Marantz ER2500 Service Manual download pdf (Page 30)

IC34: AK4358

No in Name I/ Function

1 LOU T1- O DAC 1 Lch Negative Anal og Output Pin

2 LOU T1+ O DAC 1 Lch Positive Analog Output Pin

3 DZF 3 O Zero Input Detect 3 Pin

4 DZF 2 O Zero Input Detect 2 Pin

5 DZF 1 O Zero Input Detect 1 Pin

6 CAD0 I Chip A ddress 0 Pin

7 AC KSN I Aut o Setting M ode Di sable Pin (Pull-down Pin)

DN Power-Dow n M ode Pin

The AK4358 should always be reset upon power-up.

9 BICK I Audio Seri al Data Cl ock Pin

10 M CLK I Master Cl ock Input Pin

An external TTL clock should be input on this pin.

DD -

Di gital Power Supply Pin, +4.75 +5.25V

SS - Di gital Ground Pin

13 SDTI4 I DAC 4 Audi o Seri al Data Input Pin

14 SDTI1 I DAC 1 Audi o Seri al Data Input Pin

15 SDTI2 I DAC 2 Audi o Seri al Data Input Pin

16 SDTI3 I DAC 3 Audi o Seri al Data Input Pin

17 LR CK I L/R Clock Pin

18 I2C I Control M ode Select Pin

19 CCLK /SCL I Control Data Clock Pin

20 CDTI/ SDA I/O Control Data Input Pin

SN/C I Chip Select Pin

LK I DSD Clock Pin

23 DSDL4 I DAC 4 DSD Lc h Data Input Pin

24 DSDR4 I DAC 4 DSD Rch Data Input Pin

25 DSDL1 I DAC 1 DSD Lc h Data Input Pin

26 DSDR1 I DAC 1 DSD Rch Data Input Pin

27 DSDL2 I DAC 2DSD Lch Dat a Input Pin

28 DSDR2 I DAC 2 DSD Rch Data Input Pin

29 DSDL3 I DAC 3 DSD Lc h Data Input Pin

30 DSDR3 I DAC 3 DSD Rch Data Input Pin

31 DIF0 I Audio Dat a Int erface Format 0 Pin

32 ROUT4- O DAC 4 Rch Negative Anal og Output Pin

33 ROUT4+ O DAC 4 Rch Positive Anal og Output Pin

34 VR EFH I Positive Voltage Reference Input Pin

Anal og Power Supply Pin, +4.75 +5.25V

36 AVSS - Anal og Ground Pin

37 LOUT4- O DAC 4 Lch Negati ve Analog Output Pin

38 LOUT4+ O DAC 4 Lch Positive Analog Output Pin

39 ROUT3- O DAC 3 Rch Negative Anal og Output Pin

40 ROUT3+ O DAC 3 Rch Positive Anal og Output Pin

41 LOUT3- O DAC 3 Lch Negati ve Analog Output Pin

42 LOUT3+ O DAC 3 Lch Positive Analog Output Pin

43 ROUT2- O DAC 2 Rch Negative Anal og Output Pin

44 ROUT2+ O DAC 2 Rch Positive Anal og Output Pin

45 LOUT2- O DAC 2 Lch Negati ve Analog Output Pin

. P O

8 P I

11 DV

12 DV

21 C AD1

22 DC

35 AVDD

46 LOUT2+ O DAC 2 Lch Positive Analog Output Pin

47 ROUT1- O DAC 1 Rch Negative Anal og Output Pin

48 ROUT1+ O DAC 1 Rch Positive Anal og Output Pin

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

“L”: Auto Setting Mode, “H”: Manual Setting Mode

When at “L”, the AK4358 is in the power-down mode and is held in reset.

“L”: 3-wire Serial, “H”: IC Bus

I2C = “L”: CCLK (3-wire Serial), I2C = “H”: SCL (I

C Bus)

I2C = “L”: CDTI (3-wire Serial), I2C = “H”: SDA (I

C Bus)

I2C = “L”: CSN (3-wire Serial), I2C = “H”: CAD1 (I

C Bus)

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Marantz ER2500 Service Manual Page 30

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