -> 3
1 1 -> highest level, VTHR3<RSSI level
Ferror = (Br/8)*int(DataOut_MSB_fei & DataOut_LSB_fei)
Where int(x) = integer value of the binary representation of x
Bit 0
Description
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:
00 -> 0 error
01 -> 1 error
10 -> 2 errors
11 -> 3 errors
nd
rd
level, VTHR2<RSSI level≤VTHR3
level, VTHR1<RSSI level≤VTHR2
25
F0, where F0 depends on the selected frequency
band (see RTParam_Band )
F0 = 434.0 MHz for the 433-435 MHz band
F0 = 869.0 MHz for the 868-870 MHz band
F0 = 915.0 MHz for the 902-928 MHz band
F0 + 500 Hz
F0 + 2 * 500 Hz
F0 – 500 Hz
F0 – 2 * 500 Hz
Note: reference frequency = 39.0 MHz
Resulting LO setting
XE1203F
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