UPD17145 datasheet(4/102 Pages) NEC

Part #	UPD17145

Description	SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS

Download	102 Pages

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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4 / 102 page

4

µPD17145(A1), 17147(A1), 17149(A1)

PIN CONFIGURATION (Top View)

28-pin plastic shrink DIP (400 mil)

28-pin plastic SOP (375 mil)

ADC0-ADC3

: analog input

GND

: ground

INT

: external interrupt input

P0A0 to P0A3

: port 0A

P0B0 to P0B3

: port 0B

P0C0 to P0C3

: port 0C

P0D0 to P0D3

: port 0D

P0E0 to P0E3

: port 0E

P0F0 and P0F1 : port 0F

RESET

: reset input

RLS

: standby release signal input

SCK

: serial clock I/O

SI

: serial data input

SO

: serial data output

TM1OUT

: timer 1 output

VDD

: power

VREF

: A/D converter reference voltage

XIN, XOUT

: for system clock oscillation

VDD

P0F1/VREF

P0C3/ADC3

P0C2/ADC2

P0C1/ADC1

P0C0/ADC0

P0B3

P0B2

P0B1

P0B0

P0A3

P0A2

P0A1

P0A0

GND

XIN

XOUT

RESET

INT

P0F0/RLS

P0D0/SCK

P0D2/SI

P0D3/TM1OUT

P0E1

P0E2

P0E3

P0D1/SO

P0E0

1

2

3

4

5

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28

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UPD17145 Datasheet(PDF) 4 Page - NEC

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