Can operating mode, Table 5-40. interrupt enable registers, Table 5-41. interrupt enable register definitions – Lantronix DSTni-EX User Manual

Page 82

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74

Bits

Field Name

Description

3 OVR_LOAD Overload Condition

int3n group (diagnostic interrupts)

1 = enable flag set.
0 = enable flag not set.

2

ARB_LOSS

Arbitration Loss

int3n group (diagnostic interrupts)

1 = enable flag set.
0 = enable flag not set.

1 ///

Reserved

0

INT_ENB

General Interrupt Enable
1 = enable flag set.
0 = enable flag not set.


CAN Operating Mode

The CAN modules can be used in different operating modes. By disabling transmitting data, it is
possible to us the CAN in listen only mode enabling features such as automatic bit rate
detection. The two modules can be used in an on-chip loop-back mode.

Table 5-40. Interrupt Enable Registers

Table 5-41. Interrupt Enable Register Definitions

Bits

Field Name

Description

15:3 ///

Reserved

2

LOOP_BACK

Internal Loopback Mode

1 = a-c Internal loopback.
0 = a-b; c-d (default)

1 PASSIVE

Active/Passive
Output is held at ‘ R’ level. The CAN module is only listening.
1 = CAN is passive.
0 = CAN is active.

0

RUN

Run Mode
1 = places the CAN controller in run mode. Reads ‘ 1’ when
running .
0 = places the CAN controller in stop mode. Reads ‘ 0’ when
stopped.

BIT

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

OFFSET

4Ah

FIELD

///

LO

O

P

_BACK

PASSIVE

RUN

RESET

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

R/W

R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W

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