XR18W753 Datasheet, PDF (17/27 Pages) Exar Corporation – SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER

REV. 1.0.0
3.2 DETAILED REGISTERS DESCRIPTIONS
XR18W753
SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER
ADDRESS
REGISTER NAME
DESCRIPTION
TYPE
0x21
TX_POWER
Transmit output power during normal operation.
R/W
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
0x22 - 0x26 Reserved
-
-
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