参数资料
型号: YMU757B-QZ
元件分类: 音频合成
英文描述: TONE/MUSIC SYNTHESIZER, PQCC20
封装: LEAD FREE, QFN-20
文件页数: 41/43页
文件大小: 990K
代理商: YMU757B-QZ
YMU757B
-7-
Block diagram
Concerning AIN signal inputted into equalizer circuit
As this design presupposes the use of this LSI for the "hands-free", it is possible to process the FM sound and call sound by
analog mixing in the equalizer circuit and output the resulting sound through the speaker.
SYNC
SDIN
SCLK
CLK_I
/RST
/IRQ
EQ1
VREF
Serial
I/F
DVDD
D
V
SS
FMVOL
32step
P
ower
down
Con
trol
Register
FM
Synthesizer
4Sound signals generated
simultaneously
DAC
AMP
AVDD
A
V
SS
Timing Generator
HP
OU
HPVOL
32step
FIFO
16b x 32w
EQ2
EQ3
SPOUT
VREF
CR
cir
c
u
it
EQ
SPVSS
SPVOL
32step
AIN
*
Se
qu
en
ce
r
+
-
VREF
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