upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 759
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upd70f3422gj-gae-qs-ax
Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3422GJ-GAE-QS-AX.pdf
(930 pages)
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CAN Controller (CAN)
Figure 19-48
Read CnMDATAxm,
CnMDLCm,
CnMIDLm, and
CnMIDHm registers.
Note
Read CnRGPT register.
Clear CINTS1 bit = 1
Clear ROVF bit = 1
Clear CINTS1 bit.
CINTS1 bit = 1?
Clear DN bit = 1
Clear ROVF bit.
ROVF bit = 1?
Clear DN bit.
Yes
Start
Reception via software polling
Check the MUC and DN bits using one read access.
Preliminary User’s Manual U17566EE1V2UM00
Yes
No
No
MUC bit = 0
RHPM bit = 1?
DN bit = 0
END
and
Yes
Yes
Note
No
No
Chapter 19
759
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