upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 752

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

Chapter 19
752
Clear RTR bit of
CnMDATAxm register,
CnMDLCm register, and
CnMCONFm register.
Set CnMIDLm and
CnMIDHm registers.
Figure 19-41
Data frame
Caution
No
Transmission via interrupt (using CnTGPT register)
The TRQ bit should be set after the RDY bit is set.
The RDY bit and TRQ bit should not be set at the same time.
Preliminary User’s Manual U17566EE1V2UM00
Read CnTGPT register.
Transmit completion
interrupt processing
Clear TOVF
Clear RDY
Clear TOVF bit.
Set RDY
remote frame?
TOVF
Clear RDY bit.
RDY
Data frame
START
bit
or
bit
Yes
Yes
bit
= 0?
= 1?
bit
bit
= 0
= 1
= 1
No
Remote frame
Set RTR bit of CnMDLCm
register and CnMCONFm
register.
Set CnMIDLm and
CnMIDHm registers.
Clear RDY
Clear RDY
CAN Controller (CAN)
Set RDY
Set RDY
THPM
Set TRQ bit.
Set RDY bit.
END
bit
bit
bit
Yes
bit
bit
= 1?
= 1
= 1
= 0
= 0
No