
631
Chapter 16
FCAN Controller
User’s Manual U16702EE3V2UD00
Figure 16-51:
Receive History List
Last in-
massage
pointer
(LIPT)
Receive
history list
get pointer
(RGPT)
- Message buffer 6, 9, 2, and 7
are read by host processor.
- Newly received messages
are stored in message buffer
3, 4, and 8.
Event:
Receive
history list
get pointer
(RGPT)
Last in-
massage
pointer
(LIPT)
- 20 other massages are received.
Message buffer 6 carries last received message.
- Upon reception in message buffer 6, RHL is full.
- ROVF bit is set to 1.
Event:
Last in-
massage
pointer
(LIPT)
Last in-
massage
pointer
(LIPT)
Receive
history list
get pointer
(RGPT)
Receive
history list
get pointer
(RGPT)
Receive history list (RHL)
Message buffer 6
Message buffer 9
Message buffer 2
Message buffer 7
0
1
2
3
4
5
6
7
22
23
:
:
:
Receive history list (RHL)
Message buffer 3
Message buffer 4
Message buffer 8
0
1
2
3
4
5
6
7
22
23
:
:
:
Receive history list (RHL)
Message buffer 10
Message buffer 11
Message buffer 6
Message buffer 3
Message buffer 4
Message buffer 8
Message buffer 5
Message buffer9
Message buffer1
0
1
2
3
4
5
6
7
22
23
:
:
:
- Reception in message buffer13, 14,
and 15 occurs.
- Overflow situation occurs.
Event:
Receive history list (RHL)
Message buffer 10
Message buffer 11
Message buffer 15
Message buffer 3
Message buffer 4
Message buffer 8
Message buffer 5
Message buffer 9
Message buffer 1
0
1
2
3
4
5
6
7
22
23
:
:
:
ROVF bit = 1
LIPT is blocked
ROVF bit = 1
LIPT is blocked
ROVF bit = 1 denotes that LIPT equals RGPT - 1 while message buffer number stored to element indicated by LIPT - 1.
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