ak4642e AKM Semiconductor, Inc., ak4642e Datasheet - Page 7

• Manufacturer Part Number: ak4642e
• Description: Stereo Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Note 1. All input pins except analog input pins (MIN, LIN1, RIN1, LIN2, RIN2) should not be left floating.
Note 2. AVDD or AVSS voltage should be input to I2C pin.
MS0420-E-00
No. Pin Name
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
MPWR
VCOM
AVSS
AVDD
VCOC
I2C
PDN
CSN
CAD0
CCLK
SCL
CDTI
SDA
SDTI
SDTO
LRCK
BICK
DVDD
DVSS
MCKI
MCKO
SPN
SPP
HVDD
HVSS
HPR
HPL
MUTET
ROUT
LOUT
MIN
RIN2
IN2−
LIN2
IN2+
LIN1
IN1−
RIN1
IN1+
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
-
-
I
I
I
I
I
I
I
I
-
-
I
-
-
I
I
I
I
I
I
I
I
I
MIC Power Supply Pin
Common Voltage Output Pin, 0.45 x AVDD
Analog Ground Pin
Analog Power Supply Pin
Output Pin for Loop Filter of PLL Circuit
Control Mode Select Pin
Power-Down Mode Pin
Chip Select Pin (I2C pin = “L”)
Chip Address 1 Select Pin (I2C pin = “H”)
Control Data Clock Pin (I2C pin = “L”)
Control Data Clock Pin (I2C pin = “H”)
Control Data Input Pin (I2C pin = “L”)
Control Data Input Pin (I2C pin = “H”)
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Input / Output Channel Clock Pin
Audio Serial Data Clock Pin
Digital Power Supply Pin
Digital Ground Pin
External Master Clock Input Pin
Master Clock Output Pin
Speaker Amp Negative Output Pin
Speaker Amp Positive Output Pin
Headphone & Speaker Amp Power Supply Pin
Headphone & Speaker Amp Ground Pin
Rch Headphone-Amp Output Pin
Lch Headphone-Amp Output Pin
Mute Time Constant Control Pin
Rch Stereo Line Output Pin
Lch Stereo Line Output Pin
Mono Signal Input Pin
Rch Analog Input 2 Pin
Microphone Negative Input 2 Pin
Lch Analog Input 2 Pin
Microphone Positive Input 2 Pin
Lch Analog Input 1 Pin
Microphone Negative Input 1 Pin
Rch Analog Input 1 Pin
Microphone Positive Input 1 Pin
Connected to HVSS pin with a capacitor for mute time constant.
Bias voltage of ADC inputs and DAC outputs.
This pin should be connected to AVSS with one resistor and capacitor in series.
“H”: I
“H”: Power-up, “L”: Power-down, reset and initializes the control register.
2
C Bus, “L”: 3-wire Serial
PIN/FUNCTION
- 7 -
Function
(MDIF2 bit = “0”)
(MDIF2 bit = “1”)
(MDIF2 bit = “0”)
(MDIF2 bit = “1”)
(MDIF1 bit = “0”)
(MDIF1 bit = “1”)
(MDIF1 bit = “0”)
(MDIF1 bit = “1”)
[AK4642EN]
2005/09