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Chapter 25 external interrupt, Overview, Features – FUJITSU MB91460 SERIES FR60 User Manual

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Chapter 25 External Interrupt

1.Overview

Chapter 25 External Interrupt

1. Overview

External interrupt detects a signal input to an external interrupt input pin, and generates an interrupt request.

2. Features

• Quantity

: 16 (INT input -- 16 channels: INT0-INT15)

• Interrupt levels: 4 levels

• “L” level

• “H” level

• Rising edge

• Falling edge

Edge
detection
circuit

Pins

Interrupt requests