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SI4784 Datasheet(PDF) 73 Page - Silicon Laboratories |
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SI4784 Datasheet(HTML) 73 Page - Silicon Laboratories |
73 / 302 page AN332 Rev. 1.0 73 Command 0x22. FM_TUNE_STATUS Returns the status of FM_TUNE_FREQ or FM_SEEK_START commands. The command returns the current frequency, RSSI, SNR, multipath, and the antenna tuning capacitance value (0-191). The command clears the STCINT interrupt bit when INTACK bit of ARG1 is set. The CTS bit (and optional interrupt) is set when it is safe to send the next command. This command may only be sent when in powerup mode. Available in: All Command arguments: One Response bytes: Seven Command Response Bit D7D6D5 D4D3D2 D1D0 CMD 001 000 10 ARG1 000 000 CANCEL INTACK ARG Bit Name Function 1 7:2 Reserved Always write to 0. 11 CANCEL Cancel seek. If set, aborts a seek currently in progress. 10 INTACK Seek/Tune Interrupt Clear. If set, clears the seek/tune complete interrupt status indicator. Bit D7 D6D5 D4D3D2D1D0 STATUS CTS ERR X X RSQINT RDSINT X STCINT RESP1 BLTF XXXX X AFCRL VALID RESP2 READFREQH[7:0] RESP3 READFREQL[7:0] RESP4 RSSI[7:0] RESP5 SNR[7:0] RESP6 MULT[7:0] RESP7 READANTCAP[7:0] (Si4704/05/06/2x only) |
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