Last Event Indicator Register (Leir) - Fujitsu F2MCTM-16LX Hardware Manual

CHAPTER 21 CAN CONTROLLER
21.4.5

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 0.
Last Event Indicator Register (LEIR)
Figure 21.4-4 Configuration of the Last Event Indicator Register (LEIR)
Address:
bit7 6
CAN1: 007D02
H
NTE TCE RCE
R/W R/W
R/W : Read/Write
X : Undefined
- : Unused
: Reset value
458
5 4 3 2 1 0
MBP3 MBP2 MBP1 MBP0
R/W - R/W R/W R/W R/W
LEIR1
Reset value
0 0 0 X 0 0 0 0
B
bit1
bit3 bit2
MBP3 MBP2 MBP1
0000 to 1111 (reset value: 0000
B B
bit5
Receive completion event bit
RCE
Read
0 The last event has not received,
1
The last event has received.
bit6
Transmit completion event bit
TCE
Read
0 The last event has not transferred,
The last event has transferred.
1
bit7
Node status transition event bit
NTE
Read
The last event has not node
0
status transferred,
The last event has node
1
status transferred,
bit0
MBP0 Message buffer pointer bits
) Message buffer 0 to 15
B
Write
Bit clear
No effect
Write
Bit clear
No effect
Write
Bit clear
No effect