UPD78P368AKL-S データシートの表示（PDF） - NEC => Renesas Technology

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UPD78P368AKL-S

16/8 BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

mPD78P368A

(2) Non-port pins (2/2)

Pin name

MODE0

MODE1

RESET

X1

X2

AVREF

AVDD

AVSS

VDD

VSS

IC

I/O

Function

Dual-function pin

I

Input for the control signal which sets the operation mode. Normally, both

–

MODE0 and MODE1 are directly connected to the VSS pin.

I

System reset input

–

I

Crystal input pin for the system clock. A clock signal provided externally is

–

–

input to the X1 pin. The reversed signal of the clock signal is input to the

X2 pin.

I

A/D converter reference voltage input

–

–

Analog power supply for the A/D converter

–

–

Ground for the A/D converter

–

–

Positive power supply

–

–

Ground

–

–

Internally connected. Directly connect the IC pin to VSS.

–

1.2 PROM PROGRAMMING MODE (MODE0/VPP = H, MODE1 = L)

Pin name

MODE0/VPP

MODE1

A0-A16

D0-D7

PGM

CE

OE

VDD

VSS

I/O

Function

I PROM programming mode set/programming supply voltage

I PROM programming mode set

I Address bus

I/O Data bus

I Program input

I Enable PROM

I Read strobe to PROM

Positive power supply

GND

10

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