UPD78P324LP datasheet(20/82 Pages) RENESAS

номер детали	UPD78P324LP

подробное описание детали	MOS INTEGRATED CIRCUIT

PDF	82 Pages

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µPD78P324, 78P324(A)

Table 3-1. Pin Functions in Programming Mode

Function

Normal Operation Mode

Programming Mode

Address input

P00-P07, P80, P20, P81-P85, P33, P34

A0-A16

Data input

P40-P47

D0-D07

Program pulse

P32

PGM

Chip enable

P31

Output enable

P30

Program voltage

VPP

Mode voltage

RESET, AVDD

3.1

OPERATION MODE

When placing the microcomputer in programming Write/Verify mode, set it to RESET = H and AVDD = L.

In this mode, an operation mode in Table 3-2 can be selected by further setting the CE and OE pins.

When reading the content of the PROM, set it to Read mode. Process the unused pins in accordance with

the instructions in the PIN CONFIGURATION.

Table 3-2. Operation Mode of PROM Programming

Mode

Program Write

Program verify

Program inhibit

Read

Output disable

Standby

RESET

AVDD

Remark

x: L or H

PGM

VPP

+12.5 V

+5 V

VDD

+6.5 V

+5 V

D0-D7

Data input

Data output

High impedance

Data output

High impedance

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