Altera cyclone V Technical Reference page 2148

18-58
grstctl
31 30
ahbidle dmare
q
RO 0x1
RO
0x0
15 14
Reserved
grstctl Fields
Bit
31
ahbidle
30
dmareq
Altera Corporation
29 28 27 26
13 12 11 10
Name
Mode:Host and Device. Indicates that the AHB
Master State Machine is in the IDLE condition.
0x0
0x1
Mode:Host and Device. Indicates that the DMA
request is in progress. Used for debug.
Value
0x0
0x1
Bit Fields
25 24 23 22
Reserved
9 8 7 6
txfnum
RW 0x0
Description
Value Description
Not Idle
AHB Master Idle
Description
No DMA request
DMA request is in progress
21 20 19 18
5 4 3 2
txffl rxffl Reser frmcn
sh sh ved trrst
RO RO RO
0x0 0x0 0x0
USB 2.0 OTG Controller
cv_5v4
2016.10.28
17 16
1 0
Reser csftrst
ved
RO 0x0
Access Reset
RO 0x1
RO 0x0
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