Datasheet RDA5807M (RDA Microelectronics) - 10

RDA Microelectronics, Inc. RDA5807M FM Tuner V1.0 REG BITS NAME FUNCTION DEFAULT
0 ENABLE Power Up Enable.
0
0 = Disabled; 1 = Enabled 03H 15:6 CHAN[9:0] Channel Select.
0x00
BAND = 0 Frequency = Channel Spacing (kHz) x CHAN+ 87.0 MHz BAND = 1or 2 Frequency = Channel Spacing (kHz) x CHAN + 76.0 MHz BAND = 3 Frequency = Channel Spacing (kHz) x CHAN + 65.0 MHz CHAN is updated after a seek operation. 5 DIRECT MODE Directly Control Mode, Only used when test.
0
4 TUNE Tune
0
0 = Disable 1 = Enable The tune operation begins when the TUNE bit is set high. The STC bit is set high when the tune operation completes. The tune bit is reset to low automatically when the tune operation completes.. 3:2 BAND[1:0] Band Select.
00
00 = 87–108 MHz (US/Europe) 01 = 76–91 MHz (Japan) 10 = 76–108 MHz (world wide) 111 = 65 –76 MHz
（
East Europe
）
or 50-65MHz 1:0 SPACE[1:0] Channel Spacing.
00
00 = 100 kHz 01 = 200 kHz 10 = 50kHz 11 = 25KHz 04H 15 RSVD Reserved
0
13:12 RSVD Reserved
00
11 DE De-emphasis.
0
0 = 75 µs; 1 = 50 µs 10 RSVD Reserved 9 SOFTMUTE_EN If 1, softmute enable
1
8 AFCD AFC disable.
0
If 0, afc work; If 1, afc disabled. 05H 15 INT _MODE If 0, generate 5ms interrupt;
1
If 1, interrupt last until read reg0CH action occurs.
1 If 0x07h_bit<9> ( band )=1, 65-76MHz; =0, 50-76MHz 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 10 of 23