CXP84340M Просмотр технического описания (PDF) - Sony Semiconductor

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Компоненты Описание

производитель

CXP84340M

CMOS 8-bit Single Chip Microcomputer

Sony Semiconductor 

CXP84332M/84340M

Pin

PI0/INT0

to

PI3/INT3

4 pins

Circuit format

Port I

Pull-up resistance

∗

"0" when reset

Port I data

Port I direction

"0" when reset

Data bus

RD (Port I)

INT0

INT1

INT2

INT3

IP

Schmitt input

∗ Pull-up transistors

approx. 10kΩ

EXTAL

XTAL

EXTAL

2 pins

XTAL

• Diagram shows

circuit composition

IP

IP

during oscillation.

• Feedback resistor

is removed during stop.

When reset

Hi-Z

Oscillation

TEX

TX

TEX

2 pins

TX

• Diagram shows

circuit composition

IP

IP

during oscillation.

Oscillation

• When the operation of the oscillation

circuit is stopped by the software, the

feedback resistor is removed, and TEX

and TX become “Low” level and “High”

level respectively.

RST

1 pin

Pull-up resistance

Mask option OP

Schmitt input

IP

Low level

–9–

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