Single-Chip Low Cost Low Power RF-Transceiver (Rev. B
Single-Chip Low Cost Low Power RF-Transceiver (Rev. B
Single-Chip Low Cost Low Power RF-Transceiver (Rev. B
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CC25000x13: MDMCFG1 – Modem ConfigurationBit Field Name Reset R/W Description7 FEC_EN 0 R/W Enable Forward Error Correction (FEC) with interleaving forpacket payload0 = Disable1 = Enable (Only supported for fixed packet length mode, i.e.PKTCTRL0.LENGTH_CONFIG=0)6:4 NUM_PREAMBLE[2:0] 2 (010) R/W Sets the minimum number of preamble bytes to be transmitted3:2 Reserved R0Setting0 (000) 21 (001) 32 (010) 43 (011) 64 (100) 85 (101) 126 (110) 167 (111) 24Number of preamble bytes1:0 CHANSPC_E[1:0] 2 (10) R/W 2 bit exponent of channel spacing0x14: MDMCFG0 – Modem ConfigurationBit Field Name Reset R/W Description7:0 CHANSPC_M[7:0] 248 (0xF8) R/W 8-bit mantissa of channel spacing. The channel spacing ismultiplied by the channel number CHAN and added to the basefrequency. It is unsigned and has the format:∆ fCHANNELf=2CHANSPC _ E( 256 + CHANSPC _ M ) ⋅XOSC⋅218The default values give 199.951 kHz channel spacing (the closestsetting to 200 kHz), assuming 26.0 MHz crystal frequency.SWRS040B Page 69 of 92
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