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ML610Q421/ML610Q422/ML610421 User’s Manual
Chapter 5 Interrupts (INTs)
5 – 1
5. Interrupts (INTs)
5.1 Overview
This LSI has 22 interrupt sources (External interrupts: 5 sources, Internal interrupts: 17 sources) and a software interrupt
(SWI).
For details of each interrupt, see the following chapters:
Chapter 7, “Time Base Counter”
Chapter 9, “1 kHz Timer”
Chapter 10, “Timer”
Chapter 11, “PWM”
Chapter 12, “Watchdog Timer”
Chapter 13, “Synchronous Serial Port”
Chapter 14, “UART”
Chapter 15, “I
2
C Bus Interface”
Chapter 16, “NMI”
Chapter 17, “Port0”
Chapter 18, “Port1”
Chapter 19, “Port2”
Chapter 20, “Port3”
Chapter 23, “Melody Driver”
Chapter 24, “RC Oscillation Type A/D Converter”
Chapter 25, “Successive Approximation Type A/D Converter”
5.1.1 Features
•
2 non-maskable interrupt sources (Internal source: 1, External source: 1)
•
20 maskable interrupt sources (Internal sources: 16, External sources: 4)
•
Software interrupt (SWI): 64 sources max.
•
External interrupts allow edge selection and sampling selection.