AK4537 Datasheet, PDF (5/76 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP

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