Rainbow Electronics AT91CAP9S250A - Manual (Page 708)

708
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
is frozen. The TOVF bit in the CAN_SR register is cleared by reading the CAN_SR register.
Depending on the corresponding interrupt mask in the CAN_IMR register, an interrupt is gen-
erated when TOVF is set.
Figure 39-21. Time Triggered Operations
MRDY
(CAN_MSRlast_mailbox_number)
CAN_TIM
CAN BUS
MRDY
(CAN_MSRx)
End of Frame
Timer Event x MTIMEMARKx == CAN_TIM
Timer Event y
MRDY
(CAN_MSRy)
MTIMEMARKy == CAN_TIM
Cleared by software
Internal Counter Reset
Message x
Arbitration Lost Message y
Arbitration Win
Reference
Message
Message y
MRDY
(CAN_MSRlast_mailbox_number)
CAN_TIM
CAN BUS
MRDY
(CAN_MSRx)
End of Frame
Timer Event x MTIMEMARKx == CAN_TIM
Cleared by software
Internal Counter Reset
Message x
Arbitration Win
Reference
Message
Message x
Basic Cycle
Time Window
Basic Cycle
Time Window