UPD753017AGC datasheet(9/88 Pages) NEC

Part #	UPD753017AGC

Description	4-BIT SINGLE-CHIP MICROCONTROLLER

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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9

µPD753012A, 753016A, 753017A

Data Sheet U11662EJ2V0DS00

3. PIN FUNCTION

3.1 Port Pins (1/2)

Pin Name

I/O

Alternate

Function

8-bit

After Reset

I/O Circuit

Function

I/O

TypeNote 1

P00

Input

INT4

No

Input

<B>

P01

SCK

<F>-A

P02

SO/SB0

<F>-B

P03

SI/SB1

<M>-C

P10

Input

INT0

No

input

<B>-C

P11

INT1

P12

TI1/TI2/INT2

P13

TI0

P20

I/O

PTO0

No

Input

E-B

P21

PTO1

P22

PCL/PTO2

P23

BUZ

P30

I/O

LCDCL

No

Input

E-B

P31

SYNC

P32

–

P33

–

P40-P43Note 2

I/O

–

Yes

M-D

P50-P53Note 2

I/O

–

M-D

Notes 1.

Circuit types enclosed in brackets indicate the Schmitt trigger input.

2.

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, connection of on-chip pull-

up resistors can be specified by software in

3-bit units.

4-bit input port (PORT1).

Connection of on-chip pull-up resistors can

be specified by software in 4-bit units.

Only P10/INT0 can select noise elimination

circuit.

4-bit input/output port (PORT2).

Connection 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 for input/output

bit-wise.

Connection 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).

Withstand voltage is 13 V in open-drain mode.

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

(PORT5).

A pull-up resistor can be contained bit-wise

(mask option).

Withstand voltage is 13 V in open-drain mode.

High level

(when pull-

up resistors

are

provided) or

high

impedance

High level

(when pull-

up resistors

are

provided) or

high

impedance

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