CXP81724B 查看數據表（PDF） - Sony Semiconductor

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产品描述 (功能)

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CXP81724B

CMOS 8-bit Single Chip Microcomputer

Sony Semiconductor 

CXP81720B/81724B

PIn

Circuit format

When reset

SCK0

1 pin

SCK

Serial interface CH0

SCK output enable

SCK

IP

Schmitt input

Hi-Z

EXTAL

XTAL

2 pins

EXTAL

XTAL

TEX

TX

TEX

2 pins

TX

RST

1 pin

• Diagram shows the circuit

IP

composition during oscillation.

• Feedback resistor is

removed during stop mode.

XTAL becomes High level.

Oscillation

• Diagram shows the circuit

32kHz

composition during oscillation.

timer counter

IP

• Feedback resistor is removed

during oscillation circuit stop

by software.

Oscillation

At this time TEX pin outputs

Low level and TX pin outputs

High level.

Pull-up resistor

OP Mask option

Schmitt input

IP

L level

– 11 –

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