38.13.26 CxFLTCON1

CAN Filter Control Register 1

Note:

The individual bytes in this multibyte register can be accessed with the following register names:
- CxFLTCON1T: Accesses the top byte FLTCON1[31:24]
- CxFLTCON1U: Accesses the upper byte FLTCON1[23:16]
- CxFLTCON1H: Accesses the high byte FLTCON1[15:8]
- CxFLTCON1L: Accesses the low byte FLTCON1[7:0]

Name:	CxFLTCON1
Offset:	0x0184


Bit	31	30	29	28	27	26	25	24
	FLTEN7			F7BP[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
	FLTEN6			F6BP[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
	FLTEN5			F5BP[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
	FLTEN4			F4BP[4:0]
Access	R/W			R/W	R/W	R/W	R/W	R/W
Reset	0			0	0	0	0	0

Bit 31 – FLTEN7 Enable Filter 7 to Accept Messages

Value	Description
1	Filter is enabled
0	Filter is disabled

Bits 28:24 – F7BP[4:0] Pointer to FIFO when Filter 7 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 – FLTEN6 Enable Filter 6 to Accept Messages

Value	Description
1	Filter is enabled
0	Filter is disabled

Bits 20:16 – F6BP[4:0] Pointer to FIFO when Filter 6 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 – FLTEN5 Enable Filter 5 to Accept Messages

Value	Description
1	Filter is enabled
0	Filter is disabled

Bits 12:8 – F5BP[4:0] Pointer to FIFO when Filter 5 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 – FLTEN4 Enable Filter 4 to Accept Messages

Value	Description
1	Filter is enabled
0	Filter is disabled

Bits 4:0 – F4BP[4:0] Pointer to FIFO when Filter 4 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: CxFLTCON1T: Accesses the top byte FLTCON1[31:24] CxFLTCON1U: Accesses the upper byte FLTCON1[23:16] CxFLTCON1H: Accesses the high byte FLTCON1[15:8] CxFLTCON1L: Accesses the low byte FLTCON1[7:0]