upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 765

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

CAN Controller (CAN)
Figure 19-54
Error handling
Preliminary User’s Manual U17566EE1V2UM00
Check CAN protocol error state.
Check CAN module state.
(read CnINFO register)
(read CnLEC register)
Clear CINTS3 bit = 1
Clear CINTS2 bit = 1
Clear CINTS3 bit.
Clear CINTS2 bit.
CINTS2 bit = 1?
CINTS3 bit = 1?
Error interrupt
START
Yes
Yes
No
No
Clear CINTS4 bit = 1
Clear CINTS4 bit.
CINTS4 bit = 1?
END
Yes
Chapter 19
No
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