RF64 datasheet(64/76 Pages) ETC2

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ADVANCED COMMUNICATIONS & SENSING

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RF64

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6.6. Transmitter Parameters - TXParam

The detailed description of the TXParam register is given in Table 31.

Table 31: TXParam Register Description

Name

Bits

Address (d)

Description

InterpFilt

7-4

r/w

Tx Interpolation filter cut off frequency:

fc  200kHz.

xtal MHz .

1Val(InterpFiltTx)

12.8MHz

(d): “0111” => fC = 200 kHz

Pout

3-1

r/w

Tx output powe

r (1 step ≈ 3 dB):

000 => 12.5 dBm

001 => 12.5 dBm -1 step (d)

010 => 12.5 dBm

– 2 steps

011 => 12.5 dBm

– 3 steps

100 => 12.5 dBm

– 4 steps

101 => 12.5 dBm

– 5 steps

110 => 12.5 dBm

– 6 steps

111 => 12.5 dBm

– 7 steps

TX_zero_if

r/w

Set the transmitter in zero-if architecture in tx mode

0 -> normal operation (d)

1-> zero-if operation (first if is set to zero and frequency deviation is not

used)

6.7. Oscillator Parameters - OSCParam

The detailed description of the OSCParam register is given in Table 32.

Table 32: OSCParam Register Description

Name

Bits

Address

(d)

Description

Clkout_on

r/w

Clkout control

0 => Disabled

1 => Enabled, Clk frequency set by Clkout_freq (d)

Clkout_freq

6-2

r/w

Frequency of the signal provided on CLKOUT:

fclkout  f xtal if Clkout_freq = “00000”

f xtal

fclkout 

otherwise

2 Clkout _ freq

(d): 01111 (= 427 kHz)

Res

1-0

r/w

Reserved

(d):

“00”

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