Datasheet

RDA Microelectronics, Inc. RDA5807M FM Tuner V1.1
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 22
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 = High impedance; 1 = Normal operation
0
14 DMUTE
Mute Disable.
0 = Mute; 1 = Normal operation
0
13 MONO
Mono Select.
0 = Stereo; 1 = Force mono
0
12 BASS
Bass Boost.
0 = Disabled; 1 = Bass boost enabled
0
11 RCLK NON-CALIBRATE
MODE
0=RCLK clock is always supply
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)
0
10 RCLK DIRECT INPUT MODE
1=RCLK clock use the directly input mode
0
9 SEEKUP
Seek Up.
0 = Seek down; 1 = Seek up
0
8 SEEK
Seek.
0 = Disable stop seek; 1 = Enable
Seek begins i
n 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.
0
7 SKMODE Seek Mode
0 = wrap at the upper or lower band limit and
continue seeking
1 = stop seeking at the upper or lower band
limit
0
6:4 CLK_MODE[2:0] 000=32.768kHz
001=12Mhz
101=24Mhz
010=13Mhz
110=26Mhz
011=19.2Mhz
111=38.4Mhz
000
3 RDS_EN RDS/RBDS enable
If 1, rds/rbds enable
0
2 NEW_METHOD New Demodulate Method Enable, can improve
the receive sensitivity about 1dB.
0
1 SOFT_RESET Soft reset.
If 0, not reset;
If 1, reset.
0