AK7780VQ datasheet(9/28 Pages) AKM

Part #	AK7780VQ

Description	24bit 5ch ADC & SRC Audio DSP

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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9 / 28 page

[AK7780]

No

Pin Name

I/O

Function

Classification

51

RDY

O

Data write ready output pin for microcomputer interface.

Microcomputer

Interface.

52

STO

O

Status output pin

Normal state output “H”.

When WDT, CRC error or SRC UNLOCK occurs, then output “L”.

See 3.(1) Whole block diagram.

Status

53

SDOUTA1

O

DSP or ADC Serial data output pin

* Compatible with MSB justified 24 bits / I

2S.

54

SDOUT6

O

DSP or ADC Serial data output pin

Digital section

* Compatible with MSB justified 24 bits / I

2S.

Serial output data

55

CLKO2

O

Clock output pin 2

Select the output frequency through a control register.

Clock output

56

DVDD

-

Power supply pin for digital section 3.3V(typ)

57

DVSS

-

Ground pin for digital section 0.0V

58

DVDD18

-

Power supply pin for digital section 1.8V(typ)

Digital power

supply

59

JX2

I

External condition jump pin

* When not used, connect to DVSS

60

JX1

I

External condition jump pin

* When not used, connect to DVSS

Conditional input

61

JX0

I

External condition jump pin

* When not used, connect to DVSS

62

SDIN1

I

DSP/SRC Serial input pin

Input pin for SRC. When not used, connect to DVSS.

Digital section

Serial input data

63

SRC_BICK

I

SRC Serial bit clock input pin.

64

SRC_LRCK

I

SRC LR channel select clock input pin.

SRC

I

I2CSEL= “L”

SDA Outputs “L” level.

65

SDA

I/O

I2CSEL= “H”

I2C bus interface data pin

I

2C

66

P_SRCRST

I

SRC Reset pin

The control register R_SRCRST_N can also rest the SRC.

RESET

67

DVDD18

-

Power supply pin for digital section 1.8V(typ)

68

DVSS

-

Ground pin for digital section 0.0V

69

DVDD

-

Power supply pin for digital section 3.3V(typ)

Digital power

supply

70

BVSS

-

Silicon substrate potential 0V

Connect to AVSS.

Analog power

supply

71

P_SRC

SMUTE

I

SRC Soft mute pin

The control register R_SRCSMUTE can also execute a soft mute on the

SRC.

SRC

72

TESTI2

I

TEST pin ( Internal pull-down )

* Connect to DVSS.

TEST

73

AVDD

-

Power supply pin for analog section 3.3V (typ)

74

AVSS

-

Analog ground 0V

Analog power

supply

75

SRC_LFLT

O

RC Filter connection pin for SRC.

Analog output

See p.86 10-2-5-2: SRC PLL loop filter setting.

MS0581-E-00-PB

2007/09

- 9 -

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