UPD78218A Просмотр технического описания (PDF) - NEC => Renesas Technology

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Компоненты Описание

производитель

UPD78218A

8-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

PIN IDENTIFICATION

P00 to P07

: Port 0

P20 to P27

: Port 2

P30 to P37

: Port 3

P40 to P47

: Port 4

P50 to P57

: Port 5

P60 to P67

: Port 6

P70 to P75

: Port 7

TO0 to TO3 : Timer Output

CI

: Clock Input

RXD

: Receive Data

TXD

: Transmit Data

SCK

: Serial Clock

ASCK

: Asynchronous Serial Clock

SB0

: Serial Bus

SI

: Serial Input

SO

: Serial Output

NMI

: Non-maskable Interrupt

INTP0 to INTP5 : Interrupt From Peripherals

AD0 to AD7 : Address/Data Bus

A8 to A19

: Address Bus

µPD78217A, 78218A

RD

WR

WAIT

ASTB

REFRQ

RESET

X1, X2

EA

AN0 to AN7

AVREF

AVSS

VDD

VSS

: Read Strobe

: Write Strobe

: Wait

: Address Strobe

: Refresh Request

: Reset

: Crystal

: External Access

: Analog Input

: Reference Voltage

: Analog Ground

: Power Supply

: Ground

6

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