upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 676

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

Note: Check the MUC and DN bits using one read access.
676
Read CnMDATAxm, CnMDLCm,
CnMIDLm, CnMIDHm registers.
Read CnRGPT register.
Clear CINTS1 bit = 1
Clear ROVF bit = 1
ClearCINTS1 bit.
Clear DN bit = 1
Clear ROVF bit.
CINTS1 = 1?
Clear DN bit.
Yes
ROVF = 1?
Figure 16-73: Reception via Software Polling
START
Yes
Chapter 16 FCAN Controller
User’s Manual U16702EE3V2UD00
No
No
and MUC = 0
RHPM = 1?
DN = 0
END
Yes
Yes
Note
No
No