Cim – Central Interrupt Module Registers Reference - Texas Instruments UCD3138 Technical Reference Manual

CIM – Central Interrupt Module Registers Reference
CIM Registers have the following attributes:
• 32-bit width
• Addresses placed on word boundaries
• Byte, half-word and word writes permitted
• All Registers have read/write access in any mode
• Interrupt Mask and FIQ/IRQ Program Control Registers are writeable in privilege mode only. A write in
user mode to these Registers causes a peripheral illegal access exception.
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Topic
18.1 IRQ Index Offset Vector Register (IRQIVEC)
18.2 FIQ Index Offset Vector Register (FIQIVEC)
18.3 FIQ/IRQ Program Control Register (FIRQPR)
18.4 Pending Interrupt Read Location Register (INTREQ)
18.5 Interrupt Mask Register (REQMASK)
SNIU028A – February 2016 – Revised April 2016
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Copyright © 2016, Texas Instruments Incorporated
SNIU028A – February 2016 – Revised April 2016
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CIM – Central Interrupt Module Registers Reference
Chapter 18
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