UPD75P0016CU データシートの表示（PDF） - NEC => Renesas Technology

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UPD75P0016CU

4-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD75P0016

3. PIN FUNCTIONS

3.1 Port Pins

Pin name

P00

P01

I/O

Shared by

I INT4

I/O SCK

Function

8-bit

I/O

This is a 4-bit input port (PORT0).

×

For P01 to P03, on-chip pull-up resistor connections

are software-specifiable in 3-bit units.

When

reset

Input

I/O circuit

type Note 1

<B>

<F>-A

P02

I/O SO/SB0

<F>-B

P03

I/O SI/SB1

<M>-C

P10

I INT0

This is a 4-bit input port (PORT1).

×

Input

<B>-C

On-chip pull-up resistor connections are software-

P11

INT1

specifiable in 4-bit units.

P10/INT0 can select noise elimination circuit.

P12

INT2

P13

TI0

P20

I/O PTO0

This is a 4-bit I/O port (PORT2).

×

Input

E-B

On-chip pull-up resistor connections are software-

P21

PTO1

specifiable in 4-bit units.

P22

PCL

P23

BUZ

P30

I/O MD0

P31

MD1

P32

MD2

This is a programmable 4-bit I/O port (PORT3).

Input and output can be specified in single-bit

units. On-chip pull-up resistor connections are

software-specifiable in 4-bit units.

×

Input

E-B

P33

P40 Note 2

P41 Note 2

P42 Note 2

MD3

I/O D0

D1

D2

This is an N-ch open-drain 4-bit I/O port (PORT4).

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

High

impedance M-E

P43 Note 2

P50 Note 2

P51 Note 2

P52 Note 2

P53 Note 2

D3

I/O D4

D5

D6

D7

This is an N-ch open-drain 4-bit I/O port (PORT5).

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

High

impedance M-E

P60

I/O KR0

P61

KR1

P62

KR2

This is a programmable 4-bit I/O port (PORT6).

Input and output can be specified in single-bit units.

On-chip pull-up resistor connections are software-

specifiable in 4-bit units.

Input

<F>-A

P63

KR3

P70

I/O KR4

P71

KR5

This is a 4-bit I/O port (PORT7).

On-chip pull-up resistor connections are software-

specifiable in 4-bit units.

Input

<F>-A

P72

KR6

P73

KR7

P80

I/O —

P81

—

This is a 2-bit I/O port (PORT8).

×

Input

E-B

On-chip pull-up resistor connections are software-

specifiable in 2-bit units.

Notes 1. Circuit types enclosed in brackets indicate Schmitt triggered inputs.

2. Low-level input current leakage increases when input instructions or bit manipulation instructions are executed.

Data Sheet U10328EJ3V1DS00

7

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