RFM31 Datasheet, PDF (121/137 Pages) –

RFM31
Register 6Fh. TX Data Rate 0
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
txdr[7:0]
Type
R/W
Reset value = 00111101
Bit
Name
Function
Data Rate Lower Byte.
7:0
txdr[7:0]
See formula above. Defaults = 40 kbps.
Register 70h. Modulation Mode Control 1
Bit
Name
Type
D7
D6
Reserved
R
D5
Reserved
R/W
D4
enphpwdn
R/W
D3
manppol
R/W
D2
enmaninv
R/W
D1
enmanch
R/W
D0
enwhite
R/W
Reset value = 00001100
Bit
Name
Function
7:6
Reserved Reserved.
5
Reserved Reserved.
If set, the Packet Handler will be powered down when module is in low power
4
enphpwdn
mode.
Manchester Preamble Polarity (will transmit a series of 1 if set, or series of 0 if
reset).
3
manppol
This bit affects ONLY the transmitter side, not the receiver. This is valid ONLY if
Manchester Mode is enabled.
2
enmaninv Manchester Data Inversion is Enabled if this bit is set.
1
enmanch Manchester Coding is Enabled if this bit is set.
0
enwhite Data Whitening is Enabled if this bit is set.
121
Tel: [phone] Fax: [phone] E-mail: [e-mail] http://www.hoperf.com