Texas Instruments TMS320TCI648x 用户手册
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SRIO Registers
Table 84. Interrupt Status Decode Register (INTDSTn_DECODE) Field Descriptions (continued)
Bit
Field
Value
Description
7
ISD7
0
No interrupt request routed to this bit.
1
Interrupt request detected. Possible interrupt sources:
•
Doorbell 0, bit 7 (bit 7 of DOORBELL0_ICSR)
•
Doorbell 1, bit 7 (bit 7 of DOORBELL1_ICSR)
•
Doorbell 2, bit 7 (bit 7 of DOORBELL2_ICSR)
•
Doorbell 3, bit 7 (bit 7 of DOORBELL3_ICSR)
6
ISD6
0
No interrupt request routed to this bit.
1
Interrupt request detected. Possible interrupt sources:
•
Doorbell 0, bit 6 (bit 6 of DOORBELL0_ICSR)
•
Doorbell 1, bit 6 (bit 6 of DOORBELL1_ICSR)
•
Doorbell 2, bit 6 (bit 6 of DOORBELL2_ICSR)
•
Doorbell 3, bit 6 (bit 6 of DOORBELL3_ICSR)
5
ISD5
0
No interrupt request routed to this bit.
1
Interrupt request detected. Possible interrupt sources:
•
Doorbell 0, bit 5 (bit 5 of DOORBELL0_ICSR)
•
Doorbell 1, bit 5 (bit 5 of DOORBELL1_ICSR)
•
Doorbell 2, bit 5 (bit 5 of DOORBELL2_ICSR)
•
Doorbell 3, bit 5 (bit 5 of DOORBELL3_ICSR)
4
ISD4
0
No interrupt request routed to this bit.
1
Interrupt request detected. Possible interrupt sources:
•
Doorbell 0, bit 4 (bit 4 of DOORBELL0_ICSR)
•
Doorbell 1, bit 4 (bit 4 of DOORBELL1_ICSR)
•
Doorbell 2, bit 4 (bit 4 of DOORBELL2_ICSR)
•
Doorbell 3, bit 4 (bit 4 of DOORBELL3_ICSR)
3
ISD3
0
No interrupt request routed to this bit.
1
Interrupt request detected. Possible interrupt sources:
•
Doorbell 0, bit 3 (bit 3 of DOORBELL0_ICSR)
•
Doorbell 1, bit 3 (bit 3 of DOORBELL1_ICSR)
•
Doorbell 2, bit 3 (bit 3 of DOORBELL2_ICSR)
•
Doorbell 3, bit 3 (bit 3 of DOORBELL3_ICSR)
2
ISD2
0
No interrupt request routed to this bit.
1
Interrupt request detected. Possible interrupt sources:
•
Doorbell 0, bit 2 (bit 2 of DOORBELL0_ICSR)
•
Doorbell 1, bit 2 (bit 2 of DOORBELL1_ICSR)
•
Doorbell 2, bit 2 (bit 2 of DOORBELL2_ICSR)
•
Doorbell 3, bit 2 (bit 2 of DOORBELL3_ICSR)
1
ISD1
0
No interrupt request routed to this bit.
1
Interrupt request detected. Possible interrupt sources:
•
Doorbell 0, bit 1 (bit 1 of DOORBELL0_ICSR)
•
Doorbell 1, bit 1 (bit 1 of DOORBELL1_ICSR)
•
Doorbell 2, bit 1 (bit 1 of DOORBELL2_ICSR)
•
Doorbell 3, bit 1 (bit 1 of DOORBELL3_ICSR)
0
ISD0
0
No interrupt request routed to this bit.
1
Interrupt request detected. Possible interrupt sources:
•
Doorbell 0, bit 0 (bit 0 of DOORBELL0_ICSR)
•
Doorbell 1, bit 0 (bit 0 of DOORBELL1_ICSR)
•
Doorbell 2, bit 0 (bit 0 of DOORBELL2_ICSR)
•
Doorbell 3, bit 0 (bit 0 of DOORBELL3_ICSR)
SPRUE13A – September 2006
Serial RapidIO (SRIO)
153