UPD750066GT データシートの表示（PDF） - NEC => Renesas Technology

部品番号

コンポーネント説明

メーカー

UPD750066GT

4 BIT SINGLE CHIP CMOS MICROCOMPUTERS

NEC => Renesas Technology 

µPD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)

3.2 Non-port Pins (2/2)

Pin Name

X1

X2

XT1

XT2

RESET

IC

VDD

VSS

Input/Output

Input

–

Input

–

Input

–

–

–

Alternate

Function

–

–

–

–

–

–

Function

I/O Circuit

After Reset

TypeNote

Crystal/ceramic connection pin for the main system

–

–

clock oscillation. When inputting the external

clock, input the external clock to pin X1, and the

inverted phase of the external clock to pin X2.

Crystal connection pin for the subsystem clock

–

–

oscillation. When the external clock is used, input

the external clock to pin XT1, and the inverted

phase of the external clock to pin XT2. Pin XT1 can

be used as a 1-bit input (test) pin.

System reset input (low-level active)

–

<B>

Internally connected. Connect directly to VDD.

–

–

Positive power supply

–

–

Ground potential

–

–

Note Circuit types enclosed in brackets indicate the Schmitt trigger input.

Data Sheet U10165EJ2V0DS00

11

Share Link: