RDA Microelectronics, Inc. RDA5807MP FM Tuner V1.0 6Register Definition REG BITS NAME FUNCTION DEFAULT 00H15:0CHIPID[7:0]Chip ID. 0x5804 02H15DHIZAudio Output High-Z Disable. 0 0 = High impedance; 1 = Normal operation14DMUTEMute Disable. 0 0 = Mute; 1 = Normal operation13MONOMono Select. 0 0 = Stereo; 1 = Force mono12BASSBass Boost. 0 0 = Disabled; 1 = Bass boost enabled11RCLKNON-CALIBRATE0=RCLK clock is always supply0MODE1=RCLK clock is not always supply when FMwork ( when 1, RDA5807MP can’t directlysupport -20 ℃ ~70 ℃ temperature. Onlysuppory ±20 ℃ tem p eratu re sw in g from tunepoint)10RCLK DIRECT INPUT MODE1=RCLK clock use the directly input mode 0 9SEEKUPSeek Up. 0 0 = Seek down; 1 = Seek up8SEEKSeek. 0 0 = Disable stop seek; 1 = EnableSeek begins in the direction specified bySEEKUP and ends when a channel is found,or the entire band has been searched.TheSEEK bit is set low and theSTC bit is sethigh when the seek operation completes.7SKMODESeek Mode 0 0 = wrap at the upper or lower band limit andcontinue seeking1 = stop seeking at the upper or lower bandlimit6:4CLK_MODE[2:0]000=32.768kHz 000 001=12Mhz101=24Mhz010=13Mhz110=26Mhz011=19.2Mhz111=38.4Mhz3RDS_ENRDS/RBDS enable0If 1, rds/rbds enable2NEW_METHODNew Demodulate Method Enable, can improve0the receive sensitivity about 1dB.1SOFT_RESETSoft reset. 0 If 0, not reset; The information contained herein is the exclusive property of RDA and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of RDA. Page 8 of 21 Document Outline General Description Features Applications Table of Contents Functional Description FM Receiver Synthesizer Power Supply RESET and Control Interface select Control Interface Electrical Characteristics Receiver Characteristics Serial Interface I2C Interface Timing Register Definition Pins Description Application Diagram Audio Loading Resistance Larger than 32Ω & Reference Clock Application: Bill of Materials: Audio Loading Resistance Larger than 32Ω & DCXO Application: Bill of Materials: Physical Dimension PCB Land Pattern Change List Contact Information