Microchip Technology MA240017 数据表
2008-2011 Microchip Technology Inc.
DS39927C-page 71
PIC24F16KA102 FAMILY
REGISTER 8-5:
IFS0: INTERRUPT FLAG STATUS REGISTER 0
R/W-0, HS
U-0
R/W-0, HS
R/W-0, HS
R/W-0, HS
R/W-0, HS
R/W-0, HS
R/W-0, HS
NVMIF
—
AD1IF
U1TXIF
U1RXIF
SPI1IF
SPF1IF
T3IF
bit 15
bit 8
R/W-0, HS
U-0
U-0
U-0
R/W-0, HS
R/W-0, HS
R/W-0, HS
R/W-0, HS
T2IF
—
—
—
T1IF
OC1IF
IC1IF
INT0IF
bit 7
bit 0
Legend:
HS = Hardware Settable bit
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15
NVMIF:
NVM Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 14
Unimplemented:
Read as ‘0’
bit 13
AD1IF:
A/D Conversion Complete Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 12
U1TXIF:
UART1 Transmitter Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 11
U1RXIF:
UART1 Receiver Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 10
SPI1IF:
SPI1 Event Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 9
SPF1IF:
SPI1 Fault Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 8
T3IF:
Timer3 Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 7
T2IF:
Timer2 Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 6-4
Unimplemented:
Read as ‘0’
bit 3
T1IF:
Timer1 Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 2
OC1IF:
Output Compare Channel 1 Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 1
IC1IF:
Input Capture Channel 1 Interrupt Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred
bit 0
INT0IF:
External Interrupt 0 Flag Status bit
1
= Interrupt request has occurred
0
= Interrupt request has not occurred