804
Chapter 18
AFCAN Controller
User’s Manual U16580EE3V1UD00
(23) CnMCTRLm - CANn message control register m
The CnMCTRLm register is used to control the operation of the message buffer.
(a) Read
Note:
The MUC bit is undefined until the first reception and storage is performed.
Note:
The MOW bit is not set to 1 even if a remote frame is received and stored in the transmit mes-
sage buffer with the DN bit = 1.
After reset: 00x000000
00000000B
R/W
Address: refer to
15
14
13
12
11
10
9
8
CnMCTRLm
0
0
MUC
0
0
0
0
0
7
6
5
4
3
2
1
0
0
0
0
MOW
IE
DN
TRQ
RDY
MUC
Note
Bit indicating that message buffer data is being updated
0
The CAN module is not updating the message buffer (reception and
storage).
1
The CAN module is updating the message buffer (reception and
storage).
MOW
Note
Message buffer overwrite status bit
0
The message buffer is not overwritten by a newly received data frame.
1
The message buffer is overwritten by a newly received data frame.
IE
Message buffer interrupt request enable bit
0
Receive message buffer: Valid message reception completion interrupt
disabled.
Transmit message buffer: Normal message transmission completion
interrupt disabled.
1
Receive message buffer: Valid message reception completion interrupt
enabled.
Transmit message buffer: Normal message transmission completion
interrupt enabled.
DN
Message buffer data update bit
0
A data frame or remote frame is not stored in the message buffer.
1
A data frame or remote frame is stored in the message buffer.
Содержание MuPD70F3187
Страница 6: ...6 Preface User s Manual U16580EE3V1UD00 ...
Страница 16: ...16 User s Manual U16580EE3V1UD00 ...
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Страница 32: ...32 User s Manual U16580EE3V1UD00 ...
Страница 84: ...84 Chapter 2 Pin Functions User s Manual U16580EE3V1UD00 MEMO ...
Страница 144: ...144 Chapter 3 CPU Functions User s Manual U16580EE3V1UD00 MEMO ...
Страница 192: ...192 Chapter 5 Memory Access Control Function μPD70F3187 only User s Manual U16580EE3V1UD00 MEMO ...
Страница 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO ...
Страница 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
Страница 969: ...969 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 MEMO ...
Страница 970: ...970 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 ...
Страница 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Страница 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
Страница 1006: ...1006 Chapter 24 Flash Memory User s Manual U16580EE3V1UD00 MEMO ...
Страница 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
Страница 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO ...
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