D78044H データシートの表示（PDF） - NEC => Renesas Technology

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D78044H

8-BIT SINGLE-CHIP MICROCOMPUTER / UPD78044H

NEC => Renesas Technology 

µPD78044H, 78045H, 78046H

3.2 PINS OTHER THAN PORT PINS

Pin

INTP0

INTP1

INTP2

INTP3

SI1

SO1

SCK1

TI0

TO0

TO1

TO2

PCL

I/O

Input

Input

Output

I/O

Input

Output

Output

BUZ

FIP0, FIP1

FIP2-FIP9

FIP10-FIP15

Output

Output

Output

FIP16, FIP17

FIP18-FIP25

FIP26-FIP33

VLOAD

ANI0-ANI7

AVREF

AVDD

AVSS

RESET

X1

X2

XT1

XT2

VDD

VSS

IC

Output

—

Input

Input

—

—

Input

Input

—

Input

—

—

—

—

Function

Valid edge (rising, falling, or both rising and falling edges) can

be specified.

External interrupt input

Falling edge-active external interrupt input

Serial data input lines of serial interface

Serial data output lines of serial interface

Serial clock I/O lines of serial interface

External count clock input to 16-bit timer (TM0)

16-bit timer output (multiplexed with 14-bit PWM output)

8-bit timer (TM1) output

8-bit timer (TM2) output

Clock output (for trimming main system clock and subsystem

clock)

Buzzer output

High-voltage, high-current digit/segment output of FIP

controller/driver

High-voltage, high-current digit/segment output of FIP

controller/driver

High-voltage segment output of FIP controller/driver

Connects pull-down resistor to FIP controller/driver

A/D converter analog input lines

A/D converter reference voltage input line

Analog power supply to A/D converter. Connected to the VDD pin.

A/D converter ground line. Connected to the VSS pin.

System reset input

Connect crystal for main system clock oscillation

Connect crystal for subsystem clock oscillation

Positive power supply

Ground potential

Internal connection. Connected directly to the VSS pin.

On reset Shared by:

Input

P00/TI0

P01

P02

Input

P03

Input

P20

Input

P21

Input

P22

Input

P00/INTP0

Input

P30

P31

P32

Input

P35

Input

Output

Output

P36

P80, P81

P90-P97

P100-P105

Output

Input

—

Input

—

—

—

—

—

—

Input

—

—

—

—

P106, P107

P110-P117

P120-P127

—

P10-P17

—

—

—

—

—

—

P04

—

—

—

—

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