38.13.25 CxFLTCON0

CAN Filter Control Register 0

Note:

The individual bytes in this multibyte register can be accessed with the following register names:
- CxFLTCON0T: Accesses the top byte FLTCON0[31:24]
- CxFLTCON0U: Accesses the upper byte FLTCON0[23:16]
- CxFLTCON0H: Accesses the high byte FLTCON0[15:8]
- CxFLTCON0L: Accesses the low byte FLTCON0[7:0]

Name:	CxFLTCON0
Offset:	0x0180


Bit	31	30	29	28	27	26	25	24
	FLTEN3			F3BP[4:0]
Access	R/W			R/W	R/W	R/W	R/W	R/W
Reset	0			0	0	0	0	0


Bit	23	22	21	20	19	18	17	16
	FLTEN2			F2BP[4:0]
Access	R/W			R/W	R/W	R/W	R/W	R/W
Reset	0			0	0	0	0	0


Bit	15	14	13	12	11	10	9	8
	FLTEN1			F1BP[4:0]
Access	R/W			R/W	R/W	R/W	R/W	R/W
Reset	0			0	0	0	0	0


Bit	7	6	5	4	3	2	1	0
	FLTEN0			F0BP[4:0]
Access	R/W			R/W	R/W	R/W	R/W	R/W
Reset	0			0	0	0	0	0

Bit 31 – FLTEN3 Enable Filter 3 to Accept Messages

Value	Description
1	Filter is enabled
0	Filter is disabled

Bits 28:24 – F3BP[4:0] Pointer to FIFO when Filter 3 Hits

Value	Description
11111-00100	Reserved
00011	Message matching filter is stored in FIFO 3
00010	Message matching filter is stored in FIFO 2
00001	Message matching filter is stored in FIFO 1
00000	Reserved, FIFO 0 is the TX Queue and cannot receive messages

Bit 23 – FLTEN2 Enable Filter 2 to Accept Messages

Value	Description
1	Filter is enabled
0	Filter is disabled

Bits 20:16 – F2BP[4:0] Pointer to FIFO when Filter 2 Hits

Value	Description
11111-00100	Reserved
00011	Message matching filter is stored in FIFO 3
00010	Message matching filter is stored in FIFO 2
00001	Message matching filter is stored in FIFO 1
00000	Reserved, FIFO 0 is the TX Queue and cannot receive messages

Bit 15 – FLTEN1 Enable Filter 1 to Accept Messages

Value	Description
1	Filter is enabled
0	Filter is disabled

Bits 12:8 – F1BP[4:0] Pointer to FIFO when Filter 1 Hits

Value	Description
11111-00100	Reserved
00011	Message matching filter is stored in FIFO 3
00010	Message matching filter is stored in FIFO 2
00001	Message matching filter is stored in FIFO 1
00000	Reserved, FIFO 0 is the TX Queue and cannot receive messages

Bit 7 – FLTEN0 Enable Filter 0 to Accept Messages

Value	Description
1	Filter is enabled
0	Filter is disabled

Bits 4:0 – F0BP[4:0] Pointer to FIFO when Filter 0 Hits

Value	Description
11111-00100	Reserved
00011	Message matching filter is stored in FIFO 3
00010	Message matching filter is stored in FIFO 2
00001	Message matching filter is stored in FIFO 1
00000	Reserved, FIFO 0 is the TX Queue and cannot receive messages

The individual bytes in this multibyte register can be accessed with the following register names: CxFLTCON0T: Accesses the top byte FLTCON0[31:24] CxFLTCON0U: Accesses the upper byte FLTCON0[23:16] CxFLTCON0H: Accesses the high byte FLTCON0[15:8] CxFLTCON0L: Accesses the low byte FLTCON0[7:0]