Error count and status registers, Table 5-30. tx/rx error count, Table 5-31. tx\rx error count register definitions – Lantronix DSTni-EX User Manual

Page 78: Table 5-32. error status, Table 5-33. error status register definitions

Advertising
background image

70

Error Count and Status Registers

Table 5-30. Tx/Rx Error Count

BIT

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

OFFSET

40h

FIELD

RE7 RE6 RE5 RE4 RE3 RE2 RE1 RE0 TE7 TE6 TE5 TE4 TE3 TE2 TE1 TE0

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

Table 5-31. Tx\Rx Error Count Register Definitions

Bits

Field Name

Description

15:8 RE[7:0] Rx_er_cnt Bits

The receiver error counter according to the Bosch CAN specification. When
in bus off, this counter counts the idle states.

7:0

TE[7:0]

Tx_er_cnt Bits
The transmitter error counter according to the Bosch CAN specification.
When it is greater than 255 (dec), it is fixed at 255.

Table 5-32. Error Status

Table

5-33.

Error

Status Register Definitions

Bits

Field Name

Description

15:4 ///

Reserved

3

RX96

Rxgte96 or rx > 96
The receiver error counter is greater than or equal to 96 (dec).

2 TX96 Tx96 or tx > 96

The transmitter error counter is greater than or equal to 96 (dec).

1:0

ES[1:0]

ES1-0 Error_stat
Error state of the CAN node:
00 = error active (normal operation).
01 = error passive.
1x = bus off.

BIT

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

OFFSET

42h

FIELD

/// RX96 TX96

ES1

ES0

RESET

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

R/W

R R R R R R R R R R R R R R R R

Advertising