Analog Devices ADSP-SC58 Series Hardware Reference Manual page 1244

ADSP-SC58x CAN Register Descriptions
Abort Acknowledge 1 Register
The register indicates a transmission abort (due to lost arbitration or a CAN error) for mailboxes 8
CAN_AA1
through 15. Each bit in this register indicates a transmission abort for the corresponding mailbox when set (=1). Bits
0 through 7 are read-only, as the corresponding mailboxes are receive-only mailboxes.
Figure 25-13: CAN_AA1 Register Diagram
Table 25-8: CAN_AA1 Register Fields
Bit No.
(Access)
15:8 MB
(R/W1C)
25–28
15 14 13
0 0 0
MB (R/W1C)
Mailbox n Abort Acknowledge
Bit Name
Mailbox n Abort Acknowledge.
ADSP-SC58x/ADSP-2158x SHARC+ Processor Hardware Reference
12 11 10 9 8 7 6 5
0 0 0 0 0 0 0 0
Description/Enumeration
4 3 2 1 0
0 0 0 0 0