UPD753036 datasheet(8/88 Pages) NEC

8 / 88 page

µPD753036, 753036(A)

Data Sheet U11353EJ4V0DS00

High level

(when pull-

up resistors

are

contained)

or high

impedance

High level

(when pull-

up resistors

are

provided)

or high

impedance

3. PIN FUNCTION

3.1 Port Pins (1/2)

Pin Name

Input/Output

Alternate

Function

8-bit

State after

I/O Circuit

Function

Access

Reset

Type Note 1

P00

Input

INT4

Input

P01

SCK

F -A

P02

SO/SB0

F -B

P03

SI/SB1

M -C

P10

Input

INT0

Input

B -C

P11

INT1

P12

INT2

P13

TI0

P20

Input/Output

PTO0

Input

E-B

P21

PTO1

P22

PCL/PTO2

P23

BUZ

P30

Input/Output

LCDCL

Input

E-B

P31

SYNC

P32

–

P33

–

P40-P43 Note 2

Input/Output

–

Yes

M-D

P50-P53 Note 2

Input/Output

–

M-D

Notes 1.

Circled characters indicate the Schmitt-trigger input.

If on-chip pull-up resistors are not specified by mask option (when used as N-ch open-drain input port),

low level input leakage current increases when input or bit manipulation instruction is executed.

4-bit input port (PORT0).

For P01 to P03, connections of on-chip

pull-up resistors can be specified by

software in 3-bit units.

4-bit input port (PORT1)

Connections of on-chip pull-up resistors

can be specified by software in 4-bit units.

P10/INT0 can select noise eliminating

circuit.

4-bit input/output port (PORT2)

Connections of on-chip pull-up resistors

can be specified by software in 4-bit units.

Programmable 4-bit input/output port

(PORT3).

This port can be specified input/output in bit

units. Connections of on-chip pull-up resistor

can be specified by software in 4-bit units.

N-ch open-drain 4-bit input/output port

(PORT4).

A pull-up resistor can be contained bit-wise

(mask option).

In the open-drain mode, withstands up to 13 V.

N-ch open-drain 4-bit input/output port

(PORT5).

A pull-up resistor can be contained bit-wise

(mask option).

In the open-drain mode, withstands up to 13 V.

UPD753036 Datasheet(PDF) 8 Page - NEC

UPD753036 Datasheet(HTML) 8 Page - NEC

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