MC68HC908AZ32ACFU MOTOROLA [Motorola, Inc], MC68HC908AZ32ACFU Datasheet - Page 441

• Manufacturer Part Number: MC68HC908AZ32ACFU
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

24.14.13 MSCAN08 Identifier Mask Registers (CIDMR0-3)
68HC908AZ32A — Rev 0.0
MOTOROLA
CIDMRO
CIDMR1
CIDMR2
CIDMR3
The identifier mask registers specify which of the corresponding bits in
the identifier acceptance register are relevant for acceptance filtering.
For standard identifiers it is required to program the last three bits (AM2-
AM0) in the mask register CIDMR1 to ‘don’t care’.
AM7–AM0 — Acceptance Mask Bits
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Freescale Semiconductor, Inc.
If a particular bit in this register is cleared, this indicates that the
corresponding bit in the identifier acceptance register must be the
same as its identifier bit before a match will be detected. The
message will be accepted if all such bits match. If a bit is set, it
Figure 24-27. Identifier Mask Registers (CIDMR0–CIDMR3)
For More Information On This Product,
AM7
AM7
AM7
AM7
Bit 7
Bit 7
Bit 7
Bit 7
Address: $0514
Address: $0515
Address: $0516
Address: $0517
MSCAN Controller (MSCAN08)
Go to: www.freescale.com
AM6
AM6
AM6
AM6
6
6
6
6
AM5
AM5
AM5
AM5
5
5
5
5
Unaffected by Reset
Unaffected by Reset
Unaffected by Reset
Unaffected by Reset
AM4
AM4
AM4
AM4
4
4
4
4
Programmer’s Model of Control Registers
AM3
AM3
AM3
AM3
3
3
3
3
MSCAN Controller (MSCAN08)
AM2
AM2
AM2
AM2
2
2
2
2
Advance Information
AM1
AM1
AM1
AM1
1
1
1
1
AM0
AM0
AM0
AM0
Bit 0
Bit 0
Bit 0
Bit 0
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