Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD Data Sheet
Product codes
AT32UC3A3-XPLD
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
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
-
-
-
-
-
-
-
-
7
6
5
4
3
2
1
0
-
-
CD
TOE
CRC
MSINT
DRQ
PEND