MC68HC08AZ32A Datasheet, PDF (368/456 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
MSCAN08 Controller (MSCAN08)
Table 20-9. Identifier Acceptance Mode Settings
IDAM1
0
0
1
1
IDAM0
0
1
0
1
Identifier Acceptance Mode
Single 32-Bit Acceptance Filter
Two 16-Bit Acceptance Filter
Four 8-Bit Acceptance Filters
Filter Closed
IDHIT1–IDHIT0— Identifier Acceptance Hit Indicator
The MSCAN08 sets these flags to indicate an identifier acceptance hit
(see Identifier Acceptance Filter on page 330). Table 20-9
summarizes the different settings.
Table 20-10. Identifier Acceptance Hit Indication
IDHIT1
0
0
1
1
IDHIT0
0
1
0
1
Identifier Acceptance Hit
Filter 0 Hit
Filter 1 Hit
Filter 2 Hit
Filter 3 Hit
The IDHIT indicators are always related to the message in the
foreground buffer. When a message gets copied from the background to
the foreground buffer, the indicators are updated as well.
NOTE: The CIDAC register can be written only if the SFTRES bit in the CMCR0
is set.
Technical Data
368
MC68HC08AZ32A — Rev 1.0
MSCAN08 Controller (MSCAN08)
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA