UPD780031AYGK-XXX-8A8 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD780031AYGK-XXX-8A8

8-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD780031AY, 780032AY, 780033AY, 780034AY

3. PIN FUNCTIONS

3.1 Port Pins (1/2)

Pin Name I/O

Function

P00

I/O Port 0

P01

4-bit input/output port

Input/output can be specified in 1-bit units.

P02

An on-chip pull-up resistor can be connected by means of software.

P03

P10 to P17 Input Port 1

8-bit input-only port

P20

I/O Port 2

P21

6-bit input/output port

Input/output can be specified in 1-bit units.

P22

An on-chip pull-up resistor can be connected by means of software.

P23

P24

P25

P30

I/O Port 3

N-ch open-drain input/output port

P31

7-bit input/output port The mask option can be used to specify the

Input/output can be connection of an on-chip pull-up resistor to P30, P31.

P32

specified in 1-bit units. LEDs can be driven directly.

P33

P34

An on-chip pull-up resistor can be

P35

connected by means of software.

P36

P40 to P47

I/O Port 4

8-bit input/output port

Input/output can be specified in 1-bit units.

An on-chip pull-up resistor can be connected by means of software.

The interrupt request flag (KRIF) is set to 1 by falling edge detection.

P50 to P57

I/O Port 5

8-bit input/output port

LEDs can be driven directly.

Input/output can be specified in 1-bit units.

An on-chip pull-up resistor can be connected by means of software.

P64

I/O Port 6

P65

4-bit input/output port

Input/output can be specified in 1-bit units.

P66

An on-chip pull-up resistor can be connected by means of software.

P67

After

Reset

Alternate

Function

Input INTP0

INTP1

INTP2

INTP3/ADTRG

Input ANI0 to ANI7

Input SI30

SO30

SCK30

RxD0

TxD0

ASCK0

Input

—

SDA0

SCL0

—

Input AD0 to AD7

Input A8 to A15

Input

RD

WR

WAIT

ASTB

Data Sheet U14045EJ1V0DS00

11

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