參數(shù)資料
型號: CXD2721Q-1
廠商: Sony Corporation
元件分類: 數(shù)字信號處理
英文描述: Single-Chip Digital Signal Processor for Karaoke
中文描述: 單芯片數(shù)字信號處理器的卡拉OK
文件頁數(shù): 3/70頁
文件大?。?/td> 941K
代理商: CXD2721Q-1
– 3 –
CXD2721Q-1
Pin Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
XLAT
NC
NC
RVDT
NC
AVD0
AVS0
XRST
X768
V
SS
0
V
DD
1
V
SS
1
XWO
BFOT
BSL2
BSL1
V
SS
2
V
DD
1
AVS3
AIN3
LO3
AVD3
AVD2
AIN2
LO2
AVS2
NC
NC
AOUT2
AVS5
NC
AVD5
AO2N
AO2P
AVD6
I
I
I
I
I
O
I
I
I
O
I
O
O
O
O
Latch input for microcomputer interface.
Open or fixed to Low.
Open or fixed to Low.
Data input for microcomputer interface.
Open or fixed to Low.
Digital power supply for built-in DRAM.
Digital GND for built-in DRAM.
System reset input. Reset when Low.
Test input pin. Normally fixed to Low.
Digital GND.
Digital power supply.
Digital GND.
Normally fixed to High.
Clock, frequency divider output. (384/768/256/512fs)
BFOT output clock frequency division ratio setting.
BFOT output clock frequency division ratio setting.
Digital GND.
Digital power supply.
CH3 AD converter GND.
CH3 AD converter analog input. (for microphone input)
CH3 AD converter LPF operational amplifier inverted output. (for microphone input)
CH3 AD converter power supply.
CH2 AD converter power supply.
CH2 AD converter analog input.
CH2 AD converter LPF operational amplifier inverted output.
CH2 AD converter GND.
Open or fixed to Low.
Open or fixed to Low.
CH2 DA converter LPF output.
CH2 DA converter GND.
Open or fixed to Low.
CH2 DA converter power supply.
CH2 DA converter analog reversed phase output. (PWM)
CH2 DA converter analog forward phase output. (PWM)
Analog power supply for master clock.
Pin
No.
Symbol
I/O
Description
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