User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 314 of 909 2019 Ambiq Micro, Inc.
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8.15.2.27CQFLAGS Register
Command Queue Flag Register
OFFSET: 0x000002A0
INSTANCE 0 ADDRESS: 0x500042A0
INSTANCE 1 ADDRESS: 0x500052A0
INSTANCE 2 ADDRESS: 0x500062A0
INSTANCE 3 ADDRESS: 0x500072A0
INSTANCE 4 ADDRESS: 0x500082A0
INSTANCE 5 ADDRESS: 0x500092A0
Command Queue Flag Register
Table 446: CQSTAT Register
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
RSVD
CQERR
CQPAUSED
CQTIP
Table 447: CQSTAT Register Bits
Bit Name Reset RW Description
31:3 RSVD 0x0 RO
RESERVED.
2CQERR 0x0RW
Command queue processing Error. This active high bit signals that an error
was encountered during the CQ operation.
1 CQPAUSED 0x0 RO
Command queue operation is currently paused.
0CQTIP 0x0RO
Command queue Transfer In Progress indicator. 1 will indicate that a CQ
transfer is active and this will remain active even when paused waiting for
external event.
Table 448: CQFLAGS Register
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
CQIRQMASK CQFLAGS