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AK4679EG Datasheet(PDF) 10 Page - Asahi Kasei Microsystems

Part # AK4679EG
Description  24bit Stereo CODEC with DSP and MIC/RCV/HP/SPK/LINE-AMP
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4679EG Datasheet(HTML) 10 Page - Asahi Kasei Microsystems

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[AK4679]
MS1402-E-06
2013/02
- 10 -
PIN/FUNCTION (Cont.)
No.
Pin Name
I/O
Function
Analog Output
ROUT
O
Rch Stereo Line Output Pin (LODIF bit = “0”: Stereo Line Output)
B6
LON
O
Negative Line Output Pin (LODIF bit = “1”: Full-differential Mono Output)
LOUT
O
Lch Stereo Line Output Pin (LODIF bit = “0”: Stereo Line Output)
B7
LOP
O
Positive Line Output Pin (LODIF bit = “1”: Full-differential Mono Output)
A4
RCP
O
Receiver-Amp Positive Output Pin
B4
RCN
O
Receiver-Amp Negative Output Pin
E8
HPL
O
Lch Headphone-Amp Output Pin
E9
HPR
O
Rch Headphone-Amp Output Pin
B1
SPP
O
Speaker-Amp Positive Output Pin
A2
SPN
O
Speaker-Amp Negative Output Pin
C1
SPFIL
O
Speaker-Amp Filter Pin
Connect 2.2nF between SPFIL pin and VSS1.
Control Interface for Audio Block
G6
SCLA
I
Control Data Clock Pin
H7
SDAA
I/O
Control Data Input Pin
G7
PDNA
I
Power-Down Mode Pin
“H”: Power-up, “L”: Power-down, reset and initializes the control register.
Note 1. All input pins except analog input pins (LIN1/IN1+, RIN1/IN1
−, LIN2/IN2-, RIN2/IN2+, LIN3/IN3+,
RIN3/IN3
−, LIN4, RIN4) must not be allowed to float.
I/O pins (LRCK, BICK and SDAA pins) should be processed appropriately.
NO
Pin Name
I/O
Function
DSP I/O
G1
VDDE
-
Core Power Supply Pin 1.2V
D1
TVDDE
-
I/O power Supply Pin 1.6
∼3.6V
F1
VSS4
-
Ground pin 0V
D7
PDNE
I
Power-Down Mode Pin
“H”: Power-up, “L”: Power-down, reset the control register.
The AK4679 DSP must be reset once upon power-up.
STO
Status Output Pin
(STRDY bit = “0”)
G3
RDY
O
Data Write Ready output pin for control I/F
(STRDY bit = “1”)
G5
SYNC1
I
Frame Sync 1 pin
F6
BCLK1
I
Serial Data Clock 1 Pin
AK4679 DSP goes into stanby state when BCLK1 is not present.
F5
SDIN1
I
Serial Data Input 1 Pin
H1
SDOUT1
O Serial Data Output 1 Pin
D6
SYNC2
O Frame Sync 1 pin
F2
BCLK2
O Serial Data Clock 2 Pin
D3
SDIN2
I
Serial Data Input 2 Pin
C4
SDOUT2
O Serial Data Output 2 Pin
SYNC3
Frame Sync 3 pin
(SELPT bit = “1”)
D5
JX1
I
Conditional Jump 1 Pin
(SELPT bit = “0”)
BCLK3
Serial Data Clock 3 Pin
(SELPT bit = “1”)
F3
JX0
I
Conditional Jump 0 Pin
(SELPT bit = “0”)
E3
SDIN3
I
Serial Data Input 3 Pin
SDOUT3
Serial Data Output 3 Pin
(SELDO3 bit = “0”)
F4
GP0
O
DSP Programmable output 0 Pin
(SELDO3 bit = “1”)
C3
SDIN4
I
Serial Data Input 4 Pin


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