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XR18W753IL48-F

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27
XR18W753
16
SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER REV. 1.0.0
0x20 CHANNEL b[4:0] = 00000 --> 868.3 MHz
b[4:0] = 00001 --> 903 MHz
b[4:0] = 00010 --> 904 MHz
b[4:0] = 00011 --> 905 MHz
b[4:0] = 00100 --> 906MHz
b[4:0] = 00101 --> 907MHz
b[4:0] = 00110 --> 908 MHz
b[4:0] = 00111 --> 909 MHz
b[4:0] = 01000 --> 910 MHz
b[4:0] = 01001 --> 911 MHz
b[4:0] = 01010 --> 912 MHz
b[4:0] = 01011 --> 913 MHz
b[4:0] = 01100 --> 914 MHz
b[4:0] = 01101 --> 915 MHz
b[4:0] = 01110 --> 916 MHz
b[4:0] = 01111 --> 917 MHz
b[4:0] = 10000 --> 918 MHz
b[4:0] = 10001 --> 919 MHz
b[4:0] = 10010 --> 920 MHz
b[4:0] = 10011 --> 921 MHz
b[4:0] = 10100 --> 922 MHz
b[4:0] = 10101 --> 923 MHz
b[4:0] = 10110 --> 924 MHz
b[4:0] = 10111 --> 925 MHz
b[4:0] = 11000 --> 926 MHz
b[4:0] = 11001 --> 927 MHz
b[4:0] = 11010 --> 951 MHz
b[4:0] = 11011 --> 952 MHz
b[4:0] = 11100 --> 953 MHz
b[4:0] = 11101 --> 954 MHz
b[4:0] = 11110 --> 955 MHz
b[7:5] not used
Via this register, the channel frequency can be selected.
R/W
3.2 DETAILED REGISTERS DESCRIPTIONS
ADDRESS REGISTER NAME DESCRIPTION TYPE
XR18W753
17
REV. 1.0.0 SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER
0x21 TX_POWER Transmit output power during normal operation.
b[5:0] = 0xxxxx --> TX Power = 0 dBm
b[5:0] = 111111 --> TX Power = 0 dBm
b[5:0] = 111110--> TX Power = 0 dBm
b[5:0] = 111101 --> TX Power = 0dBm
b[5:0] = 111100 --> TX Power = -3 dBm
b[5:0] = 111011--> TX Power = -3 dBm
b[5:0] = 111010 --> TX Power = -3 dBm
b[5:0] = 111001 --> TX Power = -6 dBm
b[5:0] = 111000--> TX Power = -6 dBm
b[5:0] = 110111 --> TX Power = -6 dBm
b[5:0] = 110110 --> TX Power = -9 dBm
b[5:0] = 110101--> TX Power = -9 dBm
b[5:0] = 110110 --> TX Power = -9 dBm
b[5:0] = 110011 --> TX Power = -12 dBm
b[5:0] = 110010--> TX Power = -12 dBm
b[5:0] = 110001 --> TX Power = -12 dBm
b[5:0] = 110000 --> TX Power = -15 dBm
b[5:0] = 101111--> TX Power = -15 dBm
b[5:0] = 101110 --> TX Power = -15 dBm
b[5:0] = 101101 --> TX Power = -18 dBm
b[5:0] = 101100--> TX Power = -18 dBm
b[5:0] = 101011 --> TX Power = -18 dBm
b[5:0] = 101010 --> TX Power = -21 dBm
b[5:0] = 101001--> TX Power = -21 dBm
b[5:0] = 101000 --> TX Power = -21 dBm
b[5:0] = 100xxx --> TX Power = -24 dBm
b[7:6] not used
Note: x indicates don’t care
R/W
0x22 - 0x26 Reserved - -
3.2 DETAILED REGISTERS DESCRIPTIONS
ADDRESS REGISTER NAME DESCRIPTION TYPE
XR18W753
18
SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER REV. 1.0.0
0x27 AGC_ACT_VALUE AGC setting instantaneous value
b[3:0] = 0000 --> IF-AGC set to 0dB
b[3:0] = 0001 --> IF-AGC set to -6dB
b[3:0] = 0010 --> IF-AGC set to -12dB
b[3:0] = 0011 --> IF-AGC set to -18dB
b[3:0] = 0100 --> IF-AGC set to -24dB
b[3:0] = 0101 --> IF-AGC set to -30dB
b[3:0] = 0110 --> IF-AGC set to -36dB
b[3:0] = 0111 --> IF-AGC set to -42dB
b[3:0] = 1000 --> IF-AGC set to -48dB
b[3:0] = 1001 --> not used
b[3:0] = 1010 --> not used
b[3:0] = 1011 --> not used
b[3:0] = 1100 --> not used
b[3:0] = 1101 --> not used
b[3:0] = 1110 --> not used
b[3:0] = 1111 --> not used
b[7:4] not used
R
0x28 Reserved - -
0x29 SLICER_LEVEL Frequency offset in a link can be read out via this register. The
value is interpreted as an 8-bit two’s complement value (-128 to
+127). The conversion from this value to frequency is given below.
For 902 - 928 MHz application, the frequency offset is:
f
offset
= 1MHz x SLICER_LEVEL / 128
For 868 MHz application, the frequency offset is:
f
offset
= 400 kHz x SLICER_LEVEL / 128
R
0x2A-0x2D Reserved - -
0x2E ED_THRES Energy detection threshold
In IEE802.15.4 specification, it has been defined how the result of
the ED measurement given in MODEM_ED (0x15) need to be
reported. The value of ED_THRES is used to align the receiver
with the IEE802.15.4 ED measurement specification.
R/W
0x2F - 0x30 RSSI_ACT_VALUE_0,1 Actual RSSI value_0, 1
The instantaneous level to the digital demodulator can be read via
these two registers. The value is interpreted as a two’s comple-
ment number. Together with the information of AGC_ACT_VALUE
(0x27), the instantaneous RF level can be calculated.
R
0x31-0x4F Reserved - -
0x50 TEST_0 This register is used for factory test modes. For normal operation,
initialize this register to 0xD1.
R/W
3.2 DETAILED REGISTERS DESCRIPTIONS
ADDRESS REGISTER NAME DESCRIPTION TYPE
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27

XR18W753IL48-F

Mfr. #:
Buy XR18W753IL48-F
Manufacturer:
MaxLinear
Description:
RF Receiver UART
Lifecycle:
New from this manufacturer.
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