BU8763FV Datasheet, PDF (5/12 Pages) Rohm – Melody LSI for Cellular Phone

Communications
!Circuit operation
Register map
< Data structure>
Address is upper 3bit in serial data, DATA is lower 8bit. (MSB first base)
Address
Data
D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
BU8763FV
Address
0
Operating
1
Mode
2
Frequency
3
Gain
Data
Initial
Data
Initial
Data
Initial
Data
Initial
D7
D6
D5
D4
D3
D2
WAVE1 WAVE2 WAVE3 TNSEL FSEL
on/off on/off on/off mode MOL/MF
−
D1
D0
−
SLEEP
0
0
0
0
0
0
0
1
WMODE[1:0] FLAVOR ENVON ENVM
WAVE GEN select wave on/off time
ATT123[2:0]
gain data
00
MLDY 0
DTMF 1
0
0
MLDY 1:001 2:100 3:000
DTMF 1:000 2:001 3:000
WFEQ[1:0]
WAVE GEN select
FREQ[5:0]
frequency data
00
MLDY 1:000000 2:000000 3:000000
DTMF 1:000000 2:000100 3:001000
−
−
−
−
VOLUME[3:0]
0
0
0
0
0000
4−7 Reserved
Address 0 : Wave generator select, MELODY / DTMF setting
Address Bit
0
D7
Name
WAVE1
D6
WAVE2
D5
WAVE3
D4
TNSEL
D3
FSEL
D2−D1
D0
Reserved
SLEEP
Initial
0
0
0
0
0
00
1
State
WAVE1 control
0: output off
1: output on
WAVE2 control
0: output off
1: output on
WAVE3 control
0: output off
1: output on
Output select MELODY, DTMF/TONE
0: MELODY select
1: DTMF/TONE select
Register select MELODY, DTMF/TONE
0: MELODY select
1: DTMF/TONE select
Power down control
0: operating mode
1: power down mode
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