CONTROLLER AREA NETWORK (bxCAN)
CONTROLLER AREA NETWORK (Cont’d)
10.10.6 Interrupts
Four interrupt vectors are dedicated to bxCAN.
Each interrupt source can be independently ena-
bled or disabled by means of the CAN Interrupt
Enable Register (CIER) and CAN Error Interrupt
Enable register (CEIER).
Figure 154. Event flags and Interrupt Generation
TXMB 0
TXMB 1
TXMB 2
RQCP
RQCP
RQCP
CIER
TRANSMIT
+
TMEIE
&
INTERRUPT
FMP
FULL
FOVR
FMP
FULL
FOVR
FMPIE
&
FFIE
&
FOVIE
&
FMPIE
&
FFIE
&
FOVIE
&
FIFO 0
INTERRUPT
+
FIFO 1
INTERRUPT
+
EWGF
EWGIE
&
EPVF
EPVIE
&
ERRIE
+
&
BOFF
BOFIE
&
STATUS CHANGE
LECIEF
LECIE
&
ERROR
INTERRUPT
+
WKUI
WKUIE
&
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