Last Event Indicator Register (Leir) - Fujitsu MB90390 Series Hardware Manual

CHAPTER 23 CAN CONTROLLER
23.6.3

Last Event Indicator Register (LEIR)

This register indicates the last event.
The NTE, TCE, and RCE bits are exclusive. When the corresponding bit of the last event
is set to "1", other bits are set to 0s.
■ Last Event Indicator Register (LEIR)
Figure 23.6-4 Configuration of the Last Event Indicator Register (LEIR)
Address:
bit
CAN0: 003702
H
CAN1: 003902
H
CAN2: 003B02
H
CAN3: 003D02
H
CAN4: 003F02
H
R/W : Readable and writable
X : Undefined value
- : Undefined
: Initial value
474
7 6 5 4 3 2
-
R/W R/W R/W - R/W R/W
1 0
LEIR0, LEIR1, LEIR2, LEIR3, LEIR4
Initial value
0 0 0 X 0 0 0 0
R/W R/W
bit 3 bit 2
MBP3 MBP2
bit 5
RCE
0
1 receive completion
bit 6
TCE
0
1 transmit completion
bit 7
NTE
0
1 transition event
B
bit 1 bit 0
Message buffer
MBP1 MBP0
pointer bits
0 to 15 (initial value: "0000 ")
B
Receive completion event bit
read write
- clear bi t
ignored
Transmit completion event bit
read write
clear bit
-
ignored
Node status transition event bit
read write
clear bit
-
ignored