RFM22 Datasheet, PDF (104/150 Pages) –

RFM22
Register 32h. Header Control 1
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
bcen[3:0]
hdch[3:0]
Type
R/w
R/w
Reset value = 00001100
Bit
7：4
3：0
Name
bcen[3:0]
hdch[3:0]
Function
Broadcast Address (FFh) Check Enable.
If it is enabled together with Header Byte Check then the header check is OK if
the incoming header byte equals with the appropriate check byte or FFh). One
hot encoding.
0000: No broadcast address enable.
0001: Broadcast address enable for header byte 0.
0010: Broadcast address enable for header byte 1.
0011: Broadcast address enable for header bytes 0 & 1.
0100: …
Received Header Bytes to be Checked Against the Check Header Bytes.
One hot encoding. The receiver will use hdch[2:0] to know the position of the
Header Bytes.
0000: No Received Header check
0001: Received Header check for byte 0.
0010: Received Header check for bytes 1.
0011: Received header check for bytes 0 & 1.
0100: …
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