UPD78P014 datasheet(17/64 Pages) RENESAS

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µPD78P014

Pin Name

RESET

VPP

A0 to A14

D0 to D7

VDD

VSS

Input

—

Input

—

Input

—

Alternate

Function

Pin Name

I/O

ANI0 to ANI7

AVREF

AVDD

AVSS

RESET

XT1

XT2

VDD

VPP

VSS

P10 to P17

—

P04

—

(2)

Non port pins (2/2)

After Reset

Function

A/D converter analog input.

A/D converter reference voltage input.

A/D converter analog power supply. Connect to VDD.

A/D converter ground potential. Connect to VSS.

System reset input.

Main system clock oscillation crystal connection.

Subsystem clock oscillation crystal connection.

Positive power supply.

(High voltage application for program write/verify. Directly connected

to VSS in normal operating mode.)

Ground potential

Input

—

Input

—

I/O

Input

Input/

output

Input

—

PROM programming mode setting.

When +5 V or +12.5 V is applied to the VPP pin and a low-level signal to the RESET pin, the PROM

programming mode is set.

PROM programming mode setting and high voltage application for program write/verify.

Address bus.

Data bus.

PROM enable input/program pulse input.

PROM read strobe input.

Positive power supply.

Ground potential.

2.2

PROM Programming Mode Pins

UPD78P014 Datasheet(PDF) 17 Page - Renesas Technology Corp

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