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MB90330A Datasheet(PDF) 75 Page - Fujitsu Component Limited. |
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MB90330A Datasheet(HTML) 75 Page - Fujitsu Component Limited. |
75 / 120 page MB90330A Series 75 14. Interrupt controller The interrupt control register is located inside the interrupt controller; it exists for every I/O having an interrupt function. This register has the following functions. • Setting of the interrupt levels of relevant resources • Register list Note : Do not access interrupt control registers using any read modify write instruction because it causes a malfunction. • Block Diagram Interrupt control register (ICR01, ICR03, ICR05, ICR07, ICR09, ICR11, ICR13, ICR15) Interrupt control register (ICR00, ICR02, ICR04, ICR06, ICR08, ICR10, ICR12, ICR14) bit Initial Value 00000111B Address : ICR01 : 0000B1H ICR03 : 0000B3H ICR05 : 0000B5H ICR07 : 0000B7H ICR09 : 0000B9H ICR11 : 0000BBH ICR13 : 0000BDH ICR15 : 0000BFH bit Initial Value 00000111B Address : ICR00 : 0000B0H ICR02 : 0000B2H ICR04 : 0000B4H ICR06 : 0000B6H ICR08 : 0000B8H ICR10 : 0000BAH ICR12 : 0000BCH ICR14 : 0000BEH ( W ) ( W ) ( W ) ( R/W ) ( R/W ) ( R/W ) ( R/W ) 15 14 13 12 11 10 9 8 ICS2 ( W ) ICS3 ICS1 ICS0 IL2 IL1 IL0 ISE ( W ) ( W ) ( W ) ( R/W ) ( R/W ) ( R/W ) ( R/W ) 76 5 4 3 2 1 0 ICS2 ( W ) ICS3 ICS1 ICS0 IL2 IL1 IL0 ISE IL2 IL1 IL0 32 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 Determine priority of interrupt Interrupt request (peripheral resource) (CPU) Interrupt level |
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