Controller Area Network
22.3.2.10 Error Warning Limit Register
ELWR is the Error Warning Limit Register. The ELWR Register defines the number of
errors after which an Error Warning Interrupt is generated, if enabled. The EWLR Register
can only be written to in Reset Mode. In Operating Mode, it is Read Only.
Changes made during Reset Mode take effect when the CAN Controller returns to
Operating Mode. The default value of this register after System Reset is 0110000 (i.e., 96).
BIT
FIELD
RESET
RW
BIT
FIELD
RESET
RW
ADDR
BIT
31:8
7:0
22-20
Table 22-23. EWLR Register
31
30
29
28
27
0
0
0
0
R
R
R
R
R
15
14
13
12
11
///
0
0
0
0
R
R
R
R
R
Table 22-24. EWLR Register Definitions
NAME
Reserved Writing to these bits has no effect. Reading returns 0.
///
Errors Before Interrupt Specifies the number of errors after which an
EWL.7 - EWL.0
error-warning interrupt should be generated.
LH75400/01/10/11 (Preliminary) User's Guide
26
25
24
23
///
0
0
0
0
0
R
R
R
R
10
9
8
7
0
0
0
0
0
R
R
R
R
0xFFFC5000 + 0x34
DESCRIPTION
6/17/03
22
21
20
19
18
0
0
0
0
0
R
R
R
R
R
6
5
4
3
2
1
1
0
0
0
R
R
R
R
R
17
16
0
0
R
R
1
0
0
0
R
R