Table of Contents
Advertisement
Address Register Name
0x67
IDE_DmaStat
IDE DMA Status Register
This register indicates the status of the DMA of the IDE interface.
Bit7::5 FIFOCnt[2:0]
This bit indicates the number of words in the FIFO.
Bit4::2 Reserved
Bit1 DmaPause
Indicates whether the DMA mode in execution is in pause status or not. It is enabled when the DmaRun bit is
"1".
DmaPause:1 DMA is in pause.
DmaPause:0 DMA is in execution.
Bit0 DmaRun
Indicates whether the DMA mode in execution is in execution or not. It is enabled when the DmaRun bit is "1".
DmaPause:1 DMA is in execution.
DmaPause:0 DMA is not in execution.
Bit Symbol
R/W
7: FIFOCnt[2]
R
6: FIFOCnt[1]
R
Indecate word count in FIFO
5: FIFOCnt[0]
R
4:
0:
3:
0:
2:
0:
1: DmaPause
R
0: IDE DMA not Pause 1: IDE DMA Pause
0: DmaRun
R
0: Not DMA
Description
1:
1:
1:
1: IDE DMA Running
EPSON
S1R72803F00A
H.Rst S.Rst B.Rst
0x00 0x00
–
83
Advertisement
Table of Contents
