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

Part Name

Description

Manufacturer

UPD77115

16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR

NEC => Renesas Technology 

µPD77115, 77115A

1.2 Connection of Unused Pins

1.2.1 Connection of function pins

When mounting, connect unused pins as follows:

Pin

INT1 to INT4

SCK/BCLK

SI

SIEN/MCLK

SOEN/LRCLK

SO

SDCLK

SDCR

SDDAT

HA0, HA1

HCS, HRD, HWR

HRE, HWE

HD0 to HD15Note

P0 to P3

TCK

TDO, TICE

TMS, TDI

TRST

CLKOUT

WAKEUP

I/O

Input

I/O

Input

Input

I/O

Output

Output

I/O

I/O

Input

Input

Output

I/O

I/O

Input

Output

Input

Input

Output

Input

Connect to EVDD.

Connect to EVDD or GND.

Recommended Connection

Connect to GND.

Leave unconnected

Connect to EVDD via pull-up resistor, or connect to GND via pull-down resistor.

Connect to EVDD or GND.

Connect to EVDD.

Leave unconnected.

Connect to EVDD via pull-up resistor, or connect to GND via pull-down resistor.

Connect to GND via pull-down resistor.

Leave unconnected.

Leave unconnected. (internally pulled up).

Leave unconnected. (internally pulled down).

Leave unconnected.

Connect to EVDD.

Note

These pins may be left unconnected if HCS, HRD, and HWR are fixed to the high level.

However, connect these pins as recommended in the halt and stop modes when the power consumption

must be lowered.

1.2.2 Connection of no-function pins

Pin

I.C.

NC

I/O

−

Leave unconnected.

−

Leave unconnected.

Recommended Connection

14

Data Sheet U14867EJ5V0DS

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