UPD75064GBA データシートの表示（PDF） - NEC => Renesas Technology

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UPD75064GBA

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)

3. PIN FUNCTIONS

3.1 Port Pins

Pin name

P00

P01

P02

P03

P10

P11

P12

P13

P20

P21

P22

P23

P30Note 2

P31Note 2

P32Note 2

P33Note 2

P40 - P43Note 2

P50 - P53Note 2

P60

P61

P62

P63

P110

P111

P112

P113

Input/

output

Input

I/O

I/O

I/O

Input

I/O

I/O

I/O

I/O

I/O

Input

Shared

with

INT4

SCK

SO/SB0

SI/SB1

INT0

INT1

INT2

TI0

PTO0

–

PCL

BUZ

–

–

–

–

–

–

KR0/AN4

KR1/AN5

KR2/AN6

KR3/AN7

AN0

AN1

AN2

AN3

Function

4-bit input port (PORT0).

For P01 to P03, pull-up resistors can be

provided by software in units of 3 bits.

8-bit

I/O

×

With noise elimination function ×

4-bit input port (PORT1).

Pull-up resistors can be provided by soft-

ware in units of 4 bits.

When reset

Input

Input

I/O circuit

typeNote 1

B

F -A

F -B

M -C

B -C

4-bit I/O port (PORT2).

×

Input

E-B

Pull-up resistors can be provided by soft-

ware in units of 4 bits.

Programmable 4-bit I/O port (PORT3).

×

Input

E-B

I/O can be specified bit by bit. Pull-up

resistors can be provided by software in

units of 4 bits.

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

A pull-up resistor can be provided for

each bit (mask option). Breakdown volt-

age is 10 V in open-drain mode.

High level

M

(when pull-

up resistors

are provided)

or high

impedance

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

High level

M

A pull-up resistor can be provided for

(when pull-

each bit (mask option). Breakdown volt-

up resistors

age is 10 V in open-drain mode.

are provided)

or high

impedance

×

Programmable 4-bit I/O port (PORT6).

Input

Y -D

I/O can be specified bit by bit. Pull-up

resistors can be provided by software in

units of 4 bits.

4-bit input port (PORT11).

×

Input

Y-A

Notes 1. The circle ( ) indicates the Schmitt trigger input.

2. Can directly drive LEDs.

8

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