RM0453 Rev 1 183/1461
RM0453 Sub-GHz radio (SUBGHZ)
218
Set_RfFrequency() command
Set_RfFrequency(RfFreq) is used to lock the RF-PLL frequency to the transmit and
receive frequency.
Set_TxParams() command
Set_TxParams(Power, RampTime) is used to set the transmit output power and the PA
ramp-up time.
01234
Opcode RfFreq[31:0]
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byte 0 bits 7:0 Opcode: 0x86
bytes 4:1 bits 31:0 RfFreq[31:0]: RF frequency
RF-PLL frequency = 32e
6
x RFfreq / 2
25
Note: The RF-PLL frequency formula is the same for RF-PLL high-resolution
mode and RF-PLL low-resolution mode. In RF-PLL low-resolution mode,
the RF-PLL frequency is set to the nearest low-resolution integer value.
012
Opcode Power[7:0] RampTime[7:0]
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