Freescale Semiconductor MPC5200B User Manual
Page 655
MPC5200B Users Guide, Rev. 1
19-16
Freescale Semiconductor
Memory Map / Register Definition
19.5.14
MSCAN ID Acceptance Control Register (CANIDAC)—MBAR + 0x0915 / 0x0995
READ: Anytime
WRITE: Anytime in Initialization Mode (INITRQ = 1 and INITAK =1)
Table 19-17. MSCAN ID Acceptance Control Register
msb 0
1
2
3
4
5
6
7 lsb
R
Reserved
IDAM[1:0]
Rsvd
IDHIT[2:0]
W
RESET:
0
0
0
0
0
0
0
0
Bit
Name
Description
0:1
—
Reserved
2:3
IDAM[1:0]
Identifier Acceptance Mode—CPU sets these flags to define the identifier acceptance filter
organization. In filter closed mode, no message is accepted such that the foreground buffer
is never reloaded. See
.
4
—
Reserved
5:7
IDHIT[2:0]
Identifier Acceptance Hit Indicator—MSCAN sets these flags to indicate an identifier
acceptance hit. See
.
Table 19-18. Identifier Acceptance Hit Indication
IDHIT2
IDHIT1
IDHIT0
Identifier Acceptance Hit
0
0
0
Filter 0 Hit
0
0
1
Filter 1 Hit
0
1
0
Filter 2 Hit
0
1
1
Filter 3 Hit
1
0
0
Filter 4 Hit
1
0
1
Filter 5 Hit
1
1
0
Filter 6 Hit
1
1
1
Filter 7 Hit
Table 19-19. Identifier Acceptance Mode Settings
IDAM1
IDAM0
Identifier Acceptance Mode
0
0
Two 32-bit Acceptance Filters
0
1
Four 16-bit Acceptance Filters
1
0
Eight 8-bit Acceptance Filters
1
1
Filter Closed