UPD750006GBA データシートの表示（PDF） - NEC => Renesas Technology

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UPD750006GBA

4 BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)

3. PIN FUNCTIONS

3.1 PORT PINS

Pin name

P00

P01

P02

P03

P10

P11

P12

P13

P20

P21

P22

P23

P30 - P33

Input/

output

Input

I/O

I/O

I/O

Input

I/O

I/O

Shared

pin

INT4

SCK

SO/SB0

SI/SB1

INT0

INT1

INT2

TI0

PTO0

PTO1

PCL

BUZ

-

P40 - P43Notes 2

I/O

-

P50 - P53Notes 2

I/O

-

P60

I/O KR0

P61

KR1

P62

KR2

P63

KR3

P70

I/O KR4

P71

KR5

P72

KR6

P73

KR7

P80

I/O

-

P81

-

Function

4-bit input port (PORT0).

For P01 - P03, built-in pull-up resistors

can be connected by software in units

of 3 bits.

8-bit

I/O

×

4-bit input port (PORT1).

×

Built-in pull-up resistors can be

connected by software in units of 4 bits.

A noise eliminator can be selected only

when the P10/INT0 pin is used.

4-bit I/O port (PORT2).

×

Built-in pull-up resistors can be

connected by software in units of 4 bits.

When reset

Input

Input

I/O circuit

typeNote 1

B

F -A

F -B

M -C

B -C

Input

E-B

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

×

I/O can be specified bit by bit. Built-in

pull-up resistors can be connected by

software in units of 4 bits.

Input

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

A pull-up resistor can be provided bit by

bit (mask option). Withstand voltage is

13 V in open-drain mode.

High level (when

pull-up resistors

are provided) or

high impedance

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

A pull-up resistor can be provided bit by

bit (mask option). Withstand voltage is

13 V in open-drain mode.

High level (when

pull-up resistors

are provided) or

high impedance

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

I/O can be specified bit by bit. Built-in

pull-up resistors can be connected by

software in units of 4 bits.

Input

E-B

M-D

M-D

F -A

4-bit I/O port (PORT7).

Built-in pull-up resistors can be

connected by software in units of 4 bits.

Input

F -A

2-bit I/O port (PORT8).

×

Input

E-B

Built-in pull-up resistors can be

connected by software in units of 2

bits.

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

2. When pull-up resistors that can be specified with the mask option are not incorporated (when pins are used

as N-ch open-drain input ports), the input leak low current increases when an input instruction or bit

operation instruction is executed.

9

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