70291E Datasheet, PDF (97/436 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
REGISTER 7-3: INTCON1: INTERRUPT CONTROL REGISTER 1
R/W-0
NSTDIS
bit 15
R/W-0
OVAERR
R/W-0
R/W-0
R/W-0
OVBERR COVAERR COVBERR
R/W-0
OVATE
R/W-0
OVBTE
R/W-0
COVTE
bit 8
R/W-0
SFTACERR
bit 7
R/W-0
R/W-0
R/W-0
R/W-0
DIV0ERR DMACERR MATHERR ADDRERR
R/W-0
STKERR
R/W-0
OSCFAIL
U-0
—
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
bit 7
bit 6
bit 5
bit 4
NSTDIS: Interrupt Nesting Disable bit
1 = Interrupt nesting is disabled
0 = Interrupt nesting is enabled
OVAERR: Accumulator A Overflow Trap Flag bit
1 = Trap was caused by overflow of Accumulator A
0 = Trap was not caused by overflow of Accumulator A
OVBERR: Accumulator B Overflow Trap Flag bit
1 = Trap was caused by overflow of Accumulator B
0 = Trap was not caused by overflow of Accumulator B
COVAERR: Accumulator A Catastrophic Overflow Trap Flag bit
1 = Trap was caused by catastrophic overflow of Accumulator A
0 = Trap was not caused by catastrophic overflow of Accumulator A
COVBERR: Accumulator B Catastrophic Overflow Trap Flag bit
1 = Trap was caused by catastrophic overflow of Accumulator B
0 = Trap was not caused by catastrophic overflow of Accumulator B
OVATE: Accumulator A Overflow Trap Enable bit
1 = Trap overflow of Accumulator A
0 = Trap disabled
OVBTE: Accumulator B Overflow Trap Enable bit
1 = Trap overflow of Accumulator B
0 = Trap disabled
COVTE: Catastrophic Overflow Trap Enable bit
1 = Trap on catastrophic overflow of Accumulator A or B enabled
0 = Trap disabled
SFTACERR: Shift Accumulator Error Status bit
1 = Math error trap was caused by an invalid accumulator shift
0 = Math error trap was not caused by an invalid accumulator shift
DIV0ERR: Arithmetic Error Status bit
1 = Math error trap was caused by a divide by zero
0 = Math error trap was not caused by a divide by zero
DMACERR: DMA Controller Error Status bit
1 = DMA controller error trap has occurred
0 = DMA controller error trap has not occurred
MATHERR: Arithmetic Error Status bit
1 = Math error trap has occurred
0 = Math error trap has not occurred
© 2011 Microchip Technology Inc.
DS70291E-page 97