AT89C51CC02CA-TDSUM ATMEL [ATMEL Corporation], AT89C51CC02CA-TDSUM Datasheet - Page 87

• Manufacturer Part Number: AT89C51CC02CA-TDSUM
• Description: Enhanced 8-bit Microcontroller with CAN Controller and Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Acceptance Filter
4126J–CAN–05/06
Upon a reception hit (i.e., a good comparison between the ID+RTR+RB+IDE received
and an ID+RTR+RB+IDE specified while taking the comparison mask into account) the
ID+RTR+RB+IDE received are written over the ID TAG Registers.
ID => IDT0-29
RTR => RTRTAG
RB => RB0-1TAG
IDE => IDE in CANCONCH register
Figure 43. Acceptance Filter Block Diagram
example:
To accept only ID = 318h in part A.
ID MSK = 111 1111 1111 b
ID TAG = 011 0001 1000 b
RxDC
ID TAG Registers (Ch i) & CanConch
Rx Shift Register (internal)
ID & RB
13/32
ID & RB
13/32
Write
Enable
13/32
RTR
RTR
=
IDE
IDE
1
AT/T89C51CC02
ID MSK Registers (Ch i)
13/32
ID & RB
13/32
RTR
IDE
(Ch i)
Hit
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