AK4640_05 Datasheet, PDF (7/78 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4640]
No. Pin Name
I/O
Function
J9 NC
-
No Connect.
No internal bonding. This pin should be left floating.
J8 DVSS
- Digital Ground Pin
G8 XTO
O X’tal Output Pin
H9
XTI
MCKI
I X’tal Input Pin
I External Master Clock Input Pin
G9 M/S
I
Master / Slave Mode Pin
“H” : Master Mode, “L” : Slave Mode
F8 SPP
O Speaker Amp Positive Output Pin
F9 SPP
O Speaker Amp Positive Output Pin
E8 SPN
O Speaker Amp Negative Output Pin
E9 SPN
O Speaker Amp Negative Output Pin
D8 HVDD
- Headphone/Speaker Amp Power Supply Pin
D9 HVDD
- Headphone/Speaker Amp Power Supply Pin
C8 HVSS
- Headphone/Speaker Amp Ground Pin
C9 HVSS
- Headphone/Speaker Amp Ground Pin
B9 HPR
O Rch Headphone Amp Output Pin
A9 NC
-
No Connect.
No internal bonding. This pin should be left floating.
A8 HPL
O Lch Headphone Amp Output Pin
B8 MUTET
O
Mute Time Constant Control Pin
Connected to HVSS pin with a capacitor for mute time constant.
B7 NC
-
No Connect.
No internal bonding. This pin should be left floating.
A7 MIN
I ALC2 Input Pin
A6 MOUT2
O Analog Mixing Output Pin
B6 MOUT−
O Mono Line Negative Output Pin
A5 MOUT+
O Mono Line Positive Output Pin
B5 AUXIN−
I Mono AUX Negative Input Pin
B4 AUXIN+
I Mono AUX Positive Input Pin
A4 BEEPM
I Mono Beep Signal Input Pin
B3 BEEPR
I Rch Stereo Beep Signal Input Pin
A3 BEEPL
I Lch Stereo Beep Signal Input Pin
B2 AIN
I Analog Input Pin
A2 MICOUT
O Microphone Analog Output Pin
C3 NC
-
No Connect.
No internal bonding. This pin should be left floating.
Note: All input pins except analog input pins (INT, EXT, AIN, MIN, AUXIN+, AUXIN−, BEEPM, BEEPL, and
BEEPR) should not be left floating.
„ Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
Classification Pin Name
Analog Input
EXT, INT, MIN, AUXIN−, AUXIN+, BEEPM,
BEEPR, BEEPL, AIN
Analog Output
MICOUT, MPE, MPI, VCOC, SPP, SPN, HPR, HPL,
MUTET, MOUT2, MOUT−, MOUT+
CAD0, CSN, CCLK, CDTI, I2C, SDTI, LRCK
Digital Input (when M/S pin = “L”), BICK (when M/S pin = “L”),
M/S
Digital Output
CDTO, SDTO, LRCK (when M/S pin = “H”), BICK
(when M/S pin = “H”), MCKO, XTO
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.
MS0273-E-02
-7-
2005/04