Datasheet

884
32072H–AVR32–10/2012
AT32UC3A3
32.7.5 Interrupt Status register
Name :
ISR
Access Type : Read Only
Offset : 0x10
Reset Value : 0x00000000
•
CD : Card Detection.
0 : No card detected. This bit is cleared when the correponding bit in ISCR is set to 1.
1 : This bit is set to 1 when a Memory Stick card is inserted or removed.
•
TOE : Time Out Error.
0 : This bit is cleared to 0 when the corresponding bit in ISCR it set to 1.
1 : This bit is set to 1 when protol ended with time out error.
•
CRC : CRC error.
0 : No CRC error. This bit is cleared when the corresponding bit in ISCR is set to 1.
1 : This bit is set when protocol ends with CRC error.
•
MSINT : Memory Stick interruption.
0 : This bit is cleared to 0 when the corresponding bit in ISCR is set to 1.
1 : This bit is set to 1 when an interrupt request INT is received from Memory Stick.
•
DRQ : Data request, FIFO is full (reception) or empty (transmission).
0 : This bit is cleared to 0 when data access is no more required.
1 : This bit is set to 1 when data access is required (read or write).
•
PEND : Protocol End.
0 : This bit is cleared to 0 when the corresponding bit in ISCR is set to 1.
1 : This bit is set to 1 when protol ended witout error.
31 30 29 28 27 26 25 24
--------
23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
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76543210
- - CD TOE CRC MSINT DRQ PEND