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)

Table19-17. MSCAN ID Acceptance Control Register

msb 01234567 lsb
RReserved IDAM[1:0] Rsvd IDHIT[2:0]
W
RESET:00000000
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 Table19-19.
4—Reserved
5:7 IDHIT [2:0] Identifier Acceptance Hit Indicator—MSCAN sets these flags to indicate an identifier
acceptance hit. See Table19-18.

Table19-18. Identifier Acceptance Hit Indication

IDHIT2 IDHIT1 IDHIT0 Identifier Acceptance Hit
000Filter 0 Hit
001Filter 1 Hit
010Filter 2 Hit
011Filter 3 Hit
100Filter 4 Hit
101Filter 5 Hit
110Filter 6 Hit
111Filter 7 Hit

Table1 9-19. 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