LC75055PE-6158-H Ver la hoja de datos (PDF) - ON Semiconductor

Número de pieza

componentes Descripción

Fabricante

LC75055PE-6158-H

Car Audio DSP

ON Semiconductor 

Pin functions

No

Pin name

1 COAVDD2

2 COAVSS1

3 COAVDD1

4 VREFAMPO

5 ADC_VREF

6 DAC_VREF

7 MNI3

8 MNI2N

9 MNI2P

10 MNI1P

11 MNI1N

12 TEST1

13 TEST2

14 DVSS_3

15 DVDD33

16 MODE

17 BUSYO

18 SP_DO/SDAS

19 SP_CL/SCLS

20 SP_DI/GPIO_2

21 SP_SSB/GPIO_3

22 GPO_1 (ERR)

23 PWDB

24 RSTB

25 DSPIO1

26 DVDD_2

27 DVSS_2

28 DVREF

29 DVDD33

30 DSPIO2

31 DSPIO3

32 DSPIO4

33 IISI1_DATA

34 IISI1_LRCK

35 IISI1_BCLK

36 IISI2_DATA

37 IISI2_LRCK

38 IISI2_BCLK

39 IISI3_DATA

40 IISI3_LRCK

41 IISI3_BCLK

42 IISI4_DATA

LC75055PE

Input/output

AO

AO

AO

AI

AI

AI

AI

AI

I

I

I

O

I/O

I

I/O

I/O

O

I

I

I/O

O

I/O

I/O

I/O

I

I

I

I

I

I

I

I

I

I

Input/output

(RSTB=L)

AO

AO

AO

AI

AI

AI

AI

AI

I

I

O (H)

I

I

I

I

O(L)

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

Functions

Power supply for CODEC analog (3.3V)

Power supply for CODEC analog (GND)

Power supply for CODEC analog (3.3V)

Reference voltage buffer output pin, used as external reference voltage

Reference voltage output pin for CODEC ADC

A coupling capacitor is required between this pin and GND.

Reference voltage output pin for CODEC DAC

A coupling capacitor is required between this pin and GND.

Analog single-end input pin for monaural3

When this pin is unused, connect it to GND via capacitor.

Negative analog input pin for monaural 2 or

Analog single-end input pin for monaural 5.

When this pin is unused, connect it to GND via capacitor.

Positive analog input pin for monaural 2 or

Analog single-end input pin for monaural 4.

When this pin is unused, connect it to GND via capacitor.

Positive analog input pin for monaural 1

When this pin is unused, connect it to GND via capacitor.

Negative analog input pin for monaural 1

When this pin is unused, connect it to GND via capacitor.

Test mode setting input pin1. Normally connected to GND

Test mode setting input pin2. Normally connected to GND

Power supply for digital (GND)

Power supply for digital (3.3V)

Select pin for serial communication mode (“0”: I2C, “1”: SPI)

System busy signal output pin for HOST CPU communication

(High level: the system is busy)

Data output pin for SPI (slave) communication or

data input/ output pin for IIC (Slave) communication

Clock input pin for data transfer for SPI (slave) communication or

data transfer clock input pin for IIC (Slave) communication

Data input pin for SPI (slave) communication or

General-purpose input/output pin2 for Audio DSP

Enable signal input pin for SPI (slave) communication (Active: low level) or

General-purpose input/output pin3 for audio DSP

General-purpose output pin 1 for integrated DSP (will be designed to correspond to

communication error signal output)

Power-down mode setting pin. Normally high level.

System reset pin. Make sure to set to low level when turning on power.

Audio DSP general input/output pin 1

Power supply for internal logic (1.5V)

Power supply for digital (GND)

Control output pin for 1.5V level

Power supply for digital (3.3V)

Audio DSP general-purpose input/output pin2

Audio DSP general-purpose input/output pin3

Audio DSP general-purpose input/output pin4 or 256fs_clock out pin.

IIS data input pin1

IIS word clock input pin1

IIS bit clock input pin1

IIS data input pin2

IIS word clock input pin2

IIS bit clock input pin2

IIS data input pin3

IIS word clock input pin3

IIS bit clock input pin3

IIS data input pin4

Continued on next page.

No.A2168-8/26

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