UPD75P3036 datasheet(8/64 Pages) NEC

Part #	UPD75P3036

Description	4-BIT SINGLE-CHIP MICROCONTROLLER

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Manufacturer	NEC [NEC]

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8

µPD75P3036

3.1 Port Pins (2/2)

Pin name

I/O

Alternate

Function

8-bit

Status

I/O circuit

function

I/O

after reset

typeNote 1

P60

I/O

KR0

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

Yes

Input

<F> -A

Input and output can be specified in bit units.

P61

KR1

Connection of an on-chip pull-up resistor can be

specified in 4-bit units by software.

P62

KR2

P63

KR3

P70

I/O

KR4

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

Input

<F> -A

Connection of an on-chip pull-up resistor can be

P71

KR5

specified in 4-bit units by software.

P72

KR6

P73

KR7

P80

I/O

TI1

This is a 4-bit I/O port (PORT8).

No

Input

<E> -E

Connection of an on-chip pull-up resistor can be

P81

TI2

specified in 4-bit units by software.

P82

AN6

Y-B

P83

AN7

BP0

Output

S24

These pins are also used as 1-bit I/O port (BIT

No

Note 2

H-A

PORT) segment output pin.

BP1

S25

BP2

S26

BP3

S27

BP4

Output

S28

BP5

S29

BP6

S30

BP7

S31

Notes 1. Circuit types enclosed in brackets indicate Schmitt trigger input.

2. BP0 through BP7 select VLC1 as an input source.

However, the output levels change depending on the external circuit of BP0 through BP7 and VLC1.

Example Because BP0 through BP7 are mutually connected inside the

µPD75P3036, the output levels of BP0 through

BP7 are determined by R1, R2, and R3.

*

PD75P3036

VLC1

R1

ON

BP1

BP0

R2

R3

VDD

µ

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UPD75P3036 Datasheet(PDF) 8 Page - NEC

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