PIC32MX440F256H-80I Datasheet, PDF (139/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
REGISTER 8-5:
r-x
—
bit 31
IFS1: INTERRUPT FLAG STATUS REGISTER 1
r-x
r-x
r-x
r-x
r-x
—
—
—
—
—
R/W-0
USBIF
R/W-0
FCEIF
bit 24
r-x
—
bit 23
r-x
r-x
r-x
R/W-0
R/W-0
R/W-0
R/W-0
—
—
—
DMA3IF
DMA2IF
DMA1IF
DMA0IF
bit 16
R/W-0
RTCCIF
bit 15
R/W-0
FSCMIF
R/W-0
I2C2MIF
R/W-0
I2C2SIF
R/W-0
I2C2BIF
R/W-0
U2TXIF
R/W-0
U2RXIF
R/W-0
U2EIF
bit 8
R/W-0
SPI2RXIF
bit 7
R/W-0
SPI2TXIF
R/W-0
SPI2EIF
R/W-0
CMP2IF
R/W-0
CMP1IF
R/W-0
PMPIF
R/W-0
AD1IF
R/W-0
CNIF
bit 0
Legend:
R = Readable bit
U = Unimplemented bit
W = Writable bit
P = Programmable bit
-n = Bit value at POR (‘0’, ‘1’, x = Unknown)
r = Reserved bit
bit 31-26
bit 25
bit 24
bit 23-20
bit 19
bit 18
bit 17
bit 16
bit 15
bit 14
Reserved: Write ‘0’; ignore read
USBIF: USB Interrupt Request Flag bit
1 = Interrupt request has occurred
0 = No interrupt request has a occurred
FCEIF: Flash Control Event Interrupt Flag bit
1 = Interrupt request has occurred
0 = No interrupt request has a occurred
Reserved: Write ‘0’; ignore read
DMA3IF: DMA3 Interrupt Request Flag bit
1 = Interrupt request has occurred
0 = No interrupt request has a occurred
DMA2IF: DMA2 Interrupt Request Flag bit
1 = Interrupt request has occurred
0 = No interrupt request has a occurred
DMA1IF: DMA1 Interrupt Request Flag bit
1 = Interrupt request has occurred
0 = No interrupt request has a occurred
DMA0IF: DMA0 Interrupt Request Flag bit
1 = Interrupt request has occurred
0 = No interrupt request has a occurred
RTCCIF: Real Time Clock Interrupt Flag bit
1 = Interrupt request has occurred
0 = No interrupt request has a occurred
FSCMIF: Fail-Safe Clock Monitor Interrupt Flag bit
1 = Interrupt request has occurred
0 = No interrupt request has a occurred
© 2008 Microchip Technology Inc.
Preliminary
DS61143E-page 137