LC786820E datasheet(11/35 Pages) ONSEMI

Il numero della parte	LC786820E

Spiegazioni elettronici	Compressed Audio Signal Processor IC

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Produttore elettronici	ONSEMI [ON Semiconductor]

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LC786820E

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11

No.

Pin name

I/O

State when

"Reset"

Function

33

GP30

I/O

Input(L)

General purpose I/O port with pull down resistor

UART2 data transmit (exclusive with GP46)

External interruption function 3

(exclusive with GP13, GP31, GP43 and GP47)

LR clock input/output 2 for Audio interface

LR clock input 2 for Stream data interface

34

GP31

I/O

Input(L)

General purpose I/O port with pull down resistor

UART2 data receive (exclusive with GP47)

External interruption function 3

(exclusive with GP13, GP30, GP43 and GP47)

Bit clock input/output 2 for Audio interface

Bit clock input/output 2 for Stream data interface

35

GP32

I/O

Input(L)

General purpose I/O port with pull down resistor

Data 1 input/output for SD memory card

Data input/output 2 for Audio interface

Data input/output 2 for Stream data interface

36

GP33

I/O

Input(L)

General purpose I/O port with pull down resistor

Data 0 input/output for SD memory card

Clock(Fs384) input/output 2 for Audio DAC

Request flag input/output 2 for Stream data interface

37

GP34

I/O

Input(L)

General purpose I/O port with pull down resistor

Clock output for SD memory card

Transmit data output for serial communication 3 (exclusive with GP50)

Block synchronization signal (SBSY) input for CD subcode

(exclusive with GP44)

38

GP35

I/O

Input(L)

General purpose I/O port with pull down resistor

Command input/output for SD memory card

Master clock output for serial communication 3 (exclusive with GP51)

Frame synchronization signal (SFSY) input for CD subcode

(exclusive with GP45)

39

GP36

I/O

Input(L)

General purpose I/O port with pull down resistor

Data 3 input/output for SD memory card

Receive data input for serial communication 3 (exclusive with GP52)

Data (PW) input for CD subcode (exclusive with GP46)

40

GP37

I/O

Input(L)

General purpose I/O port with pull down resistor

Data 2 input/output for SD memory card

Data transmit clock (SBCK) output for CD subcode (exclusive with GP47)

41

DVDD



Digital system power supply

42

DVSS



Digital system ground. This pin must be connected to the 0V level.

43

REG1EXTR

AO

Unknown

Reserved pin for internal regulator. This pin must be left open.

44

DVDD12_2

AO

H

Capacitor connection pin for internal regulator (1.2V for internal)

45

GP10

I/O

Input(L)

General purpose I/O port with pull down resistor

UART1 data transmit (exclusive with GP06)

IIC (master) clock output (exclusive with GP04 and GP40)

46

GP11

I/O

Input(L)

General purpose I/O port with pull down resistor

UART1 data receive (exclusive with GP07)

IIC (master) data input/output (exclusive with GP05 and GP41)

47

GP12

I/O

Input(L)

General purpose I/O port with pull down resistor

External interruption function 2 (exclusive with GP42 and GP46)

Clock control input 1

Watch Dog Timer state monitor output

48

GP13

I/O

Input(L)

General purpose I/O port with pull down resistor

External interruption function 3

(exclusive with GP30, GP31, GP43 and GP47)

Clock control input 2

Watch Dog Timer state monitor output

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