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AK4588

2/8-Channel Audio CODEC with DIR

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4588]

No. Pin Name

I/O

Function

55 AVDD

- Analog Power Supply Pin, 4.5V∼5.5V

56 AVSS

-

Analog Ground Pin, 0V

57 RX0

I Receiver Channel 0 Pin (Internal biased pin. Internally biased at PVDD/2)

58 NC

-

No Connect pin

No internal bonding. This pin should be connected to PVSS.

59 RX1

I Receiver Channel 1 Pin (Internal biased pin. Internally biased at PVDD/2)

60 TEST1

I

Test 1 Pin

This pin should be connected to PVSS.

61 RX2

I Receiver Channel 2 Pin (Internal biased pin. Internally biased at PVDD/2)

62 NC

-

No Connect pin

No internal bonding. This pin should be connected to PVSS.

63 RX3

I Receiver Channel 3 Pin (Internal biased pin. Internally biased at PVDD/2)

64 PVSS

- PLL Ground pin

65 R

-

External Resistor Pin

12kΩ +/-1% resistor should be connected to PVSS externally.

66 PVDD

- PLL Power supply Pin, 4.5V∼5.5V

67 RX4

I Receiver Channel 4 Pin (Internal biased pin. Internally biased at PVDD/2)

68 TEST2

I

Test 2 Pin

This pin should be connected to PVSS.

69 RX5

I Receiver Channel 5 Pin (Internal biased pin. Internally biased at PVDD/2)

70 CAD0

I

Chip Address 0 Pin (ADC/DAC part)

71 RX6

I Receiver Channel 6 Pin (Internal biased pin. Internally biased at PVDD/2)

72 CAD1

I

Chip Address 1 Pin (ADC/DAC part)

73 RX7

I Receiver Channel 7 Pin (Internal biased pin. Internally biased at PVDD/2)

74 I2C

I

Control Mode Select Pin.

“L”: 4-wire Serial, “H”: I2C Bus

75 DAUX2

I Auxiliary Audio Data Input Pin (DIR/DIT part)

76 VIN

I V-bit Input Pin for Transmitter Output

77 MCLK

I Master Clock Input Pin

78 TX0

O Transmit Channel (Through Data) Output 0 Pin

79 TX1

80 INT0

Transmit Channel Output1 pin

O

When TX bit = “0”, Transmit Channel (Through Data) Output 1 Pin.

When TX bit = “1”, Transmit Channel (DAUX2 Data) Output Pin (Default).

O Interrupt 0 Pin

Note: All input pins except internal biased pins and internal pull-down pin should not be left floating.

PVDD

RX pin

20k(typ)

20k(typ)

PVSS VCOM

Internal biased pin Circuit

MS0287-E-01

-8-

2004/03

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