UPD75048CW 查看數據表（PDF） - NEC => Renesas Technology

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产品描述 (功能)

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UPD75048CW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75048

3.2 NON PORT PINS

Also Served

Pin Name Input/Output As

Functon

TI0

PTO0

PCL

BUZ

SCK

SO/SB0

SI/SB1

Input

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input/

Output

INT4

Input

INT0

INT1

Input

INT2

Input

P13

Timer/event counter external event pulse input

P20

Timer/event counter output

P22

Clock output

P23

Arbitrary frequency output(for buzzer or for

trimming the system clock)

P01

Serial clock input/output

Serial data output

P02

Serial bus input/output

Serial data input

P03

Serial bus input/output

Edge detection vector interrupt input (both

P00

rising and falling edge detection are effective)

P10

Edge detection vector

Clock synchronous

interrupt input (detection

edge is selectable)

P11

Asynchronous

Edge detection vector

interrupt input (rising

P12

edge is detected.)

Asynchronous

When Reset

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input

Input/

Output

Circuit

TYPE*1

B-C

E-B

E-B

E-B

F-A

F-B

M-C

B

B-C

B-C

KR0-KR3

KR4-KR7

MAR

MAI

MAZ

MAT

PPO

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input/

Output

Input/

Output

P60-63 Parallel falling edge detection testable input

P70-73

P100

P101

P102

Parallel falling edge detection testable input

Reference integration

signal output

In the MFT

integration type A/

D converter mode

Integration signal output

Auto zero signal output

P103

P21

In the MFT timer

mode

Comparator input

Timer pulse output

Input

Input

*2

Input

F-A

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

11

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