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CC2400-RTR1 数据表(PDF) 73 Page - Texas Instruments |
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CC2400-RTR1 数据表(HTML) 73 Page - Texas Instruments |
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73 / 84 page ![]() CC2400 SWRS042A Page 73 of 83 Bit Field Name Reset R/W Description 3:2 DATA_FORMAT[1:0] 0 R/W Selects line-coding format used during RX and TX operations. 00: NRZ 01: Manchester 10: 8/10 line-coding (Not applied to preambles or sync words) 11: Reserved 1 MODULATION_FORMAT 0 R/W Modulation format of modem: 0: FSK/GFSK 1: Reserved 0 TX_GAUSSIAN_FILTER 1 R/W When this bit is set the data sent in TX is Gaussian filtered before transmission enabling GFSK GRDEC (0x21) - Generic Radio Decimation Control and Status Bit Field Name Reset R/W Description 15:13 - 0 W0 Reserved, write as 0. 12 IND_SATURATION - R Signal indicates whether the accumulate-and-dump decimation filters have saturated at some point since the last read. If saturation occurs the DEC_SHIFT can be adjusted. The status flag is cleared when reading the GRDEC register. 11:10 DEC_SHIFT[1:0] 0 R/W Controls extra shifts in decimation, for extra precision. Decimation shift value: 2: -2 3: -1 0: 0 1: 1 9:8 CHANNEL_DEC[1:0] 0 R/W Selects channel filter bandwidth. 00: 1 MHz (used for 1Mbps and 250 kbps datarates) 01: 500 kHz (used for 10 kbps data rate) 01: 250 kHz 11: 125 kHz 7:0 DEC_VAL[7:0] 0 R/W In combination with CHANNEL_DEC[1:0], DEC_VAL[7:0] is used to program the data rate. See page 40 for a description. PKTSTATUS (0x22) - Packet Mode Status Bit Field Name Reset R/W Description 15:11 - 0 W0 Reserved, write as 0. 10 SYNC_WORD_RECEIVED 0 R Indicates that the currently configured sync word has been received since RX was turned on. 9 CRC_OK - R Indicates that the two next bytes available to be read from the FIFO equal the CRC16 calculated over the bytes already read from the FIFO. 8 - 0 R Reserved for future use. 7:0 - - R Reserved for future use. |
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