Filter
Top Products
329
Chapter 25 External Interrupt
7.Q & A
7.3 What interrupt registers are used?
Setting of interrupt vectors of external interrupts, and interrupt levels
The relationship among external interrupt numbers, interrupt levels, and vectors is shown in the table below.
See “Chapter 24 Interrupt Control (Page No.311)” about the details of interrupt levels and interrupt vectors.
7.4 Interrupt types
Interrupt causes are limited to external interrupts. There is no bit for selection.
Interrupt vectors (default) Interrupt level setting bits (ICR[4:0])
INT0
#16
Address: 0FFFBCh
Interrupt level register (ICR00)
Address: 00440h
INT1
#17
Address: 0FFFB8h
INT2
#18
Address: 0FFFB4h
Interrupt level register (ICR01)
Address: 00441h
INT3
#19
Address: 0FFFB0h
INT4
#20
Address: 0FFFACh
Interrupt level register (ICR02)
Address: 00442h
INT5
#21
Address: 0FFFA8h
INT6
#22
Address: 0FFFA4h
Interrupt level register (ICR03)
Address: 00443h
INT7
#23
Address: 0FFFA0h
INT8
#24
Address: 0FFF9Ch
Interrupt level register (ICR04)
Address: 00444h
INT9
#25
Address: 0FFF98h
INT10
#26
Address: 0FFF94h
Interrupt level register (ICR05)
Address: 00445h
INT11
#27
Address: 0FFF90h
INT12
#28
Address: 0FFF8Ch
Interrupt level register (ICR06)
Address: 00446h
INT13
#29
Address: 0FFF88h
INT14
#30
Address: 0FFF84h
Interrupt level register (ICR07)
Address: 00447h
INT15
#31
Address: 0FFF80h