UPD77115 View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD77115

16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR

NEC => Renesas Technology 

µPD77115, 77115A

• Serial interface

Pin Name

SCK/BCLK

Pin No.

80-pin FBGA 80-pin TQFP

C2

4

SOEN/LRCLK D1

6

SO

D3

5

SIEN/MCLK C1

3

SI

B2

1

I/O

Function

Shared by:

I/O Serial clock input/output

−

SCK : Standard serial interface(input)

BCLK : Audio serial interface(I/O)

I/O Serial output enable / Left Right clock

−

input/output

SOEN : Standard serial interface(input)

LRCLK : Audio serial interface(I/O)

Output Serial data output

−

(3S)

Input Serial input enable / Master clock input

−

SIEN : Standard serial interface

MCLK : Audio serial interface (Master clock input

when master mode)

Input Serial data input

−

Remark The pins marked “3S” under the heading “I/O” go into a high-impedance state on completion of data

transfer and input of the hardware reset (RESET) signal.

• SD card interface

Pin Name

SDCLK

SDCR

Pin No.

80-pin FBGA 80-pin TQFP

D5

74

B3

77

SDDAT

C3

79

I/O

Function

Output

I/O

(3S)

I/O

(3S)

SD card clock output

SD card command/response

Input : Response

Output : Command

•Leave pulled up.

SD card data input/output

Input : Read data

Output : Write data

•Leave pulled up.

Shared by:

−

−

−

Remark The pins marked “3S” under the heading “I/O” go into a high-impedance state when the SD card

interface is not being accessed.

Data Sheet U14867EJ5V0DS

11

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