UPD78014 datasheet(17/58 Pages) RENESAS

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µPD78P083

(2)

Non-port pins

Pin Name

Input/Output

Function

After Reset

Alternate Function

INTP1

Input

External interrupt input by which the active edge (rising edge,

Input

P01

INTP2

falling edge, or both rising and falling edges) can be specified.

P02

INTP3

P03

SI2

Input

Serial interface serial data input.

Input

P70/RxD

SO2

Output

Serial interface serial data output.

Input

P71/TxD

SCK2

Input/Output

Serial interface serial clock input/output.

Input

P72/ASCK

RxD

Input

Asynchronous serial interface serial data input.

Input

P70/SI2

TxD

Output

Asynchronous serial interface serial data output.

Input

P71/SO2

ASCK

Input

Asynchronous serial interface serial clock input.

Input

P72/SCK2

TI5

Input

External count clock input to 8-bit timer (TM5).

Input

P100/TO5

TI6

External count clock input to 8-bit timer (TM6).

P101/TO6

TO5

Output

8-bit timer output.

Input

P100/TI5

TO6

P101/TI6

PCL

Output

Clock output. (for main system clock trimming)

Input

P35

BUZ

Output

Buzzer output.

Input

P36

ANI0-ANI7

Input

A/D converter analog input.

Input

P10-P17

AVREF

Input

A/D converter reference voltage input.

–

AVDD

–

A/D converter analog power supply. Connected to VDD.–

–

AVSS

–

A/D converter ground potential. Connected to VSS.–

–

RESET

Input

System reset input.

–

Input

Main system clock oscillation crystal connection.

–

––

VDD

–

Positive power supply.

–

VPP

–

High-voltage applied during program write/verification.

–

Connected directly to VSS in normal operating mode.

VSS

–

Ground potential.

–

Does not internally connected. Connect to VSS.–

–

(It can be left open)

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