UPD75048 datasheet(11/68 Pages) NEC

Part #	UPD75048

Description	4-BIT SINGLE-CHIP MICROCOMPUTER

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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11 / 68 page

11

µPD75048

P13

P20

P22

P23

P01

P02

P03

P00

P10

P11

P12

P60-63

P70-73

P100

P101

P102

P103

P21

Pin Name Input/Output

Also Served

As

Functon

When Reset

Input/

Output

Circuit

TYPE*1

3.2

NON PORT PINS

Input

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Timer/event counter external event pulse input

Timer/event counter output

Clock output

Arbitrary frequency output(for buzzer or for

trimming the system clock)

Serial clock input/output

Serial data output

Serial bus input/output

Serial data input

Serial bus input/output

Edge detection vector interrupt input (both

rising and falling edge detection are effective)

Edge detection vector

interrupt input (detection

edge is selectable)

Edge detection vector

interrupt input (rising

edge is detected.)

Clock synchronous

Asynchronous

Parallel falling edge detection testable input

In the MFT

integration type A/

D converter mode

In the MFT timer

mode

Reference integration

signal output

Integration signal output

Auto zero signal output

Comparator input

Timer pulse output

Input

*2

Input

B - C

E - B

F - A

F - B

M - C

B

B - C

F - A

M

E - B

*1:

Circles indicate Schmitt trigger inputs.

2:

High level (with internal pull-up resistor) or high impedence

Remarks:

MFT: Multi-function timer

TI0

PTO0

PCL

BUZ

SCK

SO/SB0

SI/SB1

INT4

INT0

INT1

INT2

KR0-KR3

KR4-KR7

MAR

MAI

MAZ

MAT

PPO

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UPD75048 Datasheet(PDF) 11 Page - NEC

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