AK4141 Datasheet, PDF (5/96 Pages) Asahi Kasei Microsystems – NICAM/A2/EIA-J Digital Stereo Decoder

[AK4141]
ピン／機能
31
INT
O
Interrupt Pin
Outputs “L” when PDN Pin = “L”.
Decoder Standard Preference Control for 6.5MHz carrier.
32
A6M5
I
“L”: SECAM L NICAM
“H”: D/K1, D/K2, D/K3 or D/K NICAM
This Pin is internally ORed with A6M5 bit (default = “0”).
Master Mode Select Pin
33
MSN
I
“L”: Slave mode if CKS[2:0] bits = “000”(default)
“H”: Master mode of MCLK = 256fs if CKS2 bit = “0”(default)
34
CAD0
I
Chip Address 0 pin
Should match CAD0 bit in I2C first byte.
35
CAD1
I
Chip Address 1 pin
Should match CAD1 bit in I2C first byte.
PLL Loop Filter 1 Pin
36
FILT1
O
A 4.7nF capacitor should be connected to GND3 externally.
Hi-Z when PDN Pin = “L”.
ADC Voltage Reference High Pin
37
VREFH
O
A 0.1F capacitor should be connected to GND3, and another 0.1F capacitor
should be connected to VREFL Pin externally. Hi-Z when PDN Pin = “L”.
ADC Voltage Reference Low Pin
38
VREFL
O
A 0.1F capacitor should be connected to GND3 externally.
Hi-Z when PDN Pin = “L”.
39
GND3
- Ground Pin, 0V
40
SIF2
I Sound Intermediate Frequency(SIF) Input 2 Pin
ADC Common Voltage Output Pin.
41
VCOM
O
A 1F capacitor should be connected to GND3 externally. Hi-Z when PDN Pin =
“L”.
42
SIF1
I Sound Intermediate Frequency(SIF) Input 1 Pin
43
AVDD1
-
Analog Power Supply Pin, 3.0V~3.6V
44
GND4
- Ground Pin, 0V
45
XTI
I X'tal Input Pin
46
XTO
O
X'tal Output Pin.
Outputs “L” when PDN pin = “L”.
47
GND5
- Ground Pin, 0V
48
AVDD2
-
Analog Power Supply Pin, 3.0V~3.6V
Note: 全てのディジタル入力ピンはフローティングにしないでください。
MS0952-J-03
-5-
2013/12