RF42/43
Register 08h. Operating Mode and Function Control 2
Bit
D7
D6
D5
D4
D3
autotx
R/w
D2
D1
D0
ffclrtx
R/w
Reserved
R/w
Reserved
R/w R/w
Name
Type
Reset value = 00000000
Bit
Name
Function
7：4
Reserved
Reserved.
Automatic Transmission.
When autotx = 1 the transceiver will enter automatically TX State when the
3
autotx
FIFO is almost full. When the FIFO is empty it will automatically return to the
Idle State.
2：1
Reserved
ffclrtx
Reserved.
TX FIFO Reset/Clear.
0
This has to be a two writes operation: Setting ffclrtx =1 followed by ffclrtx = 0
will clear the contents of the TX FIFO.
Register 09h. 30 MHz Crystal Oscillator Load Capacitance
Bit
D7
xtalshft
R/w
D6
D5
D4
D3
xlc[6:0]
R/w
D2
D1
D0
Name
Type
Reset value = 01111111
Bit
7
Name
xtalshft
xlc[6:0]
Function
Additional capacitance to course shift the frequency if xlc[6:0] is not sufficient.
Not binary
with xlc[6:0].
6:0
Tuning Capacitance for the 30 MHz XTAL.
64
Tel: +86-755-82973805
Fax: +86-755-82973550
E-mail: sales@hoperf.com
http://www.hoperf.com
HOPERF [ HOPERF ]
