843
Chapter 18
AFCAN Controller
User’s Manual U16580EE3V1UD00
Figure 18-38:
Message buffer redefinition
Notes: 1.
Confirm that a message is being received because RDY bit must be set after a message is
completely received.
2.
Avoid message buffer redefinition during store operation of message reception by waiting
additional 4 CAN data bits.
<~Reference>Figure 18-39 shows the processing for a transmit message buffer during transmission
(MT[2:0] bits of CnMCONFm register = 000B).
START
Set
message buffers
END
RDY = 1?
No
Yes
Clear RDY bit
RDY = 0?
RSTAT = 0 or
VALID = 1?
Note1
No
Clear VALID bit
Set RDY bit
Yes
Yes
No
Wait for 4 CAN data bits
Note2
START
Set
message buffers
END
RDY = 1?
No
Yes
Clear RDY bit
RDY = 0?
RSTAT = 0 or
VALID = 1?
Note1
No
Clear VALID bit
Set RDY bit
Yes
Yes
No
Wait for 4 CAN data bits
Note2
Summary of Contents for MuPD70F3187
Page 6: ...6 Preface User s Manual U16580EE3V1UD00 ...
Page 16: ...16 User s Manual U16580EE3V1UD00 ...
Page 28: ...28 User s Manual U16580EE3V1UD00 ...
Page 32: ...32 User s Manual U16580EE3V1UD00 ...
Page 84: ...84 Chapter 2 Pin Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 144: ...144 Chapter 3 CPU Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO ...
Page 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
Page 969: ...969 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 970: ...970 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 ...
Page 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Page 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
Page 1006: ...1006 Chapter 24 Flash Memory User s Manual U16580EE3V1UD00 MEMO ...
Page 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
Page 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO ...
Page 1052: ...1052 User s Manual U16580EE3V1UD00 ...
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