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MCM_ISR field descriptions (continued)
Field
Description
26
FOFCE
FPU overflow interrupt enable
0
Disable interrupt
1
Enable interrupt
25
FDZCE
FPU divide-by-zero interrupt enable
0
Disable interrupt
1
Enable interrupt
24
FIOCE
FPU invalid operation interrupt enable
0
Disable interrupt
1
Enable interrupt
23–16
Reserved
This field is reserved.
15
FIDC
FPU input denormal interrupt status
This read-only bit is a copy of the core’s FPSCR[IDC] bit and signals input denormalized number has been
detected in the processor’s FPU. Once set, this bit remains set until software clears the FPSCR[IDC] bit.
0
No interrupt
1
Interrupt occurred
14–13
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
12
FIXC
FPU inexact interrupt status
This read-only bit is a copy of the core’s FPSCR[IXC] bit and signals an inexact number has been
detected in the processor’s FPU. Once set, this bit remains set until software clears the FPSCR[IXC] bit.
0
No interrupt
1
Interrupt occurred
11
FUFC
FPU underflow interrupt status
This read-only bit is a copy of the core’s FPSCR[UFC] bit and signals an underflow has been detected in
the processor’s FPU. Once set, this bit remains set until software clears the FPSCR[UFC] bit.
0
No interrupt
1
Interrupt occurred
10
FOFC
FPU overflow interrupt status
This read-only bit is a copy of the core’s FPSCR[OFC] bit and signals an overflow has been detected in
the processor’s FPU. Once set, this bit remains set until software clears the FPSCR[OFC] bit.
0
No interrupt
1
Interrupt occurred
9
FDZC
FPU divide-by-zero interrupt status
This read-only bit is a copy of the core’s FPSCR[DZC] bit and signals a divide by zero has been detected
in the processor’s FPU. Once set, this bit remains set until software clears the FPSCR[DZC] bit.
0
No interrupt
1
Interrupt occurred
Table continues on the next page...
Memory map/register descriptions
KV4x Reference Manual, Rev. 2, 02/2015
290
Preliminary
Freescale Semiconductor, Inc.
Summary of Contents for freescale KV4 Series
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