DS730 Datasheet, PDF (15/46 Pages) Xilinx, Inc – LogiCORE IP Video Direct

LogiCORE IP Video Direct Memory Access v1.1
Table 1: Video DMA pCore Memory Mapped Register Set (Cont’d)
Address (hex)
Register Name
Access Type
Description
Write Frame Repeat
This bit indicates that the Frame
14
Store Pointer or Start Address was
repeated based on Gen-Lock
synchronization. Write 1 to clear.
Write Frame Skip
This bit indicates that the Frame
13
Store Pointer or Start Address was
advanced by more than one Frame
Store based on Gen-Lock
synchronization. Write 1 to clear.
Write DMA Done
12
This bit indicates that the current
Frame has completed. Write 1 to
clear.
11
Reserved
10
Read FIFO Error
9
Read Cmd FIFO Error
Read Frame Count Interrupt
8
Indicates that the Frame count has
reached the frame count threshold.
Write 1 to clear.
Read Delay Count Interrupt
7
Indicates that the delay timeout
event has occurred. Write 1 to
clear.
Read Frame Repeat
This bit indicates that the Frame
6
Store Pointer or Start Address was
repeated based on Gen-Lock
synchronization. Write 1 to clear.
Read Frame Skip
This bit indicates that the Frame
5
Store Pointer or Start Address was
advanced by more than one Frame
Store based on Gen-Lock
synchronization. Write 1 to clear.
Read DMA Done
4
This bit indicates that the current
Frame has completed. Write 1 to
clear.
2:3
Reserved
Address Error Interrupt
Current Buffer Address is Not a
1
valid address. Valid Addresses are
between C_PI_BASEADDR and
C_PI_HIGHADDR. Write 1 to
clear.
DS730 September 21, 2010
www.xilinx.com
15
Product Specification