Datasheet

PIC32MX5XX/6XX/7XX
DS60001156H-page 262  2009-2013 Microchip Technology Inc.
REGISTER 23-4: CiVEC: CAN INTERRUPT CODE REGISTER
Bit
Range
Bit
31/23/15/7
Bit
30/22/14/6
Bit
29/21/13/5
Bit
28/20/12/4
Bit
27/19/11/3
Bit
26/18/10/2
Bit
25/17/9/1
Bit
24/16/8/0
31:24
U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
— — — — — — — —
23:16
U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
— — — — — — — —
15:8
U-0 U-0 U-0 R-0 R-0 R-0 R-0 R-0
— — — FILHIT<4:0>
7:0
U-0 R-1 R-0 R-0 R-0 R-0 R-0 R-0
—ICODE<6:0>
(1)
Legend:
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 31-13 Unimplemented: Read as ‘0’
bit 12-8 FILHIT<4:0>: Filter Hit Number bit
11111 = Filter 31
11110 = Filter 30
•
•
•
00001 = Filter 1
00000 = Filter 0
bit 7 Unimplemented: Read as ‘0’
bit 6-0 ICODE<6:0>: Interrupt Flag Code bits
(1)
1111111 = Reserved
•
•
•
1001001 = Reserved
1001000 = Invalid message received (IVRIF)
1000111 = CAN module mode change (MODIF)
1000110 = CAN timestamp timer (CTMRIF)
1000101 = Bus bandwidth error (SERRIF)
1000100 = Address error interrupt (SERRIF)
1000011 = Receive FIFO overflow interrupt (RBOVIF)
1000010 = Wake-up interrupt (WAKIF)
1000001 = Error Interrupt (CERRIF)
1000000 = No interrupt
0111111 = Reserved
•
•
•
0100000 = Reserved
0011111 = FIFO31 Interrupt (CiFSTAT<31> set)
0011110 = FIFO30 Interrupt (CiFSTAT<30> set)
•
•
•
0000001 = FIFO1 Interrupt (CiFSTAT<1> set)
0000000 = FIFO0 Interrupt (CiFSTAT<0> set)
Note 1: These bits are only updated for enabled interrupts.