ak4537 AKM Semiconductor, Inc., ak4537 Datasheet - Page 5

• Manufacturer Part Number: ak4537
• Description: 16-bit 6 Stereo Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0202-E-04
No. Pin Name
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
2
3
4
5
6
7
8
9
MICOUTL
MICOUTR
EXT
MICR
MPE
MPI
EXT
MICR
VCOM
AVSS
AVDD
PVDD
PVSS
VCOC
NC
CAD0
PDN
CSN
CAD1
CCLK
SCL
CDTI
SDA
CDTO
I2C
SDTI
SDTO
LRCK
BICK
MCKO
NC
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
I
I
I
I
-
-
-
-
-
I
I
I
I
I
I
I
I
I
-
MIC-Amp Lch Output Pin
MIC-Amp Rch Output Pin
External Microphone Input Pin (Mono Input)
Stereo Microphone Rch Input Pin
MIC Power Supply Pin for External Microphone / Stereo Microphone Rch
MIC Power Supply Pin for Internal Microphone / Stereo Microphone Lch
Internal Microphone Input Pin (Mono Input)
Stereo Microphone Lch Input Pin
Common Voltage Output Pin, 0.45 x AVDD
Analog Ground Pin
Analog Power Supply Pin
PLL Power Supply Pin
PLL Ground Pin
Output Pin for Loop Filter of PLL Circuit
No Connect.
Chip Address 0 Select Pin
Power-Down Mode Pin
Chip Select Pin (I2C = “L”)
Chip Address 1 Select Pin (I2C = “H”)
Control Data Clock Pin (I2C = “L”)
Control Data Clock Pin (I2C = “H”)
Control Data Input Pin (I2C = “L”)
Control Data Input Pin (I2C = “H”)
Control Data Output Pin (I2C = “L”)
Control Mode Select Pin
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Input / Output Channel Clock Pin
Audio Serial Data Clock Pin
Master Clock Output Pin
No Connect.
Bias voltage of ADC inputs and DAC outputs.
This pin should be connected to PVSS with one resistor and capacitor in series.
This pin should be left floating.
“H”: Power up, “L”: Power down reset and initializes the control register.
“H”: I
This pin should be left floating.
2
C Bus, “L”: 4-wire Serial
PIN/FUNCTION
- 5 -
Function
(PMMICL bit = “0”)
(PMMICR bit = “0”)
(PMMICR bit = “1”)
(PMMICL bit = “1”)
[AK4537]
2005/04