si4430 Silicon Laboratories, si4430 Datasheet - Page 141

• Manufacturer Part Number: si4430
• Description: Si4430 Ism Transceiver
• Manufacturer: Silicon Laboratories

Register 6Fh. TX Data Rate 0
Register 70h. Modulation Mode Control 1
Reset value = 00111101
Reset value = 00001100
Name
Name
Type
Type
Bit
Bit
7:0
7:6
Bit
Bit
5
4
3
2
1
0
enphpwdn
txdtrtscale
Reserved
enmaninv
enmanch
manppol
txdr[7:0]
enwhite
Name
Name
D7
D7
Reserved
R
Data Rate Lower Byte.
See formula above. Defaults = 40 kbps.
Reserved.
This bit should be set for Data Rates below 30 kbps.
If set, the Packet Handler will be powered down when chip is in low power mode.
Manchester Preamble Polarity (will transmit a series of 1 if set, or series of 0 if
reset).
This bit affects ONLY the transmitter side, not the receiver. This is valid ONLY if Man-
chester Mode is enabled.
Manchester Data Inversion is Enabled if this bit is set.
Manchester Coding is Enabled if this bit is set.
Data Whitening is Enabled if this bit is set.
D6
D6
txdtrtscale
R/W
D5
D5
Preliminary Rev. 0.4
enphpwdn
R/W
D4
D4
txdr[7:0]
R/W
manppol
Function
Function
R/W
D3
D3
enmaninv
R/W
D2
D2
enmanch
R/W
D1
D1
Si4430
enwhite
R/W
D0
D0
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