Lantronix DSTni-EX - Manual (Page 81)

73
Interrupt Enable Registers
All interrupt sources are grouped into three groups (traffic, error and diagnostics interrupts). To
enable a particular interrupt, set its enable flag to ‘ 1’ .
Table 5-38. Interrupt Enable Registers
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OFFSET 48h
FIELD
RX_MSG TX_MSG TX_XMIT2 TX_XMIT1 TX_XMIT0 BUS_O
FF
CRC_ERR FORM_ERR ACK_ERR STUF_ERR BIT_ERR RX_OVR OVR_LOAD ARB_LO
SS
///
INT_ENB
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 5-39. Interrupt Enable Register Definitions
Bits Field Name Description
15 RX_MSG
Rx Message
− int1_n group (traffic interrupts)
1 = enable flag set.
0 = enable flag not set.
14 TX_MSG Tx Message
− int1_n group (traffic interrupts)
1 = enable flag set.
0 = enable flag not set.
13 TX_XMIT2 Tx Xmit 2
− int1_n group (traffic interrupts)
1 = enable flag set.
0 = enable flag not set.
12 TX_XMIT1
Tx Xmit 1
− int1_n group (traffic interrupts)
1 = enable flag set.
0 = enable flag not set.
11 TX_XMIT0
Tx Xmit 0
− int1_n group (traffic interrupts)
1 = enable flag set.
0 = enable flag not set.
10 BUS_OFF Bus Off State
− int2_n group (error interrupts)
1 = enable flag set.
0 = enable flag not set.
9 CRC_ERR CRC Error
− int2_n group (error interrupts)
1 = enable flag set.
0 = enable flag not set.
8 FORM_ERR
Format Error
− int2_n group (error interrupts)
1 = enable flag set.
0 = enable flag not set.
7 ACK_ERR
Acknowledgement Error
− int2_n group (error interrupts)
1 = enable flag set.
0 = enable flag not set.
6 STUF_ERR
Stuffing Error
− int2_n group (error interrupts)
1 = enable flag set.
0 = enable flag not set.
5 BIT_ERR Bit Error
− int2_n group (error interrupts)
1 = enable flag set.
0 = enable flag not set.
4 RX_OVR Receiver Overrun
− int1_n group (traffic interrupts)
1 = enable flag set.
0 = enable flag not set.