AK4640_05 AKM [Asahi Kasei Microsystems], AK4640_05 Datasheet - Page 9
AK4640_05
Manufacturer Part Number
AK4640_05
Description
16-Bit ?? CODEC with MIC/HP/SPK-AMP
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet
1.AK4640_05.pdf
(78 pages)
- Current page: 9 of 78
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ASAHI KASEI
Note: All input pins except analog input pins (INT, EXT, AIN, MIN, AUXIN+, AUXIN−, BEEPM, BEEPL, and
The unused I/O pins should be processed appropriately as below.
Classification
Analog Input
Analog Output
Digital Input
Digital Output
MS0273-E-02
No. Pin Name
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Handling of Unused Pin
BEEPR) should not be left floating.
NC
DVDD
DVSS
XTO
XTI
MCKI
M/S
SPP
SPN
HVDD
HVSS
HPR
HPL
MUTET
MIN
MOUT2
NC
NC
MOUT−
MOUT+
AUXIN−
AUXIN+
BEEPM
BEEPR
BEEPL
AIN
NC
EXT, INT, MIN, AUXIN−, AUXIN+, BEEPM,
BEEPR, BEEPL, AIN
MICOUT, MPE, MPI, VCOC, SPP, SPN, HPR, HPL,
MUTET, MOUT2, MOUT−, MOUT+
CAD0, CSN, CCLK, CDTI, I2C, SDTI, LRCK
(when M/S pin = “L”), BICK (when M/S pin = “L”),
M/S
CDTO, SDTO, LRCK (when M/S pin = “H”), BICK
(when M/S pin = “H”), MCKO, XTO
Pin Name
I/O
O
O
O
O
O
O
O
O
O
-
-
-
I
I
I
-
-
I
-
-
I
I
I
I
I
I
-
No Connect.
Digital Power Supply Pin
Digital Ground Pin
X’tal Output Pin
X’tal Input Pin
External Master Clock Input Pin
Master / Slave Mode Pin
Speaker Amp Positive Output Pin
Speaker Amp Negative Output Pin
Headphone Amp Power Supply Pin
Headphone Amp Ground Pin
Rch Headphone Amp Output Pin
Lch Headphone Amp Output Pin
Mute Time Constant Control Pin
ALC2 Input Pin
Analog Mixing Output Pin
No Connect.
No Connect.
Mono Line Negative Output Pin
Mono Line Positive Output Pin
Mono AUX Negative Input Pin
Mono AUX Positive Input Pin
Mono Beep Signal Input Pin
Rch Stereo Beep Signal Input Pin
Lch Stereo Beep Signal Input Pin
Analog Input Pin
No Connect.
No internal bonding. This pin should be left floating.
“H” : Master Mode, “L” : Slave Mode
Connected to HVSS pin with a capacitor for mute time constant.
No internal bonding. This pin should be left floating.
No internal bonding. This pin should be left floating.
No internal bonding. This pin should be left floating.
- 9 -
Function
Setting
These pins should be open and each path
should be switched off.
These pins should be open.
These pins should be connected to DVSS.
These pins should be open.
[AK4640]
2005/04
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