upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 750

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

Chapter 19
750
Figure 19-39
Note
Figure 19-39 shows the processing for a transmit message buffer
(CnMCONFm.MT2 to CnMCONFm.MT0 bits = 000B)
Message transmit processing (normal operation mode with ABT)
This processing (normal operation mode with ABT) can only be applied to
message buffers 0 to 7. For message buffers other than the ABT message
buffers, see Figure 19-38 on page 749.
Preliminary User’s Manual U17566EE1V2UM00
Clear RTR bit of
CnMDATAxm register,
CnMDLCm register, and
CnMCONFm register.
Set CnMIDLm and
CnMIDHm registers.
Clear ABTTRG
Set ABTTRG
Clear RDY
Clear RDY
ABTTRG
Set ABTTRG bit.
Set RDY
Set RDY
Clear RDY bit.
RDY
Set RDY bit.
Start
bit
END
Yes
bit
= 0?
Yes
bit
bit
bit
bit
= 0?
bit
= 0
= 1
= 1
bit
= 0
= 1
= 0
No
No
CAN Controller (CAN)