Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Data Sheet
Product codes
AT91SAM9M10-G45-EK
876
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
39.5.11
ISI Status Register
Name:
ISI_SR
Access:
Read
Reset Value:
0x00000000
• ENABLE (this bit is a status bit)
0: Module is enabled.
1: Module is disabled.
• DIS_DONE: Module Disable Request has Terminated
1: Disable request has completed. This flag is reset after a read operation.
• SRST: Module Software Reset Request has Terminated
1: Software reset request has completed. This flag is reset after a read operation.
• CDC_PND: Pending Codec Request (this bit is a status bit)
0: Indicates that no Codec request is pending.
1: Indicates that the request has been taken into account but cannot be serviced within the current frame. The operation is
postponed to the next frame.
postponed to the next frame.
• VSYNC: Vertical Synchronization
1: Indicates that a Vertical synchronization has been detected since the last read of the status register.
• PXFR_DONE: Preview DMA Transfer has Terminated.
When set to one, this bit indicates that the DATA transfer on the preview channel has completed. This flag is reset after a
read operation.
read operation.
• CXFR_DONE: Codec DMA Transfer has Terminated.
When set to one, this bit indicates that the DATA transfer on the codec channel has completed. This flag is reset after a
read operation.
read operation.
• SIP: Synchronization in Progress (this is a status bit)
When the status of the preview or codec DMA channel is modified, a minimum amount of time is required to perform the
clock domain synchronization. This bit is set when this operation occurs. No modification of the channel status is allowed
when this bit is set, to guarantee data integrity.
clock domain synchronization. This bit is set when this operation occurs. No modification of the channel status is allowed
when this bit is set, to guarantee data integrity.
• P_OVR: Preview Datapath Overflow
0: No overflow
31
30
29
28
27
26
25
24
–
–
–
–
FR_OVR
CRC_ERR
C_OVR
P_OVR
23
22
21
20
19
18
17
16
–
–
–
–
SIP
–
CXFR_DONE
PXFR_DONE
15
14
13
12
11
10
9
8
–
–
–
–
–
VSYNC
–
CDC_PND
7
6
5
4
3
2
1
0
–
–
–
–
–
SRST
DIS_DONE
ENABLE