UPD75P048GC-AB8 View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75P048GC-AB8

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75P048

1. PIN FUNCTIONS

1.1 PORT PINS (1/2)

Pin Name

P00

P01

P02

P03

P10

P11

P12

P13

P20

P21

P22

P23

P30 Note 2

P31 Note 2

P32 Note 2

P33 Note 2

P40 - P43 Note 2

Input/

Output

Input

I/O

I/O

I/O

Input

I/O

I/O

I/O

Shared

Pin

INT4

SCK

SO/SB0

SI/SB1

INT0

INT1

INT2

TI0

PTO0

PPO

PCL

BUZ

MD0

MD1

MD2

MD3

–

Function

4-bit input port (PORT0).

For P01 to P03, pull-up resistors can be

provided by software in units of 3 bits.

With noise elimination function

4-bit input port (PORT1).

Pull-up resistors can be provided by

software in units of 4 bits.

8-Bit

I/O

×

×

When Reset

Input

Input

I/O Circuit

Type Note 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

software in units of 4 bits.

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

×

I/O can be specified bit by bit.

Pull-up resistors can be provided by

software in units of 4 bits.

Input

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

Can withstand 10 V.

Data input/output pins for the PROM

write and verity (Four low-order bits).

High

impedance

E-B

M-A

P50 - P53 Note 2

I/O

–

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

Can withstand 10 V.

Data input/output pins for the PROM

write and verify (Four high-order bits).

High

impedance

M-A

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

2. Can directly drive LEDs.

6

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