Datasheet RDA5807M (RDA Microelectronics) - 9

RDA Microelectronics, Inc. RDA5807M FM Tuner V1.0
6 Register Definition
REG BITS NAME FUNCTION DEFAULT
00H 15:8 CHIPID[7:0] Chip ID.
0x58
02H 15 DHIZ Audio Output High-Z Disable.
0
0 = High impedance; 1 = Normal operation 14 DMUTE Mute Disable.
0
0 = Mute; 1 = Normal operation 13 MONO Mono Select.
0
0 = Stereo; 1 = Force mono 12 BASS Bass Boost.
0
0 = Disabled; 1 = Bass boost enabled 11 RCLK NON-CALIBRATE 0=RCLK clock is always supply
0
MODE 1=RCLK clock is not always supply when FM work ( when 1, RDA5807M can’t directly support -20
℃
~70
℃
temperature. Only suppory ±20
℃
temperature swing from tune point) 10 RCLK DIRECT INPUT MODE 1=RCLK clock use the directly input mode
0
9 SEEKUP Seek Up.
0
0 = Seek down; 1 = Seek up 8 SEEK Seek.
0
0 = Disable stop seek; 1 = Enable Seek begins in the direction specified by SEEKUP and ends when a channel is found, or the entire band has been searched. The SEEK bit is set low and the STC bit is set high when the seek operation completes. 7 SKMODE Seek Mode
0
0 = wrap at the upper or lower band limit and continue seeking 1 = stop seeking at the upper or lower band limit 6:4 CLK_MODE[2:0] 000=32.768kHz
000
001=12Mhz 101=24Mhz 010=13Mhz 110=26Mhz 011=19.2Mhz 111=38.4Mhz 3 RDS_EN RDS/RBDS enable
0
If 1, rds/rbds enable 2 NEW_METHOD New Demodulate Method Enable, can improve
0
the receive sensitivity about 1dB. 1 SOFT_RESET Soft reset.
0
If 0, not reset; If 1, 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 9 of 23