XR18W753 Datasheet, PDF (9/27 Pages) Exar Corporation – SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER

XR18W753
REV. 1.0.0
SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER
2.6.1.1
I²C-bus Addressing
The RF transceiver acts as an I²C slave. Four LSBs of I2C are mapped to external pins to support multiple
chips in one application. There are eight possible slave addresses that can be selected for the XR18W753
using the A3, A2, A1 and A0 address lines. The table below shows the different addresses that can be
selected. Note that A3 is always connected to GND.
A3
A2
A1
A0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
I²C ADDRESS
0x60 (0110 000X)
0x62 (0110 001X)
0x64 (0110 010X)
0x66 (0110 011X)
0x68 (0110 100X)
0x6A (0110 101X)
0x6C (0110 110X)
0x6E (0110 111X)
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